Hour Meters

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Waterproof Tach Hour Meter

SISCO-ZSB-03

Waterproof tach hour meter operates on DC 3V and features a speed measuring range of 0–30,000 RPM with 0.1 RPM resolution. It provides high accuracy up to 1% and supports multi-function tachometer measurements for 2-cylinder 4-stroke engines. Equipped with a 1-meter induction cable and an easy-to-read LCD display.

$49.81

Resettable Hour Meter With LCD

SISCO-ZSB-2301

Resettable hour meter provides accurate engine runtime monitoring from 0 to 99999.9 hours with 1-minute resolution. Powered by a DC 3V battery and featuring ultra-low power consumption, it combines an hour meter, tachometer (0-30000 RPM), and maintenance reminder with 5H/10H countdown settings.

$55.97

Industrial Hour Meter For Air Compressor, AC 220V-240V

SISCO-IHM-AC

Designed for dependable runtime monitoring, industrial hour meter accurately records equipment operating hours on AC 220V–240V systems. The built-in memory function preserves data during power outages, ensuring long-term tracking without interruption. This hour meter removable panel simplifies installation and maintenance, making it suitable for generators, diesel engines, air compressors, and industrial machinery. An excellent choice for preventive maintenance and equipment management.

$53.18

Outboard Hour Meter For Lawn Mower, IP68

SISCO-LSQ-01

Designed for reliable engine maintenance monitoring, outboard hour meter records operating hours up to 9999.9 h with high accuracy. Equipped with an easy-to-read LCD screen, IP68 waterproof housing, and battery-powered operation, it is suitable for lawn mowers, hedge trimmers, chainsaws, off-road motorcycles, and marine engines and so on.

$46.75

Digital Engine Hour Meter, AC 100-240V

SISCO-HM-1R

Digital hour meter is a multifunctional runtime tracking device designed to accurately record equipment operating hours. It supports a wide voltage range of 100–240V AC and integrates high-precision timing with automatic start when power is turned on. Engine hour meter features a wide timing range of 0–999999H59M, timing accuracy of ±0.01, and a reset function with a zeroing button for flexible usage.

$59.11

Motorcycle Hour Meter, 0-30000RPM, 0-99999H

SISCO-ZSB

Shop SISCO motorcycle hour meter online. This hour meter compact digital tachometers feature a high-precision speed measurement range of 0–30,000 RPM and an extended timing capability of up to 99,999 hours, making them suitable for continuous industrial and laboratory monitoring applications. Powered by a low-voltage DC 3 V supply and consuming only 0.00005–0.021 W, hour meter series ensures ultra-low power operation for long-term use.

$50.92

Inductive Hour Meter For Engine

SISCO-ZSB-02-BL

Inductive hour meter is a compact digital timing and sensing device featuring a DC 3 V low-power design with ultra-low power consumption of 0.00005-0.021 W. The hour meter for engine offers a wide timing range of 0–99999 hours with an LCD for clear real-time reading and 0.1 H resolution for precise tracking.

$57.08

Mechanical Hour Meter, AC/DC

SISCO-HM-4

Buy online mechanical hour meter with high reliability and stable performance, designed for accurate powered-on time tracking. Features wide power supply voltage range of 10–60V / 60–140V / 140–250V and ultra-low power consumption of only 1W, ensuring energy-efficient operation in various industrial environments.

$61.53

An hour meter is a device used to record the total running time of equipment. It helps schedule maintenance, prevent machine failure, and improve operational efficiency. Hour meters are commonly used in generators, construction machinery, agricultural equipment, and industrial systems.

AC vs DC Hour Meters

AC Hour Meters: AC hour meters are designed to work with alternating current power systems, typically in the 110–240V AC range. They are commonly used in stationary industrial equipment such as air compressors, generators, and factory machines. Because they are built for stable mains power environments, AC hour meters are usually installed in control panels or fixed equipment setups where continuous runtime tracking is needed.

DC Hour Meters: DC hour meters are designed for direct current systems, usually operating on low voltages such as 5V, 12V, or 24V DC. They are widely used in mobile and engine-driven equipment like cars, motorcycles, tractors, and marine engines. Since DC systems often involve vibration and outdoor conditions, DC hour meters are typically compact, durable, and suitable for portable or vehicle-based applications.

Hour Meters Comparison Table

Model	Power Supply	Key Feature	Protection / Function	Typical Application
SISCO-ZSB-03	DC 3V	Compact waterproof tach, hour tracking	Waterproof design	Small DC systems, compact devices
SISCO-ZSB-2301	DC 3V	LCD display with reset function (5H/10H cycle)	Resettable timing	Testing equipment, service cycles
SISCO-IHM-AC	AC 220–240V	Stable industrial runtime tracking	Heavy-duty industrial use	Air compressors, factory machines
SISCO-LSQ-01	DC 3V	High protection level	IP68 waterproof	Lawn mower, outdoor engines
SISCO-HM-1R	AC 100–240V	Wide voltage digital display	Universal AC compatibility	Engines, industrial equipment
SISCO-ZSB	DC 3V	RPM + hour tracking (0–30000 RPM)	Multi-function monitoring	Motorcycles, small engines
SISCO-ZSB-02-BL	DC 3V	Non-contact induction sensing	Stable engine detection	Engines, machinery monitoring
SISCO-HM-4	AC/DC 10-250V	No power required, mechanical operation	Long lifespan, vibration resistant	Generators, basic industrial equipment

How to Choose the Right Hour Meter?

Choosing the correct hour meter ensures accurate runtime tracking and reliable maintenance planning. A mismatch in voltage, installation type, or environment can lead to incorrect readings, device failure, or shortened lifespan.

Step 1: Identify Your Power Source

The first and most important selection factor is electrical compatibility.

AC Hour Meters → Used in industrial equipment, compressors, generators
DC Hour Meters → Used in vehicles, engines, battery-powered systems
AC/DC Universal Hour Meters → Flexible option for multiple systems

If the voltage does not match, the hour meter may not function correctly or may be damaged.

Step 2: Choose the Display Type

Different display types suit different usage environments.

Mechanical Hour Meters:

No external power required
Simple and durable structure
Best for basic or rugged applications

Digital Hour Meters:

LCD or LED display
Higher readability
Often includes extra functions like reset or memory

Step 3: Select Installation Type

The installation method must match your equipment design.

Panel Mount → Installed into dashboards or control panels
Surface Mount → Mounted externally on equipment housing
Snap-in Type → Quick installation for compact systems

Step 4: Consider Environmental Conditions

Environmental resistance is critical for long-term performance.

Standard Indoor Use → Basic protection required
Outdoor / Waterproof (IP-rated) → Protection against water, dust, and humidity
High Vibration Environments → Required for construction, agriculture, and engines

Step 5: Decide if You Need a Reset Function

Non-resettable Hour Meters → Track total lifetime runtime (maintenance logging)
Resettable Hour Meters → Used for test cycles, rental equipment, or service intervals

Step 6: Match by Application

Choosing based on use case makes selection easier:

Generators → AC mechanical or industrial digital models
Construction Equipment → DC or waterproof digital models
Agricultural Machinery → Vibration-resistant models
Marine Equipment → Waterproof IP-rated hour meters
Industrial Systems → Panel-mounted digital hour meters