±0.5 % full scale (monovalent) Accuracy 1 % full scale (divalent) ATC / MTC (0 to 100 ºC) (ph only) GLP Yes Slope/Offset (ECFC B) ph Electrode

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1 ph/orp/ion Bench Meters & Ordering Information ph / ORP / Ion Models ph/orp Bench Meters Deluxe Bench Economy Bench Ion 2700 ph 2700 Ion 700 ph 700 Measuring Parameter ph / Ion / ORP / ºC / ºF ph / ORP / ºC / ºF ph / Ion / ORP / ºC / ºF ph / ORP / ºC / ºF Highlights Graphic LCD with backlight & extensive display Large LCD with dual display Range to ph to ph Resolution 0.1 / 0.01 / ph 0.01 ph ph Accuracy ±0.002 ph + 1 LSD ±0.01 ph Cal. Points Up to 6 Up to 5 Buffer Sets USA, NIST, DIN, User 1, User 2, Custom USA, NIST Range ± mv ±2000 mv ORP Rel. mv Range ± mv ±2000 mv Resolution 0.1 mv 0.1 mv (±199.9 mv) / 1 mv (beyond) Accuracy ±0.2 mv ±0.2 mv (±199.9 mv) / 2 mv (beyond) Concentration to ppm (±2000 mv) 0.01 to 2000 ppm (±2000 mv) Resolution 2 / 3 digits 0.01 / 0.1 / 1 ppm Ion 0.5 % full scale (monovalent) ±0.5 % full scale (monovalent) Accuracy 1 % full scale (divalent) ±1 % full scale (divalent) Cal. Points 2 to 8 2 to 5 Range (Meter) 0.0 to ºC / 32.0 to ºF Resolution 0.1 ºC / 0.1 ºF Accuracy ±0.3 ºC / ±0.5 ºF (0 to 70 ºC) Compensation ATC / MTC (0 to 100 ºC) (ph only) GLP Yes Slope/Offset Yes Datalogging Yes Meter Memory 500 data sets 100 data sets Features LCD Display Graphic LCD with backlight (5.9 x 7.8 cm) Custom dual-display LCD (5.6 x 7.5 cm) Input DC socket, BNC, phono (ATC), phono (reference), phono (RS232) DC socket, BNC, phono (ATC), phono (reference) Output RS232C Power 9 V DC adapter, 1.3 A (100 / 240 VAC, SMPS) Dimensions Meter 17.5 x 15.5 x 6.9 cm ; 650 g (LxWxH); Weight Boxed 30.8 x 23.5 x 12.4 cm ; 1800 g ph/orp Bench Meters Parameters Electrodes Accessories Item Order Code Part No. ph ORP Ion ph Electrode (EC620131) ph Electrode (ECFC B) Ion 2700 ECION270042GS 01X Ion 2700 ECION270040S 01X ph 2700 ECPH270042GS 01X ph 2700 ECPH270040S 01X Ion 700 ECION70040S 01X ph 700 ECPH70042S 01X ph 700 ECPH70042GS 01X ph 700 ECPH70040S 01X ph Electrode (ECFG B) ATC Probe (PH5TEMB01P) Integral Electrode Holder Power Adapter RS-232 Cable (30X427301) ph Electrode Refill Solution, 60 ml ph Sachets Replacement Electrodes & Accessories Used With Description Order Code Part No. ph 2700 Glass-body double junction Ag/AgCl refillable ph electrode, 12 x 110 mm, BNC connector, 1 m cable ECFG B 93X ph 700 General purpose plastic-body single junction gel-filled ph combination electrode, 12 x 90 mm, BNC connector, 1 m cable ECFC B 01X ph 2700 / ph 700 ATC probe PH5TEMB01P 01X ph 2700 / Ion 2700 RS232 to USB cable use with 30X cable to connect 2700 to USB port of PC 30X X ph 2700 / Ion / 240 VAC SMPS power adapter, 9 V, 6 W 60X X ph 700 / Ion / 240 VAC SMPS power adapter, 9 V, 6 W 60X X ph 2700 / Ion 2700 ECFG B ph electrode refill solution, reference, saturated potassium chloride, 60 ml 01X X All meters Electrode arm and bracket 01X X page 32

2 ph/orp/ion Handheld Meters ph / ORP / Ion Models ph/orp Handheld Meters CyberScan Dual-Display Eutech Single-Display ph 620 ph 610 ph 600 ph 310 ph 300 ph 110 ph 11 Ion 6+ ph 6+ ph 5+ Measuring Parameter ph / ORP / ph / ORP / Ion / ph / ph / ORP / ºC / ºF ph / ORP / ºC ph / ORP / ºC Ion / ºC / ºF ºC / ºF ORP / ºC ph / ORP / ºC ph / ºC Highlights Waterproof, Waterproof, Expanded Waterproof, Economical Economical Economical GLP, RS232C, GLP, RS232C, Waterproof, Waterproof memory, Standard GLP, RS232C, Ion, ph, ORP ph, ORP ph IrDA, Ion, IrDA, GLP handheld RS232C handheld IrDA, 0.01 ph measurement measurement measurement ph ph output Range to ph to ph to ph 0.00 to ph Resolution 0.1 / 0.01 / ph 0.1 / 0.01 ph 0.01 ph Accuracy ±0.002 ph ±0.01 ph ±0.01 ph ph Up to 6 Up to 6 Cal. Points 1 (Offset) to 6-points Up to 5 (using DIN) (using DIN) Up to 5 Up to 3 Buffer Sets USA, NIST, DIN, PWB, Custom USA, NIST, DIN USA USA, NIST, DIN, PWB USA, NIST USA, NIST, PWB Range ± mv ±1999 mv ±500 mv ±1000 mv ORP Rel. mv Range ± mv ±1999 mv ±500 mv ±1000 mv Resolution 0.1 mv 0.1 mv (±199.9 mv) / 1 mv (beyond) Accuracy ±0.2 mv + 1 LSD ±0.2 mv / ±2 mv + 1 LSD Range to to 0.99 / 1.0 to / 200 to 1999 ppm Resolution 2 or 3 digits 0.01 / 0.1 / 1 ppm Ion 0.5 % full scale Accuracy (monovalent) 1 % full scale ±1 % full scale (divalent) Cal. Points Up to 8 Up to 3-10 to 110 ºC / Range -10 to 110 ºC / 14 to 230 ºF -10 to 110 ºC 0.0 to ºC 14 to 230 ºF Resolution 0.1 ºC / 0.1 ºF 0.1 ºC 0.1 ºC / 0.1 ºF 0.1 ºC Accuracy ±0.5 ºC / ±0.9 ºF ±0.5 ºC ±0.5 ºC / ±0.9 ºF ±0.5 ºC Compensation ATC / MTC (0 to 100 ºC) GLP Yes Cal-Due Alarm Yes Slope/Offset Display Yes IP67 Yes Datalogging Yes Memory 500 data sets 50 data sets 16 data sets 100 data sets 50 data sets Meter Operating 0 to 50 ºC Features Average/ Stability Yes LCD Display Dot-matrix LCD with backlight Dual-display LCD Single-display LCD (5.4 x 7.1 cm) (5.8 x 3.3 cm) (4.5 x 2.3 cm) Auto-Off 2 to 30 mins after last key pressed 20 mins after last key pressed Input DC phono sockets, DC socket, BNC, 2.5 mm 6-pin connector, BNC 8-pin connector, BNC phono socket BNC, 2.5 mm phono socket Output IrDA, RS232C (via LED) * RS232C Power 4 x 1.5 V AA alkaline batteries 4 x 1.5 V AAA 4 x 1.5 V AAA alkaline batteries or 9 V DC adapter, 500 ma alkaline batteries or 9 V DC adapter, 200 ma 4 x 1.5 V AAA alkaline batteries Battery Life > 500 hrs > 200 hrs > 700 hrs > 500 hrs Dimensions Meter 18.3 x 9.5 x 5.7 cm ; 460 g 19 x 10 x 6 cm ; 320 g 18 x 9 x 4 cm ; 220 g 15.7 x 8.5 x 4.2 cm ; 255 g (LxWxH); Weight Boxed 40 x 33 x 10 cm ; 2680 g 40 x 33 x 10 cm ; 2100 g 36 x 28 x 8 cm ; 1555 g page 26

3 ph/orp/ion Pocket Testers ph / ORP / Ion Models phtestr 30 phtestr 20 phtestr 10 EcoTestr ph 2 phtestr 10BNC ph Spear ORPTestr 10 ORPTestr 10BNC ph/orp Pocket Testers Measuring Parameter ph / ºC / ºF ph ORP Highlights 0.01 resolution, Open pore, Platinum band 0.01 resolution 0.1 resolution BNC connection temp. display spear tip sensor BNC connection Range to ph -1.0 to 15.0 ph 0.0 to 14.0 ph to ph -999 to mv Resolution 0.01 ph 0.1 ph 0.01 ph 1 mv ph/orp Accuracy ±0.01 ph ±0.1 ph ±0.01 ph ±2 mv Cal. Points 3 auto 1 manual Buffer Sets USA: 4.01 / 7.00 / ; NIST: 4.01 / 6.86 / 9.18 Range 0 to 50.0 º C / 0 to 50.0 C / 32.0 to º F 32.0 to º F Resolution 0.1 º C / 0.1 º F 0.1 º C / 0.1 º F Accuracy ±0.5 º C / 0.9 º F Calibration ±5 º C / 9 º F from 0 to 50.0 C / Window default value 32.0 to º F Compensation ATC MTC Sensor Type Double-junction Single-junction BNC Double-junction BNC Sensor Included Yes Yes Replacement 1 Many 1 Many Sensors Meter Non-Volatile Features Yes Memory Auto-Off 8.5 mins after last key pressed Operating 0 to 50 º C LCD Display Dual-display LCD Single-display LCD Dual-display LCD (2.1 x 2.7 cm) (1.7 x 0.7 cm) (2.1 x 2.7 cm) Power 4 x 1.5 V A76 micro alkaline batteries (included) 16.5 x 3.8 cm ; 16.3 x 4.5 x 3 cm ; 16.5 x 3.8 cm ; 24 x 3.8 cm ; 16.5 x 3.8 cm ; Tester Dimensions 90 g 90 g 90 g 103 g 90 g (LxWxH); Weight Boxed 18.5 x 6.5 x 5 cm ; 200 g 24.5 x 13.5 x 4.5 cm ; 137 g 18.5 x 6.5 x 5 cm ; 200 g 28 x 7 x 7 cm ; 180 g 18.5 x 6.5 x 5 cm ; 200 g >> Wastewater Treatment >> Food Processing << Aquaculture << Cooling Towers page 20

4 STARTER Series ph & Conductivity Products Accurate, Convenient, and Reliable Welcome to Ohaus! With over 100 years of success in weighing products, now Ohaus is getting into more areas of laboratory products. We are proudly presenting STARTER series of ph meters and conductivity meters. With a clear focus on meeting our customers needs, Ohaus electrochemistry products are designed to provide a reliable, fast and easy solution for our customers with many unique and innovative features. Standard Features Include: Well orgnized menu on white backlit LCD screen ph Electrode Condition Icons give user information of the electrode condition Date and Time display, with the most recent calibration data Stand alone electrode arm, can be placed anywhere near the meter 3-in-1 ph electrode/4-ring conductivity electrode Auto buffer recognition, with 3-point calibration Auto Functions: ATC, auto endpoint, auto self-diagnosis STARTER Series products are manufactured at ISO 9001 facilities, and meet CE requirements Our goal is to provide the best value in its class!

5 STARTER Series ph & Conductivity Products STARTER 3000/2000 STARTER 3000 and 2000 are both benchtop ph meters that can be used for a variety of measurement applications. They are accurate, fast, and easy. Electrode Condition Icon Shows electrode condition information *Date and Time Display Also record the most recent calibration data *Auto Buffer Recognition, 3-point Calibration *Auto Compensation (ATC) With 3-in-1 electrode to make accurate measurements Electrode Arm Can be placed anywhere near the meter Auto Self-diagnosis Displays error message, helps end-users find problems Other convenient features: Well-organized menu in bright white backlit LCD Auto/manual endpoint modes, can be switched to meet different test situations *Only available on STARTER 3000

6 STARTER 300 A portable ph meter that provides the best value in its class. Wrist Wrap Additional security during transport Built-in Meter Stand For benchtop using Electrode Clip Can be attached to either side of the meter Integrated Labeling For quick product identification ATC with 3-in-1 Electrode Auto Buffer Recognition, 3-point Calibration Auto Self-diagnosis, Auto/ manual Endpoint Modes Ergonomic and Compact Design Spec. STARTER 3000 STARTER 2000 STARTER 300 Measurement Range ph ph ph mV mV mV -5 C C - 0 C C Resolution 0.01 ph 0.01 ph 0.01 ph 1 mv 1 mv 1 mv 0.1 C C Error Limits/Accuracy ± 0.01 ph ± 0.05 ph ± 0.01 ph ± 1 mv ± 5 mv ± 1 mv ± 0.5 C - ± 0.5 C ph Calibration Up to 3 points Up to 2 points Up to 3 points Calibration Buffer 4 predefined buffer group 4.01, 7.00, predefined buffer 4 predefined buffer group Memory 1024 sets, most recent calibration data with date&time - 30 sets, most recent calibration data Power/Battery V/50-60Hz, 9 V DC V/50-60Hz, 9 V DC 4 x AAA >500 hrs Size/Weight 160 W x 200 D x 65 H mm /0.65kg 150 W x 195 D x 60 H mm /0.55kg 90 W x 170 D x 35 H mm/0.18 kg Display White backlight liquid crystal White backlight liquid crystal Liquid crystal ph Input BNC, impedance >10e+12 Ω BNC, impedance >5x10e+11 Ω BNC, impedance >10e+12 Ω Temp Input Cinch, NTC 30 kω - Cinch, NTC 30 kω Temp Compensation ATC or MTC MTC ATC or MTC Temp Compensation Range 0 C C 0 C...60 C 0 C C IP Rating - - IP54 Housing Materials ABS ABS ABS

7 ph Electrodes OHAUS offers a wide electrode portfolio to meet different ph measurment applications. ST310 3-in-1 refillable ph electrode, for general samples ST320 3-in-1 gel ph electrode, no need to refill reference electrolyte, for general samples ST210 2-in-1 refillable ph electrode, for general samples STPURE 2-in-1 pure water ph electrode, for low ion concentration water such as distilled water, rain water, tap water etc. ST230 2-in-1 muddy sample ph electrode, for samples like juice, sauce, grape wine etc. STTEMP30 temperature electrode with 30K thermistor, long life time, can work with 2-in-1 ph electrode

8 STARTER 3000C STARTER 3000C is bench meter for general conductivity or TDS measurement. 4-ring Conductivity Electrode Gives more accurate results, comes with temperature sensor, ATC White Backlit LCD Screen Bright and clear screen, well-organized menu Auto/manual Endpoint Modes Two modes can be switched for different situations Auto Self-diagnosis Gives error message, helps users troubleshoot One-touch Conversion Switch between conductivity and TDS value STARTER 300C STARTER 300C is portable meter used in the field, or as a benchtop 4-ring Conductivity Electrode Ergonomic and Compact Design Built-in Meter Standing Feet Integrated Labeling Design One-touch Conversion

9 STARTER Series ph & Conductivity Products Spec. STARTER 300C STARTER 3000C Measurement range 0.0 μs/cm ms/cm 0.0 μs/cm ms/cm 0.1 mg/l g/l (TDS) 0.1 mg/l g/l (TDS) 0 C C 0 C C Resolution Auto range, 0.1 C Auto range, 0.1 C Error Limits ± 0.5 % F.S. ± 0.3 C ± 0.5 % F.S. ± 0.3 C Memory 30 sets, most recent calibration data Most recent calibration data Power/Battery 4 x AAA >250 hrs V/50-60Hz, 9 V DC Size/Weight 90 W x 170 D x 35 H mm /0.16 kg 160 W x 200 D x 65 H mm /0.65kg Display Liquid crystal White backlight liquid crystal Input Mini-Din Mini-Din coefficient α 0.00 %/ C %/ C 0.00 %/ C %/ C Ref T(20/25 C) Ref T(20/25 C) IP Rating IP54 - Housing Material ABS ABS Order Information Item NO Model Description ST3000 STARTER ST310 + ph Buffer Powder Set ST3000-B STARTER ph Buffer Powder Set ST2000 STARTER ST210 + ph Buffer Powder Set ST2000-B STARTER ph Buffer Powder Set ST300 STARTER ST320 + ph Buffer Powder Set ST300-B STARTER 300 meter only ST3000C STARTER 3000C + STCON ST300C STARTER 300C + STCON ST310 3-in-1 ph electrode ST210 2-in-1 ph electrode ST320 3-in-1 gel ph electrode ST230 Muddy sample ph electrode STPURE Pure water ph electrode STTEMP30 electrode (30K) ph Buffer Powder Set (4.01; 7.00; 10.01)buffer powder set STCON3 4-ring conductivity electrode(70us-200ms/cm) Stand alone electrode arm Stand alone electrode arm OHAUS CORPORATION 7 Campus Drive Suite 310 Parsippany, NJ USA Tel: (973) Fax: (973) With offices worldwide * ISO 9001 Registered Quality Management System Thank you for choosing Ohaus products! 奥豪斯始终致力于其产品功能的改进工作 基于该原因, 产品的技术规格亦会受到更改 奥豪斯公司保留修改的权利 如有变更, 恕不另行通知 Copyright Ohaus Corporation