High pressure transmitters

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.

Inquiry system 

Configure your own product according to your requirements and needs. If you are unsure of the configuration, provide us in the notes the necessary information about the existing sensor or product, even a competitor. We will be happy to help you find an alternative Viatran product. If your request is urgent, let us know. We will do our best to help you resolve this situation to your satisfaction as quickly as possible. If we have all the information, we are able to offer a model with minor differences, which is in stock and you can have another product available the next day.

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Viatran Configuration Code:

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  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


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 -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 The exact signal to pressure correlation is provided with each unit

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


Pressure Connections

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

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

Shock Limitation 100G’s
  Weight 24 oz
  Enclosure Materials

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 Materials

50 thru 15K PSI
15-5 PH stainless steel

20K thru 100K PSI
PH 13-8 Mo SST

  Enclosure Classification NEMA/Type 4x