SISCO engine hour meter supports a wide voltage range of 100–240V AC and features automatic timing that starts when power is turned on, ensuring simple and hands-free operation in real applications. The engine hour meter provides a wide timing range from 0 to 999999H59M with high timing accuracy of ±0.01, making it suitable for long-term monitoring and maintenance scheduling. It is also equipped with a reset function via a zeroing button, offering flexible usage for different testing, maintenance, and equipment management needs.

Flexible Installation with Precision Reset Functionality

Wide-Voltage Compatibility and Reliable Performance
AC hour meter can be used on home generators, industrial generators, air compressors, and other types of equipment. It accurately records operating time, making it easier to manage maintenance schedules, evaluate equipment performance, and extend service life.
| Model | SISCO-HM-1R |
| Time Limit | 0-999999H59M |
| Timing Method | Start Timing When Power is Turned on |
| Timing Accuracy | ±0.01 |
| Zeroing Device | With Zero Reset Button |
| Ambient Temperature | -10℃~50℃ |
| Operating Voltage | 100~240V AC |
| Weight | 0.068kg |
| Scope of Application | Suitable for Home Generators, Industrial Generators, Air Compressors, etc. |


Q1: What is an engine hour meter?
A1: An engine hour meter is a device that records the total amount of time an engine has been running. It helps track actual operating hours instead of mileage or calendar time, which makes it easier to schedule maintenance and service at the right intervals. It is commonly used on equipment like generators, tractors, boats, and construction machinery to improve reliability and prevent unexpected breakdowns.
Q2: What is a digital hour meter?
A2: A digital hour meter is an electronic device that records and displays the total operating time of a machine or equipment. It shows the accumulated hours on a digital screen, helping users easily track usage for maintenance, servicing, and performance management.
Q3: What is the advantage of a digital hour meter?
A3: A digital hour meter has several key advantages over traditional mechanical or analog versions. First, it provides more accurate and stable time tracking, so you get reliable operating-hour data for maintenance planning. Second, it usually comes with a clear digital display, making it easy to read at a glance without misinterpretation. Third, many models have low power consumption and long service life, so they can run continuously with minimal maintenance. Finally, a digital hour meter is often easy to install and compatible with different types of equipment, which makes it a practical choice for generators, machines, and industrial systems.
Tips: Where should I install an engine hour meter?
An engine hour meter should be installed on the engine's ignition circuit or power source so it only records time when the engine is actually running. This ensures accurate tracking of real operating hours.
For best results, mount it in a dry, secure, and easily visible location on the control panel or dashboard, away from heat, vibration, and moisture.
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