Pressure Transducer Model PR-264

Transcription

1 Pressure Transducer Model PR % solid state fused silicon pressure sensor Rugged, leak-proof 316L stainless steel monolithic pressure cavity with no welds, O-rings, or seams/ bonds Up to 300% overpressure without zero shift Over 500% burst pressure Up to 3 field selectable ranges in a single unit Wide VDC/12-35 VAC unregulated supply voltage Two temperature compensated output versions, 4-20 ma 2-wire or field selectable 0-5 VDC/0-10 VDC NIST traceable calibration Rugged NEMA 4 (IP-65) enclosure with external mounting bracket Short circuit and reverse polarity protected Conforms to EMC standards EN / EN55014/EN The PR-264 incorporates sophisticated integrated circuits and a new fused silicon monolithic cavity pressure sensor to not only provide a high-level, fully-conditioned and temperature compensated output, but also to offer up to three (3) field selectable pressure ranges in one unit. The field selectable feature eliminates costly inefficiencies by providing a single unit which can be configured to cover all the pressure ranges for a particular application. For instance, 25.0, 50.0 and psig in one unit. The 316L stainless steel monolithic pressure cavity not only provides media compatibility for most of the applications, but also offers a leak-proof solution for today's environment conscious customers. Two industry standard output versions are available, 4-20mA 2-wire loop or field selectable 0-5 VDC/0-10 VDC or VAC unregulated supply voltage and a broad 0 F-180 F compensated temperature range ensures compatibility to most of the applications. Rugged NEMA 4 (IP-65) enclosure, gasketed cover, external mounting bracket, fully temperature compensated NIST traceable accuracy and a liberal two year warranty are some of the features which make the PR-264 the industry's most reliable, rugged, and economical pressure 7400 Flying Cloud Drive Minneapolis, MN USA 800/ / Fa x 612/ sales@mamacsys.com Units 6&7 Baird House Dudley Innovation Centre 4 Armiger Court, Unit McIntosh Drive, Unit 5 Markham 5611 North Bridge Road Pensnett Estate Kingswinford Holden Hill S. A Australia Ontario L3R 0N6 Canada Eng Cheong Tower West Midlands DY6 8XZ United Kingdom Fax Fax Singapore Fax Registered Trademark MAMAC SYSTEMS, Inc Fax

2 PR-264 The PR-264 sensing element is a 100% solid state silicon strain gauge fused directly onto the 316L stainless steel monolithic pressure cavity. The pressure cavity is machined out of a solid rod and does not incorporate any welds, seams, or bonds. In this way, the sensor not only offers excellent linearity, repeatability, and sensitivity, but also exhibits negligible hysteresis and withstands significant overpressure without zero shift. The monolithic nature of the cavity ensures not only leak proof operation but also enhances the overpressure and burst pressure specifications. The pressure cavity design incorporates novel techniques to isolate the fused silicon sensing element from installation related stress thereby ensuring zero integrity. The 316L stainless steel offers excellent media compatibility to most of the industrial and commercial applications. The PR-264 incorporates sophisticated integrated circuits to not only provide a high level, fully conditioned and temperature compensated output, but also to offer field selectable flexibility which was unheard of in the industry. The PR-264 offers up to three field selectable pressure ranges in one unit. In this way, a customer does not need to know the exact pressure range prior to selection. A unit can be field configured for the desired pressure range in the field. With fixed range units, in case of engineering error or incorrect selection, the only solution is expensive field recalibration or time consuming product exchange or replacement. Similarly, numerous units have to be kept in stock as spares to cover all ranges in case of field failure. The PR-264 with the field selectable pressure range feature, eliminates above mentioned costly inefficiencies. A single unit can be configured to cover all the pressure ranges in a particular application thereby eliminating any possibility of incorrect range selection. Additionally, one unit can be kept in stock and, in the event of a failure, it can be field configured thereby eliminating the need to stock numerous fixed range units. (For a complete listing of all the ranges available, please see the ordering information section on page three.) On VDC output units, two additional field selectable options are available: dual outputs 0-5 or 0-10 VDC, and dual unregulated supply voltages VAC or VDC. By merely moving a shorting plug, one can select the desired output for the specific application. As far as supply voltage is concerned, the unit automatically configures for AC or DC and no field selection is necessary. Another feature is that the output is fully protected from short circuit to ground, or if the supply voltage is applied by mistake to the output. Past experience demonstrates that field related wiring problems do occur. Instead of denying this fact, the protection circuit is designed in to ensure trouble-free start-up. The VDC output unit is also designed to handle low impedance circuits. In fact, the unit can drive up to 1K ohms minimum. In this way, multiple controllers, indicators, or other devices can be paralleled to the output without performance degradation. The ma output units can function over a wide unregulated supply voltage range: VDC without any effect on calibration or performance. The unit has reverse polarity protection built in. As a result, it is next to impossible to damage the unit by mis-wiring. By using sophisticated low drop-out voltage regulators and CMOS integrated circuits, the ma output unit can drive very high output impedance. In fact, with only 12 VDC supply, the unit can drive 400 ohms. At 40 VDC, the unit is capable of handling up to 3000 ohms load. In this way, the output loop can be tied in series to multiple controllers, indicators, and other devices without degrading the performance. Automated NIST traceable pressure controllers and precision pressure sensors are utilized to calibrate and certify the PR-264. Calibration data on each unit is archived digitally for SPC and QC purposes. All automated calibration systems are networked and data is available on-line to numerous individuals at the same time. In this way, extremely high standards of quality and calibration integrity are maintained. Each unit is individually temperature compensated in an environmental chamber. The temperature compensation data is also digitized and archived for future reference purposes. Compensating each unit individually ensures that published specifications are adhered to. The PR-264 incorporates a rugged NEMA 4 (IP-65) fully gasketed, dust proof and splash proof enclosure. The enclosure has an external mounting bracket to facilitate field installation. A 1/2" (.875"/22.25mm dia.) knock-out for conduit connection is also provided. A liquid tight cable connector is also supplied if the unit is not being hard wired. Once installed, the enclosure maintains its environmental rating and protects the electronics and the sensing element from condensation, corrosive contaminants and other environmental pollutants. The unit also has additional features for ease of installation including unpluggable terminal block, easily accessible zero and span trimmers, and conveniently located shorting plugs for field selection.

3 Specifications: Accuracy*: ± 1% FS Overpressure: 300% Burst Pressure: 500% Supply Voltage: VDC VAC (VDC output units only) PR-264 Compensated Temp Range: 0 F-180 F (-18 C-82 C) T. C. Error: ±0.025%/ F (.03%/ C) Media Compatibility: Liquid/gases compatible to 316L stainless steel Port Connection: 1/8" NPT Supply Current: VDC Units - 10 ma max. ma Units - 20 ma max. Enclosure: 18 Ga C. R. Steel NEMA 4 (IP-65) Finish: Baked on enamel-pms2gr88b Conformance: EMC Standards EN (1992) EN55014(1993)/EN (1992) Environmental:10-90%RH Non-Condensing Termination: Unpluggable screw terminal block Wire Size: 12 Ga max. Load Impedance: 3K ohms max. at 40 VDC (ma output units) 1K ohms min. (VDC output units) Weight: 1.0 lbs. (.45 kg) *Includes non-linearity, hysteresis and non-repeatability Ordering Information: PR-264- RANGE OUTPUT R1 (psig) 0 TO 100 / 0 TO 50 / 0 TO 25 ma (4-20 ma 2-wire) R2 (psig) 0 TO 300 / 0 TO 150 / 0 TO 75 VDC (0-5 VDC or 0-10 VDC R3 (psig) 0 TO 500 / 0 TO 250 / 0 TO 125 field selectable) R4 (kpa) 0 TO 700 / 0 TO 350 / 0 TO 175 R5 (kpa) 0 TO 2000 / 0 TO 1000 / 0 TO 500 R6 (kpa) 0 TO 3500 / 0 TO 1750 / 0 TO 875 Example: PR-264-R1-mA: With R1 Range which has three(3) field selectable range options and 4-20 ma output. CAUTION: Do not use on oxygen service, in explosive/hazardous environment or with flammable/combustible media.

4 PR " (76.21) 3.00" (76.21) 6.00" (152.40) 2.25" (57.15) 4.00" (101.60) 2.658" (67.51) 3.25" (82.55) 5.00" (127.00) WARRANTY: MAMAC Systems, Inc. warrants its products to be free of defects in material and workmanship for a period of two (2) years from date of shipment. If a unit is malfunctioning, it must be returned to the factory for evaluation. A return authorization number (RMA) will be issued by the customer service department and this number must be written or prominently displayed on the shipping boxes and all related documents. The defective part should be shipped freight pre-paid to the factory. Upon examination by MAMAC Systems, Inc., if the unit is found to be defective, it will be repaired or replaced at no charge to the customer. However, this warranty is void if the unit shows evidence of being tampered with, damaged during installation, misapplied, misused, or used in any other operating condition outside of the unit' s published specifications. MAMAC Systems, Inc. makes no other warranties or representations of any kind whatsoever, expressed or implied, except that of title. All implied warranties including any warranty of merchantability and fitness for a particular purpose are hereby disclaimed. User is responsible to determine suitability for intended use. LIMITATIONS OF LIABILITY: The remedies of buyer set forth herein are exclusive and the total liability of MAMAC Systems, Inc. with respect to this order, whether based on contract, warranty, negligence, indemnification, strict liability or otherwise, shall not exceed the purchase price of the product upon which liability is based. In no event shall MAMAC Systems, Inc. be liable for consequential, incidental or special damages. MAMAC Systems, Inc. reserves the right to change any specifications without notice to improve performance, reliability, or function of our products. Every precaution for accuracy has been taken in the preparation of this manual, however, MAMAC Systems, Inc. neither assumes responsibility for any omissions or errors that may appear nor assumes liability for any damages that result from the use of the product in accordance with the information contained in the manual Flying Cloud Drive Minneapolis, MN USA 800/ / Fa x 612/ sales@mamacsys.com Units 6&7 Baird House Dudley Innovation Centre 4 Armiger Court, Unit McIntosh Drive, Unit 5 Markham 5611 North Bridge Road Pensnett Estate Kingswinford Holden Hill S. A Australia Ontario L3R 0N6 Canada Eng Cheong Tower West Midlands DY6 8XZ United Kingdom Fax Fax Singapore Fax Fax Registered Trademark MAMAC SYSTEMS, Inc.

5 Model PR Flying Cloud Drive Minneapolis, MN USA Fax Pressure Transducer Technical Information Rev. 0 For additional information, see the accompanying data sheet for this Ordering Information Dimensions RANGE R1 (psig) 0 to 100 / 0 to 50 / 0 to 25 R2 (psig) 0 to 300 / 0 to 150 / 0 to 75 R3 (psig) 0 to 500 / 0 to 250 / 0 to 125 R4 (kpa) R5 (kpa) R6 (kpa) 0 to 700 / 0 to 350 / 0 to to 2000 / 0 to 1000 / 0 to to 3500 / 0 to 1750 / to 875 ma VDC OUTPUT 4-20 ma two-wire 0-5 or 0-10 VDC (field selectable) WARNING! Do not use on oxygen service, use in an explosive or hazardous environment, or use with flammable or combustible material. Disconnect the power supply before installing the Failure to do so can result in electrical shock and equipment damage. Make all connections in accordance with the job wiring diagram and national and local electrical codes. Use only copper conductors. Use electrostatic discharge precautions such as wrist straps when installing and wiring the Avoid installing the transducer in locations where severe shock, vibration, excessive moisture, or corrosive fumes are present. NEMA 4 housings are primarily intended for outdoor use to provide a degree of protection against windblown dust, rain, and hose-directed water. Do not exceed ratings for the Mounting 1. Choose a vertical mounting surface for the pressure 2. Orient the pressure transducer so that the 1/8-inch NPT connection points downward. See Figure Remove the transducer cover using a Phillips screwdriver. 4. Mount the pressure transducer using two #8 self-tapping screws (not provided). 5. Pull the wires through the bottom of the enclosure and make the necessary connections. 6. Replace the transducer cover and make the pneumatic connections. Wiring Use 12 AWG wire maximum for wiring terminals and copper or stainless steel tubing for transducer connections. See Figures 5 to 8 for wiring diagrams and Figures 9 and 10 for jumper designations. Wiring for ma Output The ma output pressure transducer must be powered with a VDC power supply. See Figure 3. Specifications Accuracy*: ± 1% FS Overpressure: 300% Burst Pressure: 500% Figure 1. Pressure Transducer Dimensions 1. Remove the blue terminal block by carefully pulling it off the circuit board. 2. Locate the [+] and [-] terminal markings on the board. 3. Attach the supply voltage to the [+] lead. 4. Connect the 4-20 ma output [[-] terminal) to the controller s input terminal. 5. Ensure that the power supply common is attached to the common bus of the controller. 6. Reinsert the terminal block to the circuit board and apply power to the 7. Check for the appropriate output signal by using a DVM set to DC milliamps connected in series to the [-] terminal. Supply Voltage: VDC; VAC (VDC output transducers only) Supply Current: 10 ma maximum for VDC output transducers; 20 ma maximum for ma output transducers Enclosure: 18 gage C.R. steel NEMA 4 (IP65) Figure 2. Pressure Transducer Finish: Baked-on enamel PMS2GR88B Conformance: EMC Standards EN (1992), EN55014(1993)/EN (1992) Compensated Temperature Range: 0 F to 180 F (-18 C to 82 C) T. C. Error: ± 0.025%/ F (.03%/ C) Media Compatibility: Liquids and gases compatible to 316L stainless steel Port Connection: 1/8-inch NPT Environmental: 10 to 90% RH non-condensing Termination: Unpluggable screw terminal block Wire Size: 12 gage maximum Load Impedance: 1.6K ohms maximum at 40 VDC (ma output transducers); 1K ohms minimum (VDC output transducers) Weight: Enclosure 1.0 lb. (.45 kg) * Includes nonlinearity, hysteresis, and non-repeatability. Installation Inspection Inspect the transducer packaging for signs of damage. If damaged, notify the carrier immediately. Requirements Tools (not provided): - Digital volt-ohm meter (DVM) - Appropriate screwdriver for mounting screws - Appropriate drill and drill bit for mounting screws Appropriate accessories Two #8 self-tapping mounting screws (not provided) Training: Installer must be a qualified and experienced technician IS.PR Figure 3. Pressure Transducer With ma Output Wiring for VDC Output The VDC output pressure transducer is field selectable for 0-5 VDC or 0-10 VDC output and can be powered with either VDC or VAC. See Figure Remove the blue terminal block by carefully pulling it off the circuit board. 2. Locate the [+], [-], and [0] terminal markings on the board. 3. Attach the power wires to the [+] and [-] terminals. The [-] terminal is also the negative output terminal. 4. Connect the [0] terminal, which is the positive VDC output terminal, to the controller s input terminal. 5. Reinsert the terminal block to the circuit board and apply power to the 6. Check the appropriate VDC output by using a DVM set to DC volts connected to the [0] and [-] terminals. CAUTION! If using grounded AC, ensure that the hot wire is on the [+] terminal. In addition, if using a controller without built-in isolation, use an isolation transformer to supply the This transducer contains a half-wave rectifier power supply and must not be powered from transformers powering other devices with non-isolated full-wave rectifier power supplies. When multiple transducers are powered from the same transformer, damage will result unless all 24-gage power leads are connected to the same power lead on all transducers. Maintain the correct phasing when powering more than one transducer from a single transformer.

6 Figure 4. Pressure Transducer With VDC Output Typical Applications (wiring diagrams) Figures 5 and 6 illustrate typical wiring diagrams for an ma output pressure Figure 9. Jumper Selections for Pressure Transducers With ma Output Figure 5. Wiring ma Output Pressure Transducers With an External DC Power Supply Figure 10. Jumper Selections for Pressure Transducers With VDC Output Figure 6. Wiring ma Output Pressure Transducers Where the Controller or Meter Has an Internal DC Power Supply Figures 7 and 8 illustrate typical wiring diagrams for the VDC output pressure Checkout 1. Verify that the transducer is mounted in the correct position. 2. Verify the appropriate input signal and supply voltage. 3. Verify the appropriate configuration range. CAUTION! Never connect 120 VAC to the pressure AC voltage should never be connected to a transducer intended for a DC power supply. Transducer Operation 1. Adjust the pressure to obtain the maximum output signal for the appropriate range. 2. Ensure that output is either 20 ma or 5 or 10 VDC. 3. Adjust the pressure to obtain a minimum output signal. 4. Ensure that output is either 4 ma or 0 VDC. Note: This pressure transducer is a highly accurate device. For applications requiring a high degree of accuracy, use laboratory quality meters and gages. Figure 7. Wiring VDC Output Pressure Transducers With an External AC Power Supply Calibration All transducers are factory calibrated to meet or exceed published specifications. If field adjustment is necessary, follow these instructions: Calibration of ma Output Pressure Transducers 1. Connect the [+] and [-] terminals to the appropriate power source. 2. Connect the DVM in series to the [-] terminal. 3. Apply low pressure to the transducer and carefully adjust the zero trimmer [Z] to obtain the desired low output pressure. 4. Apply high pressure to the transducer and adjust the span trimmer [S] to obtain the desired high output pressure. 5. Repeat steps 3 and 4 until the transducer is fully calibrated. Calibration of VDC Output Pressure Transducers Figure 8. Wiring VDC Output Pressure Transducers With an External DC Power Supply Adjustments Jumper Configuration Jumper configuration varies according to the output type of the pressure Range configurations for pressure transducers are shown in Table 1. Jumper selections for ma output pressure transducers are shown in Figure 9; jumper selections for VDC output transducers are shown in Figure 10. Table 1. Jumper Range Configurations Range A B C R1 0 to to 50 0 to 25 R2 0 to to to 75 R3 0 to to to Connect the [+] and [-] terminals to the appropriate power source. The [-] terminal is also the negative output terminal. 2. Connect the DVM on DC volts across the [0] and [-] terminals. 3. Apply low pressure to the transducer and carefully adjust the zero trimmer [Z] to obtain the desired low output pressure. 4. Apply high pressure to the transducer and adjust the span trimmer [S] to obtain the desired high output pressure. 5. Repeat steps 3 and 4 until the transducer is fully calibrated. Maintenance Perform regular maintenance on the total system to ensure the sustained optimum performance of the pressure Field Repair Do not attempt to repair the pressure Replace a malfunctioning transducer with a functional transducer if necessary. Warranty See the accompanying data sheet for additional information. For technical / application assistance, call your nearest office. IS.PR R4 0 to to to 175 R5 0 to to to 500 R6 0 to to to 875 EUROPE Baird House, Units 6 & 7 Dudley Innovation Centre Pensnett Estate Kingswinford West Midlands DY6 8XZ United Kingdom Fax ASIA No. 22 Lorong 21A Geylang #11-02 Chin Hin Hang Building Singapore Fax AUSTRALIA 4 Armiger Court, Unit 2 Holden Hill S.A Australia Fax CANADA 155 Mcintosh Drive, Unit 5 Markham Ontario L3R 0N6 Canada Fax Page 2 of 2