GM50H Engine Digital Display Meter Multifunctional High Accuracy Generator Accessories Item Type: Engine MeterGM50H Engine Digital Display Multi-function Table: 1. With multiple protection functions 2. Speed converted from generating frequency 4. Customizable sensor parameter curve 5. Highlight the digital tube to display the measured value 6. English and symbolic instructions 7. Panel keys to set and modify system parameters Parameter Display: Protective Function: Range and Accuracy: 1. Speed measurement Accuracy: Error ≤± 1% (within range); 2. Oil Pressure Measurement Accuracy: 0-1100KPA, error ≤± 2.5%; 3. Water Temperature Measurement Accuracy: 10-120 degrees Celsius, error ≤ ± 2.5%; 4. Oil Temperature Measurement Accuracy: 10-150 degrees Celsius, error ≤ ± 2.5%; 6. Accumulated Time Range: 0-9999 hours; Specifications: Power Supply: DC8 ～ 36 V Power Consumption: Maximal: 1 W Sensor Input Resistance: 0 ～ 1000 ohm Speed input Signal Frequency Range: Freq 300Hz ～ 15kHz Speed input Signal Amplitude Range: AC 3 ～ 16V Input Generating Frequency: Freq 45 ～ 70Hz Alarm Output: Negative output, maximum DC1A Working Environment Temperature: -20 ～ 65 ℃; Storage Environment Temperature: -40 ～ 85 ℃; Protection Level: IP54 (front panel after installation); Size(W x H x D): Approx. 100 x 100 x 77mm / 3.9 x 3.9 x 3in Hole Size(W x H): Approx. 91 x 91mm / 3.6 x 3.6in Weight: Approx. 150g / 5.3oz