Back to Amphenol

Amphenol i2s CCT High-Pressure/Temperature Sensors

Amphenol i2s CCT High-Pressure/Temperature Sensors are developed for the high pressures and temperatures in CO2 heat pumps (R744) primarily used for thermal management in vehicles with electric drive (EV). A digital single-wire interface (LIN) ensures reliable transmission of the pressure and temperature readings. A robust stainless steel design enables the sensor to withstand high pressures and temperatures, while a stainless steel pressure measuring element and specially developed additional correction function (for the temperature readings) enable high measuring accuracy.

Features

  • Robust design
    • Stainless steel design for high-pressure applications
    • Special sealing concept in the system
  • Proven stainless steel measuring element
    • Excellent long-term stability
    • High fluid compatibility due to the welded design
  • Temperature measurement directly inside the medium
    • Fast response time
    • High-temperature measurement accuracy is achieved through a special correction function
  • Application-specific evaluation electronics
    • Pressure and temperature signals are available via the digital single-wire interface (LIN).
    • Tried-and-tested automobile EMC/ESD resistance
    • Extended diagnostic and protection functions
    • Tested LIN 2.0 conformity with energy-saving mode (sleep mode)
  • Fully automated assembly
    • Cost-effective
    • Large quantities can be produced

Applications

  • Air conditioning systems
  • Heat pumps with the refrigerant CO2 (R744)
  • Thermal management (battery) in EV

Specifications

  • Measurement ranges
    • 0–10 to 0–200 bar nominal pressure
    • 2x nominal pressure overpressure
    • 3× nominal pressure burst pressure
    • Relative pressure type
  • Electrical
    • 9V to 16V supply voltage range
    • 10mA maximum current consumption
    • LIN 2.0 output signals
  • Mechanical
    • Stainless steel cell measuring element with resistive measuring bridge
    • Stainless steel housing material
    • HEX 24, M18x1 pressure connection
    • Male thread
    • 3-pin MQS plug electrical connection
    • Install in any position
  • Accuracy
    • Total pressure error
      • ±0.5% FS from 0°C to +90°C
      • ±1% FS from -40°C to +140°C
    • ±1K total temperature error
    • 3s response time (t90)
  • Environmental
    • -40°C to +140°C operating temperature range
    • -40°C to +165°C (+180°C) media temperature range
    • R744 media compatibility

Dimensions

Amphenol i2s CCT High-Pressure/Temperature Sensors
Published: 2023-11-17 | Updated: 2023-11-30