High performance pressure transducer

Model 571 Pressure Transmitter

Model 571 Pressure Transmitter

571 is Viatran's answer to the requirement for Hazardous Location approvals with external sealed adjustments. 571 is rangeable, offering the user flexibility if measuring different pressure levels.

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MODEL 571 PRESSURE TRANSMITTER

Sealed External Adjustment, Hazardous Approvals, 0-100 thru 100K psi

 


571 is Viatran's answer to the requirement for Hazardous Location approvals with external sealed adjustments. 571 is rangeable, offering the user flexibility if measuring different pressure levels.

Performance characteristics

Full Scale Pressure Ranges 0-50 thru 100K PSIA / PSIS
Combined Accuracy (Non-Linearity, Hysteresis, Repeatability) ≤0.3% FSO
Full Scale Output (FSO) 16 mA at 70°F
Resolution Infinite
Long Term Stability ≤±0.25% FSO per 6 months
Response Time (Mechanical & Electrical Combined) ≤20mSec to reach 90% of FSO
Temperature Effect on Zero ≤±0.5% FSO per 100°F
Temperature Effect on Span ≤±0.5% FSO per 100°F
Temperature Effect on Zero and Span combined at 5:1 Range Down ≤±4.0% FSO per 100°F
Compensated Temperature Range 70°F to +170°F
Maximum Operating Temperature +190°F
Minimum Operating Temperature -10°F
Non-operating Temperature Range -65°F to 250°F

Electrical characteristics

Supply Voltage 12 to 30 VDC
Power Supply Regulation ≤±0.02% FSO per volt
Output Signal 4-20 mA at 70°F
Load Impedance 900 Ohms maximum at 30 VDC
Zero Adjustment Elevation -100% of FSO
Suppression +50% of FSO
Span Adjustment Rangeable down 5:1 from standard range
Range Calibration Signal 20% of FSPR externally switched
Calibration Signal Accuracy ±1.0% FSO. The exact signal to pressure correlation is provided with each unit.
Circuit Protection Varistor protected across the input leads for surges above 40V and currents to 250A peak with a pulse width of 20 μSec. Reverse polarity protected.
Bridge Resistance 5K Ohms nominal
Insulation Resistance ≥5 nS to case ground
RFI/EMI Suppression Negligible to 500 MHz at 5 Watts direct contact
Electrical Connection 1/2" NPT Male, 18 AWG, 72"
Wire Color Codes
 
Red     +Power/Signal
Black   -Power/Signal
Green   Case Ground

Materials of Construction

Enclosure Housing 50 thru 15K PSI 15-5 PH and 316 stainless steel
20K thru 100K PSI PH 13-8 Mo SST and 300 Series SST
Wetted Parts 50 thru 15K PSI 15-5 PH stainless steel
20K thru 100K PSI PH 13-8 Mo SST
Weight 24 oz
Identification Laser etched onto body
Mounting May be supported by pressure connection

Mechanical characteristics

Pressure Connection 50 thru 15k PSI 1/4" NPT female
20K thru 50K PSI Autoclave Engineers F250-C, 1/4" High Pressure Tube
60K thru 100K PSI Autoclave Engineers F312-C, 5/16" High Pressure Tube
Proof Pressure 50 thru 0-15K PSI 1.5 times FSPR or 20K PSI, whichever is less
20K thru 0-100K PSI 1.2 times FSPR
Burst Pressure 50 thru 0-3K PSI 5 times FSPR
5K PSI 4 times FSPR
7.5K thru 10K PSI 2.7 times FSPR
15K PSI 2.3 times FSPR
20K thru 100K PSI 1.5 times FSPR or 125K PSI, whichever is less

Drawings

 

 

 

Model 245 Pressure Transmitter DigiComp

0-5 VDC, High Accuracy, 3 thru 5000 psi

Viatran's Model 245 DigiComp pressure sensor is among our most accurate pressure transmitters for industrial test and research applications. The 245 measures gage and absolute pressure from 3 PSI to 5,000 PSI (0.2 to 345 bar) with standard accuracy of ≤±0.06% FSO.

Model 245 Pressure Transmitter High Range

0-7500 thru 100K psi, 0-5Vdc output, 0.15% accuracy

Viatran's Model 245 High Range pressure sensor is among our most accurate pressure transmitters for industrial test and research applications at higher pressures. Improved accuracies are available, as well as improved temperature performance. 

Model 345 Pressure Transmitter High Range

0-7500 thru 100K psi, 4-20 mA output, 0.15% accuracy

Viatran's Model 345 High Range pressure sensor is among our most accurate pressure transmitters for industrial test and research applications at higher pressures. Improved accuracies are available, as well as improved temperature performance.

Model 345 Pressure Transmitter DigiComp

4-20 mA output, High Accuracy, 3 to 5000 psi

Viatran's Model 345 DigiComp pressure sensor is among our most accurate pressure transmitters for industrial test and research applications. The 345 measures gage and absolute pressure from 3 PSI to 5,000 PSI (0.2 to 345 bar) with standard accuracy of ≤±0.06% FSO.

Model 422 Pressure Transmitter

0-5 Vdc, 0-3 to 5000 psi
Designed for Overhead Junction Boxes

Model 422 is small in size, but packsa high-performance punch. The electronics and silicon sensor design have a combined accuracy of better than ±0.08%. 

Model 423 Pressure Transmitter

4-20 mA, 0-3 to 5000 psi
Designed for Overhead Junction Boxes

Model 423 is small in size, but packs a high-performance punch. The electronics and silicon sensor design have a combined accuracy of better than ±0.08%.

Model 424 Pressure Transmitter

0-5 Vdc, 0-3 to 5000 psi
For use in applications requiring small footprint

Developed for engine test stands with space constraints, the Model 424 is small in size, but packs a high-performance punch. The electronics and silicon sensor design have a combined accuracy of better than ±0.08%.
Available standard output is 0-5 Vdc for PSIA or 0.25 - 5.25
Vdc for PSIG measurements.

Model 570 Pressure Transmitter

4-20 mA, 0-100 psi thru 100K psi, Hazardous Approvals

570 provides a rugged, sealed solution for hazardous rated and harsh environments.

Model RM570 Pressure Transmitter

4-20 mA, 0-100 Bar thru 0-350 Bar

RM 570 transmitters provide a rugged, sealed solution for the harsh industrial environments found in Rolling Mills and the metals industry.

Model 770 Pressure Transmitter

0-5 Vdc output, Hazardous Location Approvals, 0-100 thru 100K psi

770 uses a solid machined diaphragm sensor, which provides excellent durability and repeatability. 770 has both IS and Explosion Proof approvals, and can measure pressures up to 100K psi. A wide variety of wetted surface materials, process connections and electrical connections are available, and special wiring configurations are easily accommodated.

Model 870 Pressure Transmitter

mv/V output, 0-100 thru 100K psi, Hazardous Location Approvals

870 employs a solid machined diaphragm sensor which provides a rugged and reliable solution with excellent repeatability and resistance to pressure spikes. 870 hazardous approval options include Intrinsically safe and Explosion proof for US, Canada and Atex.

Model 970 Pressure Transmitter

HART® output, 0-100 thru 100K psi, Hazardous Location Approvals

Designed for applications including offshore oil rigs, oil production platforms, natural gas pipelines and rig safety systems, 970 uses a solid machined stainless steel diaphragm.

Model 848 Pressure Transmitter

mv/V output, Hazardous Location Approvals, 0-1.5 thru 5K psi

848 is a mv/V output, oil fill sensor with hazardous location approvals. In ranges from 1.5 to 5K, the 848 is available in Vacuum, Absolute and Gage formats to cover a broad spectrum of applications.

Model 948 Pressure Transmitter

4-20 mA HART® Signal, Hazardous Location Approvals, 0-1.5 thru 5K psi

948 is Viatran's low pressure HART® transmitter with hazardous location approvals. Applications include fuel tank level, gas compressors, chemical processing.

Model 24B Pressure Transducer

0-5 Vdc output, 0-100 to 0-30K psi, Solid Machined Sensor

Viatran’s 24B is one of our most versatile pressure transducers for industrial applications. The 24B measures from 0-100 PSI to 0-30,000 PSI with standard linearity of ≤ ±0.25% FSO.

Model 34B Pressure Transmitter

4-20 mA output, 0-100 to 0-30K psi, Solid Machined Sensor

Viatran’s 34B is one of our most versatile pressure transducers for industrial applications. The 34B measures from 0-100 PSI to 0-30,000 PSI with standard linearity of ≤ ±0.25% FSO.

Model 249 Pressure Transmitter

Durable, dependable, accurate

Viatran’s “49” series is a robust, highly accurate pressure transmitter designed for the severe environments found in aerospace, engine test and fluid power control applications.

Model 349 Pressure Transmitter

Durable, dependable, accurate

Viatran’s “49” series is a robust, highly accurate pressure transmitter designed for the severe environments found in aerospace, engine test and fluid power control applications.

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