High performance pressure transducer

Model 38M Barometric Pressure Transmitter

Model 38M Barometric Pressure Transmitter

Viatran's Model 38M pressure sensor is among our most accurate pressure transmitters for industrial test and research applications. The 38M measures barometric pressure from 850 to 1080 mBarA with Improved Accuracy (Non Linearity) of ≤±0.06% FSO available. 



Full Scale Pressure Ranges (FSPR):
850 to 1080 mBar Absolute
(Optional ranges can be factory set from 0 to 1080 mBarA with a minimum 240 mBarA span)
Nonlinearity (Best Fit Straight Line):
≤±0.1% FSO (≤±0.06% FSO with DN option)
  Static Error Band: ≤±0.21% FSO (Includes BFSL, Hysteresis and Repeatability by RSS)
≤±0.18% FSO each


≤±0.18% FSO each

Full Scale Output (FSO):

16 mA at 21°C (70°F) ≤±0.5% FSO standard
Long Term Stability: ≤±0.9% FSO per 6 months
  Compensated Temperature Range: 0° to 77° C (32°F to 170°F)
  Process Media Temperature Range: -40°C to 121°C (-40°F to 250°F)
  Ambient Operating Temperature Range: -40°C to 85°C (-40°F to 185°F)
Storage Temperature Limits: -40°C to 85°C (-40°F to 185°F)
  Temperature Effect on Zero: ≤±0.01% FSO per .556°C (1°F)
  Temperature Effect on Span: ≤±0.01% FSO per .556°C (1°F)



Supply Voltage:
8 to 30 Vdc
Power Supply Regulation:
≤±0.01% FSO per volt change over the supply voltage range
Output Signal:
4 - 20 mA
  Load Resistance: 1050 Ohms max at 30 Vdc
  Calibration Signal (isolated): 100%±10% of FSPR
  Calibration Signal (accuracy): ≤±0.1% of the stated value (marked on unit housing)

Circuit Protection:

Input polarity may be reversed. Output may be short-circuited indefinitely Over voltage protection to 1000 volts according to EN61000-4-5

Insulation Resistance

<5 nS to case ground

Response Time

<2 mSec to reach 90% of full scale

RFI / EMI Suppression

CE EMC compliant per IEC EN 61326-1 & 61326-2-3 Annex BB, CE marked

Electrical Connection

Bendix / Amphenol PT02E-10-6P, mates PT06E-10-6S (SR)

Pin Outs

Pin A + Power / Signal
Pin B - Power / Signal
Pin C Calibrate
Pin D Calibrate
Pin E No Connection
Pin F No Connection






Wetted Parts
316 stainless steel
304 SS with an Aluminum alloy, black zinc-cobalt plated electrical connector
283 g (10 oz)
  Identification Laser etched onto body



Pressure Connection:
G-1/4 female
Proof Pressure:
3100 mBar (45 PSI)
Burst Pressure:
5170 mBar (75 PSI)

Pressure Cavity Volume:

1.5 mL


May be supported by process piping