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6 digits display
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RPM range: 0-25000RPM; RPM accuracy: ±50RPM
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Record total running hours and the timing range is 0-999999H, non-resettable
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Record partial time and the timing range is 0-999999H, resettable
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One maintenance reminder which can be set to 0-2000H
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Internal battery type: CR2450, capacity: 540mAh
Precision in Motion: Digital Tach Hour Meters for Engine and Equipment Monitoring
In modern engines, generators, and industrial machinery, understanding how fast and how long equipment runs is essential for reliable maintenance. Tach Hour Meters combine tachometer (RPM) measurement with elapsed-time tracking, providing engineers with complete operational visibility in one compact unit.
From handheld test systems to ruggedized engine panels, Amironic offers a full range of digital tach/hour meters — delivering accuracy, durability, and clear digital display for any power or motion-based system.
⚙️ Product Overview
Tach Hour Meters measure engine speed (RPM) and total runtime simultaneously, storing both data sets in non-volatile memory. Most models feature internal self-powered operation, making them ideal for off-grid, mobile, or vibration-intense environments.
🔩 Main Models and Features
PT16FM – IP67 LCD Tach/Hour Meter
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6-digit LCD display
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RPM range: 0–25,000 RPM (±50 RPM accuracy)
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Total hours: 0–999,999 h (non-resettable)
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Partial hours: 0–999,999 h (resettable)
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Maintenance reminder: adjustable 0–2000 h
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Power: internal CR2450 lithium cell (540 mAh)
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Protection: IP67 waterproof design for outdoor and engine applications
PT16 / PT15 / PT14
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Self-powered digital tach/hour meters for engines and portable machinery
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Compact design with surface-mount or panel-mount options
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Long battery life and vibration resistance
PT17 / PT18 – Digital Tach & Maintenance Hour Meters
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Dual-function tachometer and hour counter with maintenance interval alerts
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Ideal for industrial engines, agricultural equipment, and marine systems
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Clear LCD display and solid-state electronics
PT20 – Tachometer/Hour Meter Module
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Compact PCB-mount module version for OEM integration
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Supports RPM, elapsed time, and voltage input monitoring
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EEPROM memory ensures data retention even without power
T17 – Digital Tach/Hour Meter
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Reliable, low-power LCD model for compact applications
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Designed for engine runtime and rotational speed tracking
🧭 Key Applications
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Engine runtime monitoring (diesel, gasoline, hybrid)
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Generator and compressor maintenance scheduling
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Vibration-resistant tach/hour monitoring in vehicles and defense systems
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Industrial test benches and power equipment
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Marine, agricultural, and construction machinery
⚙️ Core Advantages
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Dual measurement – RPM and total operating hours
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Self-powered or battery-powered options
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Maintenance reminder alarms for service intervals
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Non-volatile memory – data retained after power loss
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Wide temperature and vibration tolerance
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Waterproof (IP67) and compact mounting formats
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No external wiring – fully self-contained operation
💡 Amironic Advantage
Amironic provides a comprehensive range of digital tach/hour meters designed for industrial, automotive, and defense environments.
Our portfolio covers everything from compact PCB modules to rugged IP67 field units — all engineered for accuracy, long life, and seamless integration into new or existing systems.
For datasheets, application advice, or cross-reference guidance, contact Amironic’s technical team — your partner for motion, time, and performance monitoring solutions.