Multi-purpose pressure transmitters

Model 347 Pressure Transmitter

Model 347 Pressure Transmitter

Model 347's are found in oil and gas, hydraulic control, test and many other applications requiring stable and reliable pressure measurements with good accuracy at a fair price.  They can be configured in a variety of ways - from a sealed housing with a cable to allow it to be used in out of doors environments to a unit ranged to allow for high pressure spikes with a solid machined diaphragm.  We welcome your inquiries to provide you with a solution tailored to your needs.

Poptávkový systém

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Viatran Configuration Code:

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Full Scale Pressure Ranges:
0-15, 30, 50, 75, 100, 200, 300, 500 PSIA
0-3, 5, 10, 15, 30, 50, 75, 100, 200, 300, 400, 500, 750, 1,000, 1,500 PSIG
2K, 3K, 4K, 5K, 7.5K, 10K, 15K, 20K PSIS
0-5,10 & 15 PSIV*
Nonlinearity (Best Fit Straight Line)
≤±0.50% FSO
Improved Accuracy (Non Linearity) ±0.35%** ** Range Dependen
Hysteresis  <0.25% FSO
  Full Scale Output (FSO) 16 mA ±2% at 70°F (21°C)
  Resolution Infinite

Long Term Stability

≤±0.5% FSO per 6 months
  Compensated Temperature Range 70°F to 170°F (21°C to 76°C)
  Operating Temperature Range

-20°F (-28°C) - to 200°F (93°C)

  Storage Temperature Limits -40°F to 250°F (-40°C to 121°C)
Temperature Effect on Zero ≤±2% FSO per 100°F Typical
  Temperature Effect on Span ≤±2% FSO per 100°F Typical
Zero Adjust ±5% of FSO (nominal)
* For PSIV and Compound Range units
zero is ≤±3.0% per 100°F


Supply Voltage:
8 to 30 Vdc
  Power Supply Regulation ≤±0.08% FSO per Volt
  Output Signal

4 to 20 mA

Load Impedance 1050 Ohms max at 30 Vdc
  Circuit Protection Reverse polarity protected. CE marked
RFI / EMI CE EMC compliant as per IEC EN 61326-1 and EN 61326-2-3 Annex BB

Voltage Spike

Withstand 1000 volt spike per EN 61000-4-5
Insulation Resistance <5 nS conductance
Input current 4-20 mA
Response Time <2 mSec for 10-90% change in output

Wire Color Code

Pin 1 +Power / Signal
Pin 2 - Power / Signal
Pin 3 No Connection
Ground Spade Case groun


Pressure Connection
1/4” NPT female
Proof Pressure
≤200 PSI 3x ≥ 300 PSI 1.5 times FSPR or 25K PSI (1723 bar), whichever is less
  Burst Pressure 5 times FSPR or 30K PSI (2068 bar), whichever is less
  Pressure Cavity Volume

0.06 cubic inches, nominal

  Mounting May be supported by process pipin




Wetted Materials:

0-3 thru 200 PSI (0-1.0 thru 13.7 bar) - 316L stainless steel
0 - 300 PSI (20.6 bar) and above - 15-5PH stainless stee
Synthetic label
  Weight: 8 oz nominal silicon sensor, 10.5 oz nominal (strain gage)