Hammer Union Pressure Transmitters

Model 809 Hammer Union Pressure Transmitter

Model 809 Hammer Union Pressure Transmitter

809 is the version of 09 series with no signal conditioner. A variety of sensor materials and electrical connections are available.

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.

If you need more information do not hesitate to contact us.

Viatran Configuration Code:


Full Scale Pressure Ranges:
0-5K, 10K, 15K, 20K PSIG (0-345, 689, 1034, 1379 bar)
Combined Accuracy (BFSL):
(Non-Linearity, Hysteresis & Repeatability) ≤± 0.25% FSO
Full Scale Output (FSO):
30 mVC ±1% FSO at 10 V excitation
Zero Balance: 0 Vdc ±1% FSO
Compensated Temperature Range: -20°F to 185°F (-29°C to 85°C)
Operating Temperature Range: -40°F to 250°F (-40°C to 121°C)
Storage Temperature Range: -67°F to 302°F (-55°C to 150°C)
Long Term Stability (%FSO): ≤±0.25% FSO per 6 months
Thermal Effect on Zero: ≤±1% FSO per 100°F (37°C)
  Thermal Effect on Span: ≤±1% FSO per 100°F (37°C)


Output Signal:
3 mV/Volt at 70°F (21°C)
Supply Voltage:
10 Vdc nominal (15 Vdc max)
Power Supply Regulation:
Output varies with input (calibrated at 10 Vdc)
Load Impedance: 350,000 Ohms minimum for <0.1% FSO attenuation
Circuit Protection: Varistor protected across the input leads for surges above 34V to 20a. @ 0.02 milliseconds
  Insulation Resistance: ≥100 MegOhms to case ground
  Response Time: ≤2.5 mSec to reach 90% of FSO
  Range Calibration Signal: 100% of FSPR
  Calibration Power: Short pins E & F
  Calibration Signal Accuracy: ≤±0.2% FSO. The exact signal to pressure correlation is provided with each unit
  Bridge Resistance: 10K Ohms nominal
  Standard Electrical Connection: Mates with Bendix P/N PT06E-10-6S or equivalent
  PIN OUTS: PIN A +Power

PIN B -Power

PIN C +Signal

PIN D -Signal

PIN E Calibration

PIN F Calibration

Some models are provided with customer specified wiring. Consult Viatran for exact wiring connections.


Standard Pressure Port:
Male hammer union 2 inch #1502
Pressure Cavity Volume:
0.4 cubic inches
Shock Sensitivity: 100 G’s
Proof Pressure: 1.67 times the FS or 22.5K PSI (1550 bar) for union #1502
30K PSI (2068 bar) for union #2002 whichever is less
Burst Pressure:

≥3 times FSPR, limited by union #1502: 22.5K PSI (1550 bar)


Wetted Materials:

Inconel X-750, heat treated per MR0175-2000

Enclosure Material:

304 stainless steel
Laser etched onto body
Enclosure Rating: NEMA 4X
Weight: 5.5 lbs nominal (2.4 kg)



Special range


Special calibration run


CE label


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