Features: 1Used for measuring and displaying engine speed, water temperature, oil temperature, oil pressure, battery voltage and cumulative engine operation 2Parameters can be adjusted and set by keys to meet the needs of different applications 3With RS485 interface, you can monitor engine parameters and set operating parameters through PC software, and you can monitor engine parameters and set operating parameters through PC software 4With multiple protection functions and remote data monitoring function 5With power frequency conversion speed, built?in multiple sensor curves are optional, sensor parameter curves can be customized 6Highlighted digital tube can display measured values, English and symbolic instructions, panel keys can set and modify system parameters Item Type: Generator Panel Digital Meter Parameter Display: Engine speed Engine oil pressure Engine oil temperature Engine cooling water temperature Battery voltage Cumulative working time Protective Function: Engine overspeed protection Low oil pressure protection High oil temperature protection High water temperature protection Low battery voltage alarm Range and Accuracy: Speed Measurement Accuracy: Error 1%(within range) Oil Pressure Measurement Accuracy: 0-1000KPA, error 2.5% Water Temperature Measurement Accuracy: 20-100, error 2.5% Oil Temperature Measurement Accuracy: 20-150, error 2.5% Accuracy of Battery Voltage Measurement: 1% (within range) Accumulated Time Range: 0-999999 hours (minimum recording 0.1 hours) Specifications: Power Supply: DC8-36V Power Consumption: Maximal, 1.5W Sensor Resistance: 0-1000 ohm Speed input Signal Frequency Range: 50Hz-10kHz Speed input Signal Amplitude Range: AC3-65V Input Power Generation Signal: AC40 -280V (45-70Hz) Alarm Output: Passive contact output, maximum DC3A Working Environment Temperature: -20-65 Storage Environment Temperature: -40 -85 Protection Level: IP54 (front panel after installation) Dimensions (W x H x D): Approx. 100 x 100 x 67mm / 3.9 x 3.9 x 2.6in Opening Size (W x H): Approx. 91 x 91mm / 3.6 x 3.6in 1 x Table2 x Fixing Screw3 x Green Module2 x Resistance1 x Chinese and English User Manual