About Suntex. Online Measurement and Control. Portable and Laboratory Instruments. ISO 9001: 2000 Certificated since 2001

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About Suntex Suntex Instruments Company Ltd., established in 1982, has gained prestige and trust from our customers for dedication of providing professional, high-quality water analysis products and first-rate customer service. Online Measurement and Control Through 30 years experience and innovation, Suntex has launched its fifth generation of ph transmitter PC-3110, we called it intelligent transmitter, in 2010. The new intelligent transmitter series includes ph/orp, Conductivity/Resistivity, and Dissolved Oxygen models which are the most important parameters in the process controlling. The intelligent transmitter features for 1/4 DIN housing with IP65 protection, graphical menu, last calibration and overview of setting at a glance, and auto-sense backlight display, etc. There are also RS-485 Modbus models and PID controlling models to satisfy various demands. All of them are the proof of our continuous research and development to make the online measurement and controlling easier and more reliable. 30 Years Quality Solution & Service Portable and Laboratory Instruments The accuracy and reliability of the Suntex portable and Laboratory instruments is guaranteed by the online measurement experience. Suntex provides a variety of ph/orp, Conductivity/Resistivity/TDS/ Salinity portable and benchtop meters to universities, research centers, environment inspection labs, and applications of various industries. There are also Colony Counter, COD Thermoreactor, Hotplate & Stirrer, and Automatic Waterstill for most of general laboratories usage. ISO 9001: 2000 Certificated since 2001 Suntex has been certificated by TUV Management Service GmbH, Germany since 2001 for Distribution of Instruments & Equipments and Development and Production of Meters & Transmitters. 2

Main Applications Wastewater PC-3100 Pure water EC-430/410 Industrial Process PC-3110 Cooling water / Boiler water / Scrubber EC-4110 Application table for parameters of SUNTEX online transmitters ph/orp Cond/Res D.O. Cl2 Turb/S.S ION Wastewater Pure water Cooling water Boiler water Scrubber Surface water Drinking water Electronics Industry Chemical Industry Food & Beverage Industry Pharma Industry Fish farm Swimming Pool 3

ph/orp How to build a ph Measurement System G F C E D B A A Immersion system in open basin B Measurement in very variable water levels, or lakes with a float C Flow-through system D 1/2 & 3/4 pipe mounted system E 1 pipe mounted system F Side-entry system in vessel G Top-entry system in closed vessel There are four major elements to make a complete measurement system. 1. Transmitter: to translate the sensor s reading into a displayed measurement and transfer the data to the process control system 2. Sensor: directly mounted in the field to measure solutions 3.Cable: to transmit the signal between a sensor and a transmitter 4.Sensor Housing: to hold the sensor, protect the sensor in the measurement solutions, and to connect to the extension cable 7

SUNTEX Intelligent Transmitter PC-3110RS 7 Intelligent Value-Added Features Trace mode Set up from 3 mins to four weeks duration of the measured value trend graph to help you master the process history 1 Real-time chart mode 3 minutes real-time dynamic graph to help you realize recent development in control 2 RS-485 MODBUS protocol Provides long-distance, multiple values and configuration info transmission and anti-electrical signal protection 3 Events logbook Actions, current output out of range, power outages and error records, no need for standby and record them anymore 4 8

The all new intelligent transmitter's user-friendly interface and intelligent information design, making the RS model not just for RS-485 communication. It not only allows settings of RS-485 digital transmission easier, but also provides trace record map, real-time dynamic graphics display in the measurements mode; for calibration, it provides 5-point regression calculation calibration, product adjustment and user-tailored ph/temp. data table calibration mode. There is also a 50 events logbook for user to realize all the actions, current out of range, power outage, entries of setup & calibration menu, and error occurrences for users to master the whole situation. The new PC-3110RS makes the functional designs of intelligent transmitters to the extreme, to meet customers' requirement of ease of operation and the maximization of process safety, and will position Suntex transmitter in the leader of quality and innovation. 5 points calibration & regression calculation Accurate, wide-range calibration to improve your process safety 5 Product adjustment Measured value can be adjusted to the same as lab sample value to eliminate error concerns 6 ph/temp. Define cal. mode Accept all kinds of standard buffers, self-built 5 ph/temp. data table, and directly auto calibration with user-tailored buffer settings 7 9

Applications: Industrial Process Chemical Process Water & Wastewater Treatment Biochemistry Scrubber Recycling Environmental protection Features: 96 x 96mm Intelligent ph/orp Transmitter Waterproof and dustproof design Solution-ground design eliminating interference of ground potential Large LCM with auto-sense backlight and contrast setting function User-friendly operation with text and graphic illustration, clear signs and easy to understand Multi-Cal calibration, Tech. and NIST buffer automatic recognition Max. 3-point calibration and the calibration line calculated by linear regression, the last calibration data displayable With password and multi-key design-security protection enhancement Automatic temperature compensation, NTC30K or PT 1000 selectable Two sets of isolated current output at DC 0/4~20mA, max. load 500Ω Hi/Lo, Hi/Hi, Lo/Lo selectable two limited contact outputs with programmable set-points and hysteresis Gradually continuous sample measurements average function to enhance stability Automatic sensor clean function with programmable time interval LED indicated alarm or washing status signal IP 65 (NEMA 4X) CE approved PC-3110RS / PC-3110RS-P Only: Measuring value can be selected for figure or chart display Trace mode can display historical measured value curve from 3-minute to 4-week program Equipped with logbook function Max. 5-point calibration, with customer definition buffer setting and calibration curve, which can be displayed Equipped with one analog output and RS-485 interface Field correction function Product adjustment function for field correction 10 PC-3110-P / PC-3110RS-P Only: Equipped with PID control function to maximize the stability of process

PC-3110/PC-3110RS Specifications: PC-3110 PC-3110-P PC-3110RS PC-3110RS-P Measuring modes Ranges Resolution ph ORP Temp. ph ORP Temp. ph Accuracy ORP Temp. Repeatability Temperature compensation Ambient Temperature Input Impedance Display Analog output 1 ph/orp/temp. -2.00~16.00 ph -1999~1999 mv -30.0~130.0 0.01 ph 1 mv 0.1 ± 0.01 ph ± 1 digit ± 0.1% ±1 digit ± 0.2 ±1 digit ±0.05pH Automatic with NTC 30KΩ or PT-1000 Manual adjustment 0~50 >10 12 Ω Large LCM with auto-sense backlight and contrast function Text mode Text, Chart or Trace mode Isolated DC 0/4~20mA corresponding to ph/orp, max. load 500Ω Analog output 2 Isolated DC 0/4~20mA corresponding to Temp., max. load 500Ω - Serial Interface - RS-485(MODBUS RTU or ASCII) Logbook - 50 data records Calibration mode Setting Activate Any, Tech & NIST, Three Points 240VAC, 0.5A max. (recommend) Any, Tech, NIST & Custom definition buffer setting table, Five Points Hi/Lo, Hi/Hi, Lo/Lo selectable two limited programmable, ON/OFF - *PID Control - *PID Control Wash 240VAC, 0.5A max. (recommend) Time ON:0~99min.59sec. OFF:0~999 hours59min. Voltage output DC ± 12V, 1W max. Power Supply 100~240VAC±10%, 9W max., 50/60 Hz Installation Wall or pipe or panel mounting Dimensions 96 mm x 96 mm x 132 mm (H x W x D), 1/4 DIN Cut off Dimensions 93 mm x 93 mm (H x W) Weight 0.5 kg Protection IP 65 (NEMA 4X) *PID Control Function: P, PI, PD, PID control *PID Control Output: Pulse Length, Pulse Frequency, Analogout What s included? 2 Panel Mounting clips, ph 4, ph 7 buffer solutions, Plastic L shaped electrode holder support, Precision driver for wiring Optional Accessories: 114.7 1. ph electrode 2. ORP electrode 112 3. PT-1000 ATC probe 4. NTC 30KΩ ATC probe 5. Field indication transmitter 6. ph buffer solutions 7. ORP buffer solutions 8. Cleaning solutions 9. Junction box 10. Flow-through chamber 11. Immersion electrode holder 1M, 2M and 3M 12. Industrial electrode protection housing/fitting 13. Extension cable 14. Sensor cleaning kit 85.6 15. Sun shield 26 26 16. Stainless holder support base 98 125 98 11

Applications: RO System Cooling water Industrial process Features: Pure water Boiler water Water treatment 2-Electrode 96 x 96mm Intelligent conductivity/resistivity transmitter Waterproof and dustproof design Compatible with conductivity or resistivity measurement 4-Electrode Compatible with 2- or 4-electrode conductivity cell User-friendly operation with text and graphic illustrations, clear signs and easy to understand Large LCM with auto-sense backlight and contrast setting function With password and multi-key design-security protection enhancement Automatic temperature compensation with NTC30K or PT1000 Temperature coefficient compensation by non-linear or linear Two sets of isolated current output at DC 0/4~20mA, max. load 500Ω Hi/Lo, Hi/Hi, Lo/Lo selectable two limited contact outputs with programmable set-points and hysteresis Gradually continuous sample measurements average function to enhance stability Automatic sensor clean function with programmable time interval LED indicated alarm or washing status signal IP 65 (NEMA 4X) EC-4110RS only: Measuring value can be selected for figure or chart display Trace mode can display historical measured value curve from 3-minute to 4-week program Equipped with logbook function Equipped with one analog output and RS-485 interface 12

EC-4110/EC-4110RS Specifications: Range Resolution EC-4110 EC-4110RS Measuring modes Conductivity/Resistivity Conductivity 0.00 us/cm~200.0 ms/cm in 5 ranges; Auto or Fixed Resistivity 0.00~20.00 MΩ cm Temp. -30.0~130.0 Conductivity 0.01 / 0.1 / 1 μs/cm 0.01 / 0.1 ms/cm Resistivity 0.01 MΩ cm Temp. 0.1 Conductivity ± 1% (± 1 digit) Accuracy Resistivity ± 1% (± 1 digit) Temp. ± 0.2 (± 1 digit) Cell constant 0.01 0.05 0.1 0.5 10.0 cm -1 fixed, freely selectable 0.0080~19.99 cm -1 Calibration Temperature compensation Automatic with three kinds of built-in standard solutions Manual cell-constant adjustment Automatic with NTC 30K / PT 1000 or manual adjustment Temperature coefficient Linear compensation at 0.00%~40.00% Non-linear compensation for natural water Ambient temperature 0~50 Storage temperature -10~70 Setting Display Analog output 1 Large LCM with auto-sense backlight and contrast function Text mode Text, Chart or Trace mode Isolated DC 0/4~20mA corresponding to measuring range, max. 500Ω Analog output 2 Isolated DC 0/4~20mA corresponding to temperature, max. 500Ω - Serial interface - RS-485 (MODBUS RTU or ASCII) Logbook - 50 data records Activate 240VAC, 0.5A max. (recommend) Hi/Lo, Hi/Hi, Lo/Lo selectable two limited programmable, ON/OFF Wash 240VAC, 0.5A max. (recommend) Activate ON:0~99 min. 59 sec. OFF:0~999 hours 59 min. Power supply 100~240VAC ± 10%, 5W max., 50/60 Hz Installation Wall or pipe or panel mounting Dimensions 96 mm x 96 mm x 132 mm (H x W x D), 1/4 DIN Cut out dimensions 93 mm x 93 mm (H x W) Weight 0.5 Kg Protection IP 65 (NEMA 4X) What s included? 2 Panel Mounting clips, Precision driver for wiring Optional accessories: 1. 2-electrode conductivity cell 2. 4-electrode conductivity cell 3. Resistivity cell, 0.01/0.05/0.1 4. Specific cable 5M, 10M, 20M, 30M or other length upon request 5. Standard solution, 84/1413us and 12.88ms 6. Flow through tees 7. Flow chamber 8. Sun shield 9. Immersion sensor holder 1M, 2M, and 3M 10. L shaped sensor holder support base 125 98 114.7 1 132 26 98 26 26.5 13

Applications: Water and wastewater treatment Fermentation Industrial Process Environment Features: 96 x 96mm Intelligent D.O. transmitter Waterproof and dustproof design Compatible with WTW TriOxmatic D.O. sensors or Mettler Toledo InPro D.O. sensors Measuring unit: %, ppm, mg/l Salinity correction & Atmospheric pressure correction User-friendly operation with text and graphic illustration, clear signs and easy to understand Large LCM display with auto-sense backlight and contrast setting function Sensor slope performance display Sensor self diagnosis for TriOxmatic 700 D.O. sensor Simultaneous display of measurement value and temperature Automatic temperature compensation Two sets of isolated current output DC 0/4~20mA, Max.500Ω Hi/Lo, Hi/Hi, Lo/Lo selectable two limited contact outputs with programmable set-points and hysteresis Gradually continuous sample measurements average function to enhance stability With password and multi-key design-security protection enhancement Automatic sensor clean function with programmable time interval LED indicated alarm or washing status signal IP 65 (NEMA 4X) WTW D.O. sensor Mettler Toledo D.O. sensor DC-5110RS only: Measuring value can be selected for figure or chart display Trace mode can display historical measured value curve from 3-minute to 4-week program Equipped with logbook function Equipped with one analog output and RS-485 interface 14

DC-5110/DC-5110RS Specifications: DC-5110 DC-5110RS Measuring mode Measuring range Resolution % / ppm / mg/l / TEMP. % 0 ~ 600% (Depends on the sensor) mg/l 0~60.00 mg/l (Depends on the sensor) ppm 0~60.00 ppm (Depends on the sensor) Temp. 0~140 C (Depends on the sensor) % 0.1 % mg/l 0.01 mg/l / 0.001 mg/l ppm 0.01 ppm / 0.001 ppm Temp. 0.1 % mg/l Accuracy ppm Temp. Temperature Compensation Salinity correction Pressure correction Ambient temperature Storage temperature Display Analog output 1 ±0.5%±1Digit ±0.2 C±1Digit with temperature error correction function NTC 30K or NTC 22K automatic compensation or manual adjustment 0.0 ~ 45.0 ppt 0.500 ~ 2.500 bar / 7.25 ~ 36.25 psi / 500~2500 mmhg manual adjustment 0~50 C -10~70 C Large LCM with auto-sense backlight sensor for auto contrast function Text mode Text, Chart or Trace mode Isolated DC 0/4~20mA corresponding to measurement, max. load 500Ω Analog output 2 Isolated DC 0/4~20mA corresponding to temperature, max. load 500Ω - Serial interface - RS-485 (MODBUS RTU or ASCII) Logbook - 50 event records Setting 240VAC, 0.5A Max. (recommend) Activate Hi/Lo, Hi/Hi, Lo/Lo selectable two limited programmable, ON/OFF Wash 240VAC, 0.5A Max. (recommend) Time ON:0~99min. 59 sec. OFF:0~999 hours 59 min. Voltage output DC±8V Max. 0.5W Power supply 100V~240VAC ±10%~50/60Hz, 5W max. Installation Wall or Pipe or Panel mounting Dimensions 96 mm 96 mm 132 mm (H W D), 1/4 DIN Cut out dimensions 93 mm 93 mm (H W) Weight 0.5Kg Protection IP 65 (NEMA 4X) What s included? 2 Panel Mounting clips, Plastic L shaped electrode holder support, Precision driver for wiring Optional accessories: 1. D.O. sensor 2. Membrane kit 3. Electrolyte 4. Cleaning solution 5. Immersive protection holder 1M, 2M and 3M 6. Junction box 7. Extension cable 8. Auto clean kit 9. Stainless holder support base 112 132 85.6 1 26.5 15

ph/orp PC-3100 ph/orp Transmitter Robust protection and precise integration The PC-3100 series ph/orp transmitter has rugged IP 65 enclosure and can be wall, panel, pipe mounted for installation in almost any industrial application. The PC-3100RS offers RS-485 interface to support digital communication to your PLC. The transmitters inherit our reliable technology which features in accurate, robust, and easy to use functions. Applications: Water treatment Chemical process Biochemical process Wastewater treatment Electrical process Food and beverage process Features: ph, ORP, Temperature measurement IP 65 waterproof and dustproof design Back-lit LCD with ON/OFF/Auto programmable illumination Two sets of isolated current output DC 0/4~20mA corresponding to measurement and temperature Two Hi/Lo Limited contact outputs; Set points with programmable hysteresis function Automatic temperature compensation Gradually continuous sample measurements average function to enhance stability Wash function with programmable time-interval control LED indication alarm or wash status signal Password protection PC-3100RS with one analog output and one RS-485 interface PC-3100 PC-3100RS ph Measuring ORP range Temperature Temperature Compensation Input impedance Display Analog output 1-2.00 ~ 16.00 ph, ±0.01 (± 1Digit) -1999 ~ 1999 mv, ±1mV (± 1Digit) -30.0~130.0 C, ±0.2 C (± 1Digit) Automatic with PT-1000 or NTC 30K or manual adjustment 10 12 Ω Back-lit LCD display with auto-sense on/off/auto illumination Isolated DC 0/4~20 ma corresponding to measurement, max load 500Ω Analog output 2 Isolated DC 0/4~20 ma corresponding to temperature, max load 500Ω - Serial interface - RS-485 (MODBUS RTU or ASCII) Calibration mode Any, Tech & NIST buffer, Two points Any, Tech & NIST buffer,three points Setting Activate 240 VAC, 0.5A max. (recommend) Hi/Lo two limited programmable relay outputs, ON/OFF Wash 240 VAC, 0.5A max. (recommend) Time ON: 0~9999 sec. / OFF: 0~999.9 hours Ambient temperature 0 ~ 50 C Storage temperature -20 ~ 70 C Voltage output DC ±12V Power Supply 100V~240VAC±10% 50/60Hz Installation Wall mounting, Pipe mounting, Panel mounting Dimensions 144 mm x 144mm x 115 mm (H x W x D), 1/2 DIN Cut off dimensions 138 mm x 138 mm (H x W) Weight 0.8 kg Protection IP 65 (NEMA 4X) What s included? 4 Panel mounting clips, ph4, ph7 buffer solutions, Plastic L shaped electrode holder support base 16

Conductivity EC-4300 Conductivity Transmitter Perfect integration with salinity measurement The EC-4300 series conductivity transmitter has rugged IP 65 enclosure and can be wall, panel, pipe mounted for installation in almost any industrial application. The EC-4300RS offers RS- 485 interface to support digital communication to your PLC. The transmitters inherit our reliable technology which features in accurate, robust, and easy to use functions. Applications: RO System Cooling Water Industrial Process Boiler Feed Water Ultra Pure Water System Water Treatment Features: Conductivity, Resistivity, Salinity, Temperature measurement IP 65 waterproof and dustproof design Back-lit LCD with ON/OFF/Auto programmable illumination Two set of isolated current output DC 0/4~20mA corresponding to measurement and temperature Hi/Lo Limited contact output; Set point and hysteresis programmable Automatic temperature compensation Gradually continuous sample measurements average function to enhance stability Wash function with programmable time-interval control LED indication alarm or wash status signal Password protection EC-4300RS with one analog output and one RS-485 interface EC-4300 EC-4300RS Conductivity 0.000μS/cm~200.0 ms/cm in 6 ranges / Auto, ±1% (± 1Digit) Measuring Resistivity 0.00~20.00MΩ cm, ±1% (± 1Digit) range Salinity 0.0~70.0 ppt, ±1% (± 1Digit) Temperature -30.0~130.0 C, ±2 C (± 1Digit) Cell constant 0.01, 0.1, 0.5, 10.00 cm -1 fixed, freely selectable 0.0010~19.99cm -1 Temperature Compensation Automatic with PT-1000 or NTC 30K or manual adjustment Temperature coefficient Linear compensation from 0.00~20.00% Non-Linear Compensation for natural water Display Back-lit LCD display with auto-sense on/off/auto illumination Analog output 1 Isolated DC 0/4~20 ma corresponding to measurement, max load 500Ω Analog output 2 Isolated DC 0/4~20 ma corresponding to temperature, max load 500Ω - Serial interface - RS-485(MODBUS RTU or ASCII) Setting Activate 240 VAC, 0.5A max. (recommend) Hi/Lo two limited programmable relay outputs, ON/OFF Wash 240 VAC, 0.5A max. (recommend) Time ON: 0~9999 sec. / OFF: 0~999.9 hours Ambient temperature 0 ~ 50 C Storage temperature -20 ~ 70 C Power Supply 100 ~ 240 VAC ±10%, 50~60 Hz Installation Wall mounting, Pipe mounting, Panel mounting Dimensions 144mm x 144mm x 115 mm (H x W x D), 1/2 DIN Cut off dimensions 138mm x 138 mm (H x W) Weight 0.8 kg Protection IP 65 (NEMA 4X) What s included? 4 Panel mounting clips 17

Dissolved Oxygen DC-5300 D.O. Transmitter Precise calculation in various applications The DC-5300 D.O. transmitter has rugged IP 65 enclosure and can be wall, panel, and pipe mounted for installation in mainly wastewater, fish farm, environment and fermentation applications. Its excellent signal processor and precise salinity and pressure compensation make DC- 5300 the extremely powerful instruments you can trust. Applications: Wastewater treatment Fish Cultivation Environment Fermentation Features: Concentration and saturation of dissolved oxygen measurement Measurement unit: ppm, mg/l, %, C Compatible with WTW TriOxmatic 690 & 700, and Mettler Toledo InPro 6050 & 6800 sensors Back-lit LCD with ON/OFF/Auto programmable illumination Two sets of isolated current output DC 0/4~20mA corresponding to measurement and temperature Two Hi/Lo Limited contact outputs; Set points with programmable hysteresis function Salinity correction & atmospheric pressure correction Gradually continuous sample measurements average function to enhance stability Wash function with programmable time-interval control Display of the last calibration time and sensor slope Password protection DC-5300RS with one analog output and one RS-485 interface 18 DC-5300 DC-5300RS 0.0 ~ 600.0%, (Depends on the sensor) % ±0.5% of reading(± 1Digit) Measuring 0.00~60.00 ppm, (Depends on the sensor) range ppm ±0.5% of reading(± 1Digit) & 0.00~60.00 mg/l, (Depends on the sensor) Accuracy mg/l ±0.5% of reading(± 1Digit) Temperature 0.0~140.0 C, (Depends on the sensor), ±0.2 C (± 1Digit) Temperature Compensation 0~50 C NTC 30K or NTC 22K automatic compensation 0~50 C manual adjustment Salinity correction 0.0 ~ 45.0 ppt Pressure correction 0.500 ~ 2.500 bar or 7.25 ~ 36.25 psi manual adjustment Display Back-lit LCD display with auto-sense on/off/auto illumination Calibration mode One point or two points calibration Analog output 1 Isolated DC 0/4~20 ma corresponding to measurement, max load 500Ω Analog output 2 Isolated DC 0/4~20 ma corresponding to temperature, max load 500Ω - Serial interface - RS-485(MODBUS RTU or ASCII) Setting 240 VAC, 0.5A max. (recommended) Activate Hi/Lo two limited programmable relay outputs, ON/OFF Wash 240 VAC, 0.5A max. (recommended) Time ON: 0~9999 sec. / OFF: 0~999.9 hours Ambient temperature 0 ~ 50 C Storage temperature -20 ~ 70 C Voltage output DC ±8V, Max 0.5W Power Supply 100 ~ 240 VAC±10%, 50~60 Hz Installation Wall mounting, Pipe mounting, Panel mounting Dimensions 144 mm x 144mm x 115 mm (H x W x D), 1/2 DIN Cut off dimensions 138 mm x 138 mm (H x W) Weight 0.8 kg Protection IP 65 (NEMA 4X) What s included? 4 panel mounting clips, Plastic L-shaped electrode holder support base

Chlorine/Ozone CT-6300 Chlorine/Ozone Transmitter Extremely powerful and valuable The CT-6300 transmitter has rugged IP 65 enclosure and can be wall, panel, pipe mounted in almost any industrial application. When compatible with residual chlorine electrodes or ozone electrode, the complete system is extremely powerful of detecting the free chlorine or ozone in drinking water, swimming pool applications. The transmitter inherits our reliable technology which features in accurate, robust, and easy to use functions. Applications: Swimming pool Drinking water Industrial process Water treatment Features: Sensor type: Both two-wire and four-wire compatible Automatic function: auto cal, self-test, and error code indication IP 65 waterproof and dustproof design Back-lit LCD with ON/OFF/Auto programmable illumination Two sets of isolated current output DC 0/4~20mA corresponding to measurement and temperature Two Hi/Lo Limited contact outputs; Set points with programmable hysteresis function Automatic temperature compensation Gradually continuous sample measurements average function to enhance stability Wash function with programmable time-interval control LED indication alarm or wash status signal Display of the last calibration time and sensor slope Password protection CT-6300RS with one analog output and one RS-485 interface CT-6300 CT-6300RS Measuring mode Residual Chlorine / O 3 / Temperature Cl 2 0.00~100.00 ppm(mg/l) ±0.5%±1Digit, depends on sensor Measuring O 3 0.00~20.00 ppm(mg/l) ±0.5%±1Digit, depends on sensor range Temperature -10 ~ 110 C ±0.2 C Resolution 0.01ppm(mg/l), 0.1 C Temperature compensation Automatic with PT-1000 / NTC-30K or manual adjustment Display Back-lit LCD display with auto-sense on/off/auto illumination Analog output 1 Isolated DC 0/4~20 ma corresponding to measurement, max load 500Ω Analog output 2 Isolated DC 0/4~20 ma corresponding to temperature, max load 500Ω - Serial interface - RS-485(MODBUS RTU or ASCII) Setting 240 VAC, 0.5A max. (recommended) Activate Hi/Lo two limited programmable relay outputs, ON/OFF Wash 240 VAC, 0.5A max. (recommended) Time ON: 0~9999 sec. / OFF: 0~999.9 hours Ambient temperature 0~50 C Storage temperature -20~70 C Voltage output DC±8V Max. 0.5W Power Supply 100V ~ 240VAC±10%, 50/60Hz Installation Wall mounting, Pipe mounting, Panel mounting Dimensions 144 mm x 144mm x 115 mm (H x W x D), 1/2 DIN Cut off dimensions 138 mm x 138 mm (H x W) Weight 0.8 kg Protection IP 65 (NEMA 4X) What s included? 4 Panel mounting clips 19

Turbidity/SS TC-7100 Turbidity/SS Transmitter Robust protection and precise integration The TC-7100 series Turbidity / Suspended solids transmitter has rugged IP 65 enclosure and can be wall, panel, pipe mounted for installation in almost any industrial application. The TC-7100RS offers RS-485 interface to support digital communication to your PLC. The transmitters inherit our reliable technology which features in accurate, robust, and easy to use functions. Applications: Water treatment Surface water Wastewater treatment Industrial process Features: Turbidity, Suspended solids, and Temperature measurement 5 points calibration IP 65 waterproof and dustproof design Back-lit LCD with ON/OFF/Auto programmable illumination Isolated current output DC 0/4~20mA corresponding to measurement Two Hi/Lo Limited contact outputs ; Set points with programmable hysteresis function Gradually continuous sample measurements average function to enhance stability Wash function with programmable time-interval control LED indication alarm or wash status signal Password protection TC-7100 Measuring unit Turbidity: NTU, FTU, FNU Suspended solids: ppm, mg/l Measuring range Depends on sensors(0~100ntu, 0~500NTU, 0~3000NTU, 0~1000ppm) Resolution AUTO. (0.01/ 0.1/ 1) Signal average interval 0~60 sec. selectable / default 30 sec. Display Back-lit LCD display with auto-sense on/off/auto illumination Analog output Isolated DC 0/4~20 ma corresponding to measurement, max load 500Ω Setting Activate 240 VAC, 0.5A max. (recommended) Hi/Lo two limited programmable relay outputs, ON/OFF Wash 240 VAC, 0.5A max. (recommended) Time ON: 0~9999 sec. / OFF: 0~999.9 hours Ambient temperature 0 ~ 50 C Storage temperature -20 ~ 70 C Voltage output DC ±12V Power Supply 100V~240VAC±10%, 50/60Hz Installation Wall mounting, Pipe mounting, Panel mounting Dimensions 144 mm x 144mm x 115 mm (H x W x D), 1/2 DIN Cut off dimensions 138 mm x 138 mm (H x W) Weight 0.8 kg Protection IP 65 (NEMA 4X) What s included? 4 Panel mounting clips 20

Ion Selective IT-8100 ION Transmitter Proven performance for demanding field The IT-8100 Ion transmitter has rugged IP 65 enclosure and can be wall, panel, pipe mounted in almost any industrial application. When compatible with fluoride ion selective electrodes, the complete system is extremely powerful of detecting the F - ion in wastewater of semiconductor, solar panel, LCD industries. The transmitter inherits our reliable technology which features in accurate, robust, and easy to use functions. Applications: Wastewater treatment of semiconductor, solar panel, and LCD industries Features: ISE method of ion measurement provides excellent selectivity Automatic function: auto cal, self-test, and error code indication IP 65 waterproof and dustproof design Back-lit LCD with ON/OFF/Auto programmable illumination Two sets of isolated current output DC 0/4~20mA corresponding to measurement and temperature Two Hi/Lo Limited contact outputs; Set points with programmable hysteresis function Automatic temperature compensation Gradually continuous sample measurements average function to enhance stability Wash function with programmable time-interval control LED indication alarm or wash status signal Password protection IT-8100 Method Ion Selective electrode method Ion type X -- / X - / X + / X ++ Measuring unit mv / ppm / mg/l Concentration 0.00~20.00 / 0.0~200.0 / 0~2000 / 0~20000 / Auto range Measuring mv -2000.0 ~ 2000.0 ±0.01% range Temperature -10 ~ 110 C ±0.2 C Resolution (ppm) Auto (0.01 / 0.1 / 1) ppm Temperature compensation Automatic with PT-1000 / NTC-30K or manual adjustment Calibration mode Two or three points calibration, Offset calibration (13 range selectable) Display Back-lit LCD display with auto-sense on/off/auto illumination Analog output 1 Isolated DC 0/4~20 ma corresponding to measurement, max load 500Ω Analog output 2 Isolated DC 0/4~20 ma corresponding to temperature, max load 500Ω Setting 240 VAC, 0.5A max. (recommended) Activate Hi/Lo two limited programmable relay outputs, ON/OFF Wash 240 VAC, 0.5A max. (recommended) Time ON: 0~9999 sec. / OFF: 0~999.9 hours Ambient temperature 0~50 C Storage temperature -20~70 C Voltage output DC ±12V Power Supply 100V~240VAC±10%, 50/60Hz Installation Wall mounting, Pipe mounting, Panel mounting Dimensions 144 mm x 144mm x 115 mm (H x W x D), 1/2 DIN Cut off dimensions 138 mm x 138 mm (H x W) Weight 0.8 kg Protection IP 65 (NEMA 4X) What s included? 4 Panel mounting clips, Plastic L shaped electrode holder support base 21

Conductivity How to build a Conductivity Measurement System F B E C D A A Immersion system in open basin B Flow-through system C 1/2 pipe mounted system D 3/4 pipe mounted system E Side-entry system in vessel F Top-entry system in closed vessel There are four major elements to make a complete measurement system 1. Transmitter: to translate the sensor s reading into a displayed measurement and transfer the data to the process control system 2. Sensor: directly mounted in the field to measure solutions 3. Cable: to transmit the signal between a sensor and a transmitter 4. Sensor Connection: to install the sensor and connect to the system, and protect the sensor in the measurement solutions 22

Conductivity Illustration of Sensor Installation 2-Electrode Sensor 4-Electrode Sensor Correct Installation Less than 28 mm Less than 28 mm Flow Flow To avoid bubbles To avoid bubbles Incorrect Installation Insufficient immersion Insufficient immersion Flow Flow Insufficient immersion Insufficient immersion Flow Flow 23

ph/orp PC-100/PC-110 ph/orp Panel Meter Compact and Pragmatic The PC-100 & PC-110 ph/orp monitors utilize microprocessor technology to provide you enhanced capabilities with economical price. Furthermore, they can be used as a second meter for receiving mv, or ma signal from other transmitter and show with various of measurement units. The PC-100 features for sample monitoring and the PC-110 offers one relay output to sufficiently activate your process system. Applications: Water treatment Pure water System Clean room Wastewater treatment Scrubber Electronics process Features: 48 x 96 mm Microprocessor ph/orp Monitor & Controller As a second meter to receive mv, ma signal from other transmitter User-friendly operation Automatic temperature compensation Compatible with Pt-1000 and NTC 30K temperature probe Isolated current output DC 0/4~20mA Gradually continuous sample measurements average function to enhance stability PC-110 offers one relay contact output, one set point with programmable hysteresis function PC-100 PC-110 ph Measuring ORP Range Temperature & Accuracy mv ma Measurement unit on display Temperature Compensation Input impedance Display Analog output -2.00 ~ 16.00 ph, ±0.01pH (± 1Digit) -1999 ~ 1999 mv, ±0.1% (± 1Digit) -30.0~110 C, ±0.1 C -2000~+2000mV ±0.1%(±1Digit) 0.00~20.00mA ±0.1%(±1Digit) ph, μs/cm, ms/cm, MΩ cm, mg/l, ppm, C, F, %, mv, ma, None unit Automatic with PT-1000 or NTC 30K or manual adjustment 10 12 Ω LCD display Isolated DC 0/4~20 ma corresponding to measurement, max load 500Ω Setting - 240 VAC, 0.5A max. Activate - Hi/Lo one relay output Working temperature 0~50 C Storage environment -20~70 C Power Supply 100V~240VAC±10%, 50/60Hz Installation Panel mounting Dimensions 48 mm x 96mm x 110 mm (H x W x D), 1/8 DIN Cut off dimensions 44 mm x 92 mm (H x W) Weight 0.25 kg What s included? 2 Panel mounting clips 24

Conductivity EC-410/EC-430 Conductivity Monitor Compact and Pragmatic The EC-410 & EC-430 conductivity monitors utilize microprocessor technology to provide you enhanced capabilities with economical price. The compact design fits in small space installation. The EC-410 features for water quality monitoring and the EC-430 offers one relay output to sufficiently activate your process system. Applications: RO System Cooling Water Industrial Process Boiler Feed Water Pure Water System Water Treatment Features: 48 x 96 mm Microprocessor Water Quality Monitor & Controller Compatible with both Conductivity and resistivity measurement Compatible with 2-Electrode or 4-Electrode Sensors Automatic temperature compensation Compatible with Pt-1000 and NTC 30K temperature probe Linear and non-linear temperature coefficient Isolated current output DC 4~20mA Gradually continuous sample measurements average function to enhance stability EC-430 offers one relay contact output, one set point with programmable hysteresis function EC-410 EC-430 Measuring Conductivity 0.00μS/cm~200.0 ms/cm in 5 ranges, ±1% (± 1Digit) Range Resistivity 0.00~20.00MΩ cm, ±1% (± 1Digit) & Accuracy Temperature -10~110.0 C, ±0.5 C Cell constant 0.01, 0.05, 0.1, 0.5, 10.00 cm -1 fixed, freely selectable 0.008~19.99cm -1 Temperature Compensation Automatic with PT-1000 or NTC 30K or no compensation Temperature Conductivity coefficient Resistivity Display Analog output Non-Linear Compensation Linear compensation from 0.00~40.00% Non-Linear Compensation LCD display Isolated DC 4~20 ma corresponding to measurement, max load 500Ω Setting - 240 VAC, 0.5A max. Activate - Hi/Lo one relay output Ambient temperature 0 ~ 50 C Storage temperature -20 ~ 70 C Power Supply 100V~240VAC±10%, 50/60Hz Installation Panel mounting Dimensions 48 mm x 96mm x 110 mm (H x W x D), 1/8 DIN Cut off dimensions 44 mm x 92 mm (H x W) Weight 0.25 kg What s included? 2 Panel mounting clips 25

Accessories ph/orp Transmitter Accessories PH-300T Accessional ph / ORP Transmitter The PH-300T accessional ph/orp transmitter is designed for signal conversion when distance from sensor to original transmitter is over than 30m, or when environment is interfered by electromagnetic and so on. 26 Sensor Protection Holders 8-26 +PP-100A 8-09-5 +PP-100A 8-09-5 + PP-100AN 8-09-5 + PP-100AP 8-09-5 + PP-100AE Protective Electrode Holder for ph/orp electrode, 1M Incl. Waterproof cap Protective Electrode Holder for ph/orp electrode, 1M Incl. Junction Box Protective Electrode Holder for ph/orp electrode with NTC 30K temperature probe, 1M, Incl. Junction Box Protective Electrode Holder for ph/orp electrode with PT-1000 temperature probe, 1M, Incl. Junction Box Protective Electrode Holder for ph/orp electrode with solution ground, 1M, Incl. Junction Box Extension cable for sensors RG-58 Extension cable for ph/orp sensor (per meter) F94009-BK Extension cable for ph/orp sensor with temperature probe or solution ground probe (per meter) Electrode housings 8-IF03 ph/orp sensor inline housing 8-TF03 ph/orp sensor bypass chamber Protection holder s accessories 00416-A Stainless L Shaped Electrode Holder Support Base( Stainless Support Base is designed for PP Electrode Holders which length is longer than 1 meter; or for PP Electrode Holders which are immersed in a running basin.) 8-CH-10 ph/orp sensor auto clean kit 8-SF01 Protection holder float for measurement in variable water levels or in lakes, etc. Standard buffers 8-03 Buffer solution, ph4.00, 500 ml 8-04 Buffer solution, ph7.00, 500 ml 8-23 Buffer solution, ph10.00, 500ml 8-05 3 mol/l KCl solution, 60ml 8-13 3 mol/l KCl solution, 500ml Simulator PS150 ph/mv signal simulator Sun shield 8-35 + 8-35-1 Sun Shield with Pipe Mounting kit 8-35 + 8-35-2 Sun Shield with Wall Mounting kit

Conductivity 8-24X Series Conductivity Sensor 4-Electrode Design The 8-24X series conductivity sensors apply the state of art 4-Electrode measurement principle to accurately measure medium to high conductivity solutions. Its modular cable and sensor design provides the most convenience of sensor re-installation. The 8-241-01 sensor is a HF resistant one, while the 8-242 sensor can stand higher temperature up to 120 C. Specifications 8-241 / 8-241-01(gray) 8-242(light yellow) 8-241 8-241-01 8-242 Type 4-electrode sensor 4-electrode sensor 4-electrode sensor Range (μs/cm) 1.00μs~200.0ms/cm 1.00μs~200.0ms/cm 1.00μs~200.0ms/cm Working Temp. 0~80 C 0~80 C 0~120 C Pressure range at 25 C (77 ) 0~7 bar 0~7 bar 0~7 bar Electrode Material Titanium, CPVC Monel, CPVC Titanium, PVDF Body Material CPVC CPVC PVDF HF Resistant electrode - Yes - Temperature Sensor NTC 30K NTC 30K NTC 30K Cell Constant 0.5 cm -1 0.5 cm -1 0.5 cm -1 Process Connection 3/4" NPT 3/4" NPT 3/4" NPT Insertion length 40 mm 40 mm 40 mm Max. length 120 mm 120 mm 120 mm Compatible, Cable length 5, 10, 20, 30m 5, 10, 20, 30m 5, 10, 20, 30m Accessory Sensor Connection 8-TF01 3/4 T-Connector Cable 8-105 8-110 8-120 8-130 Cable length 5 m 10 m 20 m 30 m T-Connector Ø22mm 0.87" 40mm 1.57" 120mm 4.72" 3/4" NPT 8-24X Series Cable 27

Conductivity 8-22X Series Resistivity Sensor 2-Electrode Design The 8-22X series resistivity sensors are designed for measuring very low conductivity solutions. With different cell constant, the 8-22X sensors provide different range of the ultra-pure/pure water measurement. Its modular cable and sensor design provides the most convenience of sensor re-installation. 8-22X Series Specifications 8-221 8-222 8-223 Type 2-electrode sensor 2-electrode sensor 2-electrode sensor Typical application Ultra-pure water Pure water R.O. system Range (μs/cm) (MΩ cm) 0.05μs~20.0μs/cm 0.00~20.0MΩ cm 0.05μs~100.0μs/cm 0.00~20.0MΩ cm 0.1μs~200.0μs/cm 0.00~10.0MΩ cm Working Temp. 0~80 C 0~80 C 0~80 C Pressure range at 25 C (77 ) 0~7 bar 0~7 bar 0~7 bar Electrode Material Titanium Titanium Titanium Body Material CPVC CPVC CPVC Temperature Sensor NTC 30K NTC 30K NTC 30K Cell Constant 0.01 cm -1 0.05 cm -1 0.1 cm -1 Process Connection 3/4" NPT 3/4" NPT 3/4" NPT Insertion length 63 mm 63 mm 48 mm Max. length 144 mm 144 mm 129 mm Compatible, Cable length 5, 10, 20, 30m 5, 10, 20, 30m 5, 10, 20, 30m T-Connector Bypass chamber Accessory Sensor Connection 8-TF01 8-TF02 3/4 T-Connector 3/4 NPT bypass chamber Cable 8-105 8-110 8-120 8-130 Cable length 5 m 10 m 20 m 30 m Cable 144mm 129mm 63mm 2.48" 48mm Ø17mm 0.67" Ø17mm 0.67" C = 0.1 3/4" NPT 3/4" NPT 8-221/ 8-222 8-223 CELL CONSTANT 28

Conductivity Fixed Cable Resistivity Sensor 8-11 Series Resistivity Cell The 8-11 Series resistivity cells feature in both economical and robust design. The cells are designed for measuring in very low conductivity solutions of resistivity measurement. 8-11 Series Specifications 8-11-3 8-11-4 Type 2-electrode sensor 2-electrode sensor Range(MΩ cm) 1.0~20.0MΩ cm 1.0~20.0MΩ cm Electrode Material SS 316L SS 316L Temperature Sensor NTC 30K NTC 30K Cell Constant 0.05 cm -1 0.05 cm -1 Process Connection 1/2" NPT 1/2" NPT Insertion length 90 mm 90 mm Cable length 10 m 20 m Accessory Sensor Connection 8-TF021 1/2 NPT bypass chamber Ø12.7mm 0.5" 1/2" NPT Bypass chamber 90mm 5.54" 150mm 5.91" 8-11 Series 29

Accessories D.O. Transmitter Accessories D.O. Sensor 690 D.O. Sensor, with 7m cable 620 Replacing membrane kit for D.O. Sensor (2pc) Sensor Protection Holder 8-26 + DO-100 8-09-5 + DO-100 Protective Electrode Holder for DO sensor, 1M, Incl. waterproof cap Protective Electrode Holder for DO sensor, 1M, Incl. Junction Box Protection holder s Accessory 8-26-7 Plastic L Shaped Electrode Holder Support Base 00416A Stainless L Shaped Electrode Holder Support Base (Designed for immersing in a running basin) 8-SF01 Protection holder float for measurement in variable water levels or in lakes, etc. 8-CH-20 D.O. sensor head auto clean kit Extension cable for sensor F94008-G Extension cable for 690 D.O. sensor (per meter) Sun shield 8-35 + 8-35-1 Sun Shield with Pipe Mounting kit 8-35 + 8-35-2 Sun Shield with Wall Mounting kit 8-09-5 + DO-100 690 D.O. Sensor 8-CH-20 D.O. auto-clean kit Residual Chlorine Transmitter Accessories Residual Chlorine Sensor 7207-9149584 Residual Chlorine Sensor, (4P, 0-20ppm, operating range ph5.5~8.0) 7207-818470.7 Cable for Residual Chlorine Sensor, (10m) 8-TF-04 Flow through chamber for Chlorine Sensor Sun shield 8-35 + 8-35-1 Sun Shield with Pipe Mounting kit 8-35 + 8-35-2 Sun Shield with Wall Mounting kit 8-SF01 Chlorine sensor 30

Accessories Turbidity/Suspended Solids Transmitter Accessories Turbidity/Suspended Solids Sensor TC-100 TC-500 TC-3000 0~100 NTU Turbidity Sensor, 0 ~ 40 C, cable length 10m, Immersion in open tanks 0~500 NTU Turbidity Sensor, 0 ~ 40 C, cable length 10m, Immersion in open tanks 0~3000 NTU Turbidity Sensor, 0 ~ 40 C, cable length 10m, Immersion in open tanks 0~1000 ppm Suspended Solids sensor, 0 ~ 40 C, cable length TCS-1000 10m, Immersion in open tanks Sensor Protection Holder 8-26 + 8-36 + DO-100 Protective Electrode Holder for Turbidity/S.S. sensor, 1M, Incl. waterproof cap, sensor mounting kit Protection holder s Accessory 00416A Stainless L Shaped Electrode Holder Support Base 8-SF01 Protection holder float for measurement in variable water levels or in lakes, etc. Standard solutions 99512-62 Standard solution 1000 NTU, 500c.c. 2461-49 Standard solution 4000 NTU, 500c.c. Sun shield 8-35 + 8-35-1 Sun Shield for TC-7100 with Pipe Mounting kit 8-35 + 8-35-2 Sun Shield for TC-7100 with Wall Mounting kit Turbidity/S.S. Sensor Wall mounted Sun Shield Ion Transmitter Accessories F - Ion Sensor F - ISE combinated electrode (measuring free F - ion in solutions) with ATC, 5m cable, range: 0.20~20000ppm F - Process_F Limitation: ph 5~10, conductivity: min. 500 μs/cm, flow rate: 1~20cm/s, Temp.: 0~50 C Sensor Protection Holder 8-26 + Protective Electrode Holder for F - sensor, 1M, PP-100F Incl. Waterproof cap 8-09-5 + Protective Electrode Holder for F - sensor, 1M, PP-100F Incl. Junction box (when combined with extension cable) Protection holder s Accessory F94009-BK Extension cable for F - ION sensor (per meter) Stainless L Shaped Electrode Holder Support Base (Designed for 00416A immersing in a running basin) Protection holder float for measurement in variable water levels 8-SF01 or in lakes, etc. Standard solution 27503-13 F - ion standard solution 1000ppm, 475 ml Pipe mounted Sun Shield 31

13F., No.31, Lane 169, Kangning St., Xizhi Dist., New Taipei City 22180, Taiwan Tel: 886-2-2695-9688 Fax: 886-2-2695-9693 e-mail: suntex@ms1.hinet.net 5040C Online01 1110/Technical data subject to alternations / Quality Systems ISO 9001