The IMP pressure transducer in the configuration specified below is specifically designed for demanding HVAC/R applications, offering reliable performance and accuracy in measuring gauge pressures up to 400 psi. This transducer features a ratiometric 0.5 to 4.5V output signal, making it compatible with a wide range of HVAC/R control systems and data acquisition devices. The ratiometric output ensures that the output voltage is directly proportional to the supply voltage, providing stable and accurate readings even with fluctuations in the power supply. This is particularly important in industrial environments where voltage variations can be common.
This pressure transducer is suitable for a wide variety of HVAC/R applications, including:
- Refrigeration systems: Monitoring refrigerant pressures in commercial and industrial refrigeration units, ensuring optimal cooling efficiency and preventing system failures.
- Air conditioning systems: Measuring pressures in air conditioning units and chillers, enabling precise control of refrigerant flow and maintaining comfortable indoor temperatures.
- Heat pumps: Monitoring pressures in heat pump systems to optimize heating and cooling cycles, maximizing energy efficiency.
- Building automation systems: Integrating the IMP into building automation systems to monitor and control HVAC/R equipment, improving overall building performance.
The IMP‘s compact size and M12 electrical connection allow for easy integration into existing HVAC/R systems. The transducer is compatible with a 5V dc power supply, making it a versatile solution for various applications.

IMP Industrial Pressure Transmitter
- Part No: IMP-GP400-9B2-GCV-00-000
- Pressure Datum: Gauge
- Pressure Range: 0 – 400 psi
- Output: 0.5 to 4.5V / 3-wire
- Accuracy (Combined NL&H): <±0.1% / FS
- Accuracy (Thermal Zero Shift): <±0.02% / FS / °C
- Electrical Connection: M12 x 1, 4 pin connector
- Process Connection: 1/4″ NPT male
- O Ring Material: Viton
- Cable Length (Metres): No Cable
- Specials Code: No Special Requirements
- Diaphragm Material: Aluminium Oxide 96% (Ceramic Al2O3)
- Process Connection Material: 303 Stainless Steel
- Media Temperature: -20 to +135°C
- Operating Temperature: -20 to +80°C
- Supply Voltage: 5V dc