Smart Gauge Pressure Transmitter


Tek-Bar 3120B Smart Gauge Pressure Transmitter uses the world’s advance silicon pressure sensor technology and state of the art encapsulation technology. This is a high performance pressure transmitter with HART or Modbus RS485 communication protocol and is used to measure gauge pressure. It is used to measure liquid, gas, or steam flow as well as liquid level and density of medium. It has a high accuracy of up to 0.075% of URL and has IP66 water-proof protection.
  • Digital communication HART protocol or Modbus RS485
  • High accuracy up to ±0.075%
  • Various Output: 4-20 mA, digital signals with HART®️ Communication (Modbus RS485)
  • Multiple temperature and linearity compensation to improve accuracy
  • Fully-sealed and fully isolated silicon pressure sensor
  • Superior stainless steel process flange
  • Dual diaphragm overload protection, can easily cope with overload tests
  • 355° rotation display module
Pressure Type Gauge pressure
Accuracy ±0.075% F.S.
Diaphragm Materials Hastelloy C
Measuring Range 5 to 10000psig
Stability ±0.2 % URL/5 year
Process Connection ±0.075% F.S.
Wetted material 316 LLS and Hastelloy C
Working Humidity 5-100% RH at 104 °F
Output Signal 4 mA to 20 mA with HART®️ Communication (Optional Modbus RS485)
Mounting Position Effect Apply to any position. Max value lower than 1.6 w.c. (400 Pa) can be corrected by zero clearing function
Electrical connection ½” NPT Female conduit
Insulation Resistance ≥20 M Ω at 100VDC
Process Connection ¼” NPT Female
Enclosure Rating NEMA 4X (IP66); Optional IP68
Weight (excluding Option Items) 3.43 lb (1.55kg)
Testing Standard IEC60770
Media temperature Silicon oil filling: -40 °F to 248 °F (-40 °C to 120 °C)
Protection class IP66
Standard/flame proof 10.5-55 VDC
HART protocol 16.5-55 VDC, communication load resistance 250 Ω
Load resistance 0-2119 Ω for working condition, 250- 600 Ω for HART
Transmission distance <1000 m
Power consumption ≤500 mW at 24 VDC, 20.8 mA
Agency Approval CE, CSA Class I Div I
Smart Gauge Pressure Transmitter

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