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VI970 Absolute pressure transmitter

제조사 : DAVIS
제품번호:VI970
판매가격  : 원
포인트 : 점
수량 :
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This allows for self diagnostics, the setting, storage, and recall of calibration data
Viatran's Model 970, designed specifically for the oil production industry, features a HART communications protocol that enables digital communication with the transmitter. This allows for self diagnostics, the setting, storage, and recall of calibration data, as well as the efficiency of a multidrop network for multiple transmitters.

The HART protocol allows a simultaneous analog and digital signal transmission.

The "70" Series also features bonded foil strain gauge sensors. The inherent overpressure protection in this technology helps to eliminate damage to the sensors when they are exposed to hydraulic spikes.

 
Features
  • Simultaneous digital/analog communications
  • 10:1 rangeability
  • Small size and weight
 
Applications
  • Offshore oil rigs
  • Oil production platforms
  • Natural gas pipelines
  • Rig safety systems
 
SPECIFICATIONS

Full Scale Pressure Range (FSPR)

 0-100, 150, 300, 500, 750, 1K, 1500, 2K, 3K, 5K, 7500, 10K, 15K, 20K, 30K, 40K, 50K, 60K, 75K, 100K PSIS, PSIA
Linearity (BFSL)
0-100 PSI ±0.5% FSO
150-10K PSI ±0.2% FSO
15K - 20K PSI ±0.25% FSO
Hysteresis ≤ ± 0.1% FSO
Repeatability ±0.1% FSO
Full Scale Output 16 mA
Resolution
Sensor (Analog to Digital Converter) 18 bits
Output (Digital to Analog Converter) 12 bits
Drift ≤ ±0.25% FSO per 6 months
Response Time Analog output response to a step change in pressure will be from 0.07 sec. minimum to a 36 sec. maximum for one time constant and is adjustable through software.
Thermal Zero Shift ≤ ±1.0% FSO per 100°F
Thermal Sensitivity Shift ≤ ±1.0% FSI per 100°F
Operating Temperature Range -40°F to +190°F
Non-Operating Temperature Range -65° F to +250° F
Supply Voltage 7 to 30 VDC
Output Signal Two wire 4-20mA. Digital process signal superimposed on 4-20mA signal, available to any host computer system conforming to HART protocol.
Load Impedance 230 Ω to 1,400 Ω
Pressure Connection
0-100 thru 0-15K 1/4" NPT(F)
0-20K thru 0-50K 9/16" - 18 gland thread, pressure relieved.
1/4" OD high pressure tube, 60° come.
Conforms to autoclave type F250-C
0-60K thru 0-100K 5/8" - 18 gland thread, pressure relieved.
5/16" OD high pressure tube, 60° cone.
Conforms to autoclave type F312-C150.

Standard Pressure Ranges in PSI - when ordering, please choose code that matches your specific range.

Code

Range

Code

Range

Code

Range

Code

Range

AH

0-50

AW

0-750

BF

0-5000

BS

0-30K

AM

0-100

AY

0-1000

BH

0-7500

BU

0-40K

AN

0-150

AZ

0-1500

BM

0-10K

BW

0-50K

AP

0-200

BA

0-2000

BP

0-15K

BZ

0-60K

AR

0-300

BC

0-3000

BQ

0-20K

EC

0-75K

AU

0-500

 

 

BR

0-25K

EG

0-100K
CAT NO. MODEL DEscRIPTION AVAIL PRICE 
VI970   970A   Absolute pressure transmitter (up to 15K)., Specify Range   Yes   2,149,200 
VI971   970A   Absolute pressure transmitter (20K and above), Specify Range   Yes   3,013,200 
VI972   970S   Sealed gauge pressure transmitter (up to 15K), Specify Range   Yes   2,106,000 
VI973   970S   Sealed gauge pressure transmitter (20K and above), Specify Range   Yes   2,926,800

 

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