The CP 400 /420 Dual Sensor Pressure Calibrator provides unmatched pressure measurement flexibility with 0.025%FS accuracy on both internal,isolated,stainless steel pressure sensors. An external pressure module connection supports all BetaPort -P pressure modules for even greater measurement capability. A Pt100 RTD input is provided for temperature measurements accurate to 0.1°C (0.2 °F).In addition,the CP 400 /420 measures 4-20 mA loop current and up to 30 VDC.