INW AquiStar PT12-BV Скачать руководство пользователя страница 1 | Manualshive

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INW AquiStar PT12-BV Скачать руководство пользователя страница 1

AquiStar

®

PT12-BV

Barometric Compensator/Vacuum Sensor

INSTRUCTION MANUAL

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Содержание AquiStar PT12-BV

Страница 1: ...AquiStar PT12 BV Barometric Compensator Vacuum Sensor INSTRUCTION MANUAL ...

Страница 2: ...peration 5 Installing the Box Version 5 Installing the Tube Version 5 Sensor Datalogger Configuration 5 Maintenance 6 Trouble Shooting 7 Erratic Readings 7 Zero Readings 7 Grounding Issues 7 Appendix A Technical Specifications 8 Diagram PT12 BV Tube Version 8 Diagram PT12 BV Barometric Vacuum Unit 8 Cable Wiring Information 9 Wiring for Barometric Compensation Units SDI 12 only 9 Wiring for Barome...

Страница 3: ...ng of data No need to use a vented cable or worry about maintaining desiccant tubes This version features an SDI 12 communication interface making it ideal for many existing environmental systems Initial Inspection and Handling Upon receipt of your equipment inspect the shipping package for damage If any damage is apparent note the signs of damage on the appropriate shipping form After opening the...

Страница 4: ...mergence We are all submerged in the atmosphere As we increase our elevation the pressure exerted on our bodies decreases as there is less of this fluid above us It should be noted that atmospheric pressure at a given level does vary with changes in the weather One standard atmosphere pressure at sea level on a normal day is defined to be 14 7 PSI pounds per square inch There are several methods t...

Страница 5: ... Also recall that changes in weather cause the absolute atmospheric pressure to change In water the absolute pressure Pa at some level of depth d is given as follows see Figure 2 Pa Patm kd where k is simply a constant i e 2 307 ft of water 1 PSI Pressure Diagram Detail A INW s standard gauge submersible pressure devices utilize a vent tube in the cable to allow the device to reference atmospheric...

Страница 6: ...ing the transducer body with tie wraps or tape will not hurt it INW can provide an optional 1 4 NPT input adapter that is interchangeable with the standard end cone for those applications where it is necessary to directly attach the transducer to a pipe tank or other pipe port Sensor Datalogger Configuration The PT12 submersible pressure temperature transducer is designed for use with SDI 12 or Mo...

Страница 7: ...ility or accuracy contact INW If the units have been exposed to hazardous materials do not return them without notification and authorization Cable Cable can be damaged by abrasion sharp objects twisting crimping or crushing and pulling Take care during installation and use to avoid cable damage ...

Страница 8: ... equipment need to be protected from high power spikes that may be caused by lightning power line surges or faulty equipment Without a proper grounding system a power spike will find the path of least resistance to earth ground whether that path is through sensitive electronic equipment or the person operating the equipment In order to ensure safety and prevent equipment damage a grounding system ...

Страница 9: ...ube Version Air Inlets Cable to logger PT12 BV Tube Version Diagram PT12 BV Barometric Vacuum Unit PT12 BV Barometric Vacuum Unit To logger Vacuum Input Optional connection to absolute PT12 Pressure Temperature unit if configured for barometric compensation ...

Страница 10: ...able Wiring Information Cable wiring color codes and connections Wiring for Barometric Compensation Units SDI 12 only Bulkhead wiring color codes and connections For Modbus For SDI 12 For Modbus For SDI 12 ...

Страница 11: ... automatic barometric compensation the surface installed PT12 BV communicates with the down hole PT12 Pressure Temperature Sensor via Modbus The surface PT12 BV then communicates with an SDI 12 host or logger to give compensated pressure readings for the down hole sensor See Appendix B for SDI 12 command information ...

Страница 12: ... pigtail Custom length on communication pigtail Extended temperature range Enhanced temperature calibration HIF calibration TUBE Body Material 316 stainless steel or titanium Dimensions tube 8 15 x 0 75 diameter 20 7 x 1 9 cm Wire Seal Materials Fluoropolymer and PTFE Terminating Connector Available Weight 0 80 lbs 0 4 kg Options 1 4 NPT in place of closed end cone Extended temperature range Enhan...

Страница 13: ...utput 32 bit IEEE Floating point SDI 12 Output ASCII Internal Math 32 bit floating point Operating Voltage 9 16 VDC Compensated Temperature Range 0 C to 40 C for extended ranges contact INW Operating Temperature Range 15 C to 55 C Freezing protection kit required if water below freezing Storage Temperature Range 40 C to 80 C MISCELLANEOUS Measurement Latency Approx 1 3 seconds Default Address Each...

Страница 14: ...ange Address aAb b cr lf change address from a to b Request measurement aM a0023 cr lf request pressure temperature voltage measurement aD0 a 7 15863 25 0000 12 0512 cr lf read pressure psi temperature C voltage V aM1 a0021 cr lf request pressure measurement only aD0 a 7 15863 cr lf read pressure psi aM2 a0021 cr lf request temperature measurement only aD0 a 25 0000 cr lf read temperature C aM3 a0...

Страница 15: ...emperature C voltage V aMC1 a0021 cr lf request pressure measurement only aD0 a 7 15863 crc cr lf read pressure psi aMC2 a0021 cr lf request temperature measurement only aD0 a 25 0000 crc cr lf read temperature C aMC3 a0021 cr lf request power supply voltage measurement aD0 a 12 0512 crc cr lf read power supply voltage V aMC4 a0ttt4 cr lf request averaged data ttt depends upon programmed average d...

Страница 16: ...ration aD0 a 7 15863 7 23215 7 05128 25 0000 cr lf read Ave Pressure Max Pressure Min Pressure Ave Temperature C5 C6 and C7 only available on PT12 BV PT12 combination units aC5 a00203 cr lf request barometrically compensated down hole pressure down hole temperature surface temperature measurement aD0 a 2 58613 19 2100 21 0512 cr lf read barometrically compensated down hole pressure down hole tempe...

Страница 17: ... Pressure Min Pressure Ave Temperature CC5 CC6 and CC7 only available on PT12 BV PT12 combination units aCC5 a00203 cr lf request barometrically compensated down hole pressure down hole temperature surface temperature measurement aD0 a 2 58613 19 2100 21 0512 crc cr lf read barometrically compensated down hole pressure down hole temperature surface temperature aCC6 a00204 cr lf request non baromet...

Страница 18: ... Read Modify Calibration Values aXCnn value a value cr lf read modify calibration value nn examples aXC00 a 1 591600e 5 CR LF read value of calibration register 00 aXC00 1 704e 4 a 1 704000e 4 CR LF set value of calibration register 00 Set number of significant digits aXSt at cr lf set of significant digits for SDI 12 report data t 1 7 ...

Страница 19: ...ory cal offset coefficient 2 0 000000E 00 09 mField Field pressure cal slope 1 000000E 00 10 bField Field pressure cal offset 0 000000E 00 11 mT Field temperature cal slope 1 000000E 00 12 bT Field temperature cal offset 0 000000E 00 13 T_Alpha Factory Temperature Cal Alpha 0 000000E 00 14 T_Offset Factory Temperature Cal Offset 0 000000E 00 15 T_ZeroSlope Factory Temperature Cal ZeroSlope 0 00000...

Страница 20: ...libration Pressure units scale 40203 4 a Factory calibration Pressure linearization 1 40205 6 b Factory calibration Pressure linearization 2 40207 8 m0 Factory calibration Pressure slope 0 40209 10 m1 Factory calibration Pressure slope 1 40211 12 m2 Factory calibration Pressure slope 2 40213 14 b0 Factory calibration Pressure offset 0 40215 16 b1 Factory calibration Pressure offset 1 40217 18 b2 F...

Страница 21: ...d the statistical data values are not updated 40401 a Set sensor address a Write Only 40501 b Set baud rate b Write only 0 38400 1 19200 default 2 9600 3 4800 4 2400 5 1200 40601 w Set auto enable Causes sensor to be enabled automatically for w seconds after a read of any parameter data register W 0 disables auto enable This is normally set to 10 seconds at the factory For lowest power usage set t...

Страница 22: ...equency is less than the auto enable value the sensor will stay on continously and your readigns will always be fresh with the exception of the very first reading If your read frequency is greater than the auto enable value the following reading sequence is recommended 1 Request a reading This begins the wakeup process on the sensor and returns the value currently in the register which will be old...

Страница 23: ... equipment is altered or repaired by the Buyer without prior written approval by the Seller all warranties are void Equipment and accessories not manufactured by the Seller are warranted only to the extent of and by the original manufacturer s warranty THE FOREGOING WARRANTIES ARE IN LIEU OF ALL OTHER WARRANTIES WHETH ER ORAL WRITTEN EXPRESSED IMPLIED OR STATUTORY IMPLIED WARRANTIES OF FITNESS AND...

Страница 24: ...23 Notes ...

Страница 25: ...24 Notes ...

Страница 26: ...425 822 4434 FAX 425 822 8384 info inwusa com INW 1997 2015 by Instrumentation Northwest Inc All rights reserved Instrumentation Northwest and INW are trademarks registered with the U S Patent Trademark Office Doc 9B0008r6 02 21 2015 PN 3A346 NI ...

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