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Honeywell LMHH4ASH21 LCD Hour Meter Counter
Honeywell’s LM Series MCU (microcontroller unit) LCD (liquid crystal display) Hour Meters and Counters are sealed digital instruments designed to monitor and record elapsed running time, typically displayed in hours and tenths of hours. These devices are ideal for tracking equipment usage in transportation applications, ensuring proper maintenance, warranty claims, and rental-use tracking. The LM Series offers features like a 40-year memory data retention, a large 7 mm display, backlight options, and customizable bezel options. They are built for harsh environments with IP67 (front)/IP66 (rear) sealing and offer shock and vibration resistance.
Honeywell LMHH4ASH21 LCD Hour Meter Counter Specifications:
- Digital range hours: 0 to 99,999.9 hours with auto turn over
- Digital range counts: 0 to 999,999 counts with auto turn over
- Digital height: 7 mm
- Backlight color: optional blue
- View angle: 12 o’clock
- Running indicator: yes
- Accuracy: ±200 ppm/hour
- Operating voltage range: 9 V to 64 V dc/ac (50 Hz to 500 Hz); 50 Hz for counter enable
- Sealing: IP67 (front); IP66 (back)
- Shock: 55 g per SAE J1378; 75 g per MIL-M-3917D
- Vibration: 20 g per SAE J1378; 10 g per MIL-M-3917D
- Humidity: 95 % non-condensing at 38 °C [100.4 °F]
- Operating temperature: -40 °C to 85 °C [-40 °F to 185 °F]
- Storage temperature: -50 °C to 90 °C [-58 °F to 190 °F]
- Load dump: yes
- Inductive: yes
- Transient immunity: yes
- EMI: yes
- Reverse polarity: yes
- Power consumption: 0.8 mA @ 12 Vdc
- Start time: <1 s; if including all “8” check, then >1 s
- Case material: Makroblend
- Lens material: Lexan
- Case depth: 1.35 in (including terminals)
- Termination: 1/4 in blade (straight and bending); 3/16 in blade (straight and bending)
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Frequently Asked Questions
Where can I buy Honeywell LMHH4ASH21?
You can click on the BUY or RFQ button to purchase LMHH4ASH21 from an authorized Honeywell distributor.
How do I troubleshoot issues or seek technical support for part LMHH4ASH21?
You can download the LMHH4ASH21 datasheet or visit the Honeywell website for support.
Who is the manufacturer of LMHH4ASH21?
Honeywell