1The product supports multiple engine protection functions, engine overspeed protection; low oil pressure protection; high oil temperature protection; high water temperature protection; low battery voltage alarm 2The multi-function detector panel can support display: engine speed; oil pressure; oil temperature; engine cooling water temperature; battery voltage 3Various sensor curves are optional to help you understand the running state of the engine 4Support custom sensor curve, so you can monitor the engine more carefully 5The display uses high-brightness digital tubes to display the measured values and read the data more clearly Item Type:Engine MeterGM50H Engine Digital Display Multi-function Table: 1. With multiple protection functions2. Speed converted from generating frequency3. Built-in multiple sensor curve optional4. Customizable sensor parameter curve5. Highlight the digital tube to display the measured value6. English and symbolic instructions7. Panel keys to set and modify system parametersParameter Display: 1. Engine speed; 2. Engine oil pressure 3. Engine oil temperature; 4. Engine cooling water temperature; 5. Battery voltage; 6. Cumulative working timeProtective Function: 1. Engine overspeed protection; 2. Low oil pressure protection; 3. High oil temperature protection; 4. High water temperature protection; 5. Low battery voltage alarm.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%;5. Accuracy Of Battery Voltage Measurement: Error 1% (within range);6. Accumulated Time Range: 0-9999 hours;Specifications: Power Supply: DC8 36 VPower Consumption: Maximal: 1 WSensor Input Resistance: 0 1000 ohmSpeed input Signal Frequency Range: Freq 300Hz 15kHzSpeed input Signal Amplitude Range: AC 3 16VInput Generating Frequency: Freq 45 70HzInput Generating Voltage: AC40 280VAlarm Output: Negative output, maximum DC1AWorking 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 3inHole Size(W x H): Approx. 91 x 91mm / 3.6 x 3.6inWeight: Approx. 150g / 5.3oz 1 xEngine Meter2 x Green Module2 x Fixing Screws Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.