CCT pressure sensor For vehicle climate control systems DESCRIPTION The Climate Control Pressure Transmitter (CCT) was specially designed for measuring the pressure of vehicle coolants. The hermetically sealed, robust aluminium case makes this sensor an affordable solution for vehicle climate control systems. Its high-quality stainless steel measurement element makes the CCT not only compatible with a broad range of media, but also ideal for high-pressure applications (R744). Its innovative evalua- tion electronics provides reliable, precise measurement data over a broad temperature range. Specially adapted to meet the needs of the automobile industry, the CCT also fulfils current EMC and ESD regulations. FIELDS OF APPLICATION Climate control in HFO 1234yf and R134a systems R744 high pressure systems Compressor protection KEY FEATURES BENEFITS Excellent long-term stability Specially developed stainless steel measurement element High media compatibility Automobile-tested EMC / ESD resistance Enhanced diagnostic and protective functions Application-specific evaluation electronics Tested LIN 2.1 conformity including power-saving mode (sleep mode) Corrosion resistant Tested aluminium casing Low weight Affordable Large number of available analogue and digital Easy integration in existing systems output signalsVersion: Oct. 2016 Technical specification CCT pressure sensor Pressure ranges Accuracy Nominal pressure 10 100 bar 0.5 % FS (0 90 C) 2) Total error 1 % FS (-40 125 C) Overpressure 2 x nominal pressure Bursting pressure 3 x nominal pressure Environmental conditions Electrical characteristics Operating temperature -40 125 C (150 C) range Supply voltage 8 18 V Supply current max. 10 mA Media temperature -40 125 C (150 C) range LIN 1.3 / LIN 2.1 R134a, PAG oil, HFO- Media compatibility Output signal PWM 3) 1234yf, R744 0.5 4.5 V, ratiometric 6 kV to contacts ESD (DIN EN 61000-4-2) 15 kV to case up to 40 V (LIN) Overvoltage protection 18 V (PWM) 250 V/m (Stripline) EMC (ISO 11452) 150 mA (BCI) Reverse polarity - 18 V protection Dimension Mechanical characteristics Stainless steel cell with Measurement element resistive measuring bridge Case material Aluminium HEX 24, M10 x 1.25 Pressure connection 1) female thread Electrical 1) RD plug HEX 24 mm connection Installation position Arbitrary Weight Approx. 25 g 1) Other pressure and electrical connections available on request 2) Covers repeatability, hysteresis, non-linearity (TBL), calibration and temperature effects depending on the pressure and temperature range 3) Available on request Intelligente Sensorsysteme Dresden GmbH Zur Wetterwarte 50 01109 Dresden / Germany Phone +49 (0) 351 / 88 596 - 0 Fax +49 (0) 351 / 88 596 - 36 info i2s-sensors.de www.i2s-sensors.de max. 52 mm