Telemecanique Sensors Air, Fresh Water, Gas, Hydraulic Oil, Refrigeration Fluid Differential Pressure Switch, Analogue. Pressure Range: -1 → 9bar. Supply Voltage: 12 → 24 V dc. Minimum Pressure Reading: -1bar. Maximum Pressure Reading: 9bar. Analogue Output: 4 → 20 mA. Electrical Connection: 4-Pin Male Connector. Minimum Operating Temperature: -30°C. Maximum Operating Temperature: +85°C. Accuracy: ±0.5 %. Response Time: 2 ms. Maximum Current: 20 mA. Mounting Type: Threaded Mount. MPN: XMLPM09BD21F