Procurement teams shortlist H7ET-NV-BH with Omron SMPS 24V 10A, Omron H7Ec N and Omron Photoelectric Sensors E3T Series, aligning budget approvals, warranty terms, and multisite availability for smoother rollout across plants.
Omron H7ET-NV-BH Counter
The Omron H7ET-NV-BH Counter is a backlit time counter designed for installations where high visibility is essential, even in dim environments. It supports wide timing ranges up to 999999.9 hours or 3999 days 23.9 hours, ensuring reliable long-term monitoring. With voltage input support from 4.5 to 30 VDC and a dependable 20 ms reset response, it integrates smoothly with automation signals. Its IP66-rated front and robust shock, vibration, and noise immunity offer stable field performance. Manufactured by Omron and included under Omron Counter categories, this model is part of the Omron H7ET Series.
| Brand | Omron |
| Product | Counters |
| Model Number | H7ET-NV-BH |
Omron H7ET-NV-BH Counter - Technical Specifications
| Specification | Value |
|---|---|
| Function | Time Counter |
| Input signal | Count input, Reset |
| No-voltage input (Contact inputοΌ | Hight level: 4.5 to 30 VDC Low level: 0 to 2 VDC (Input resistance Approx. 4.7 kΞ©) |
| Display method | Backlit transmissive LCD |
| Display Digits | 7 digit |
| External connections | Screw terminal |
| Counter Reset system | External and manual reset |
| Input mode | Voltage input |
| Display Character height | 8.6 mm (Black) |
| Display Zero suppression | Equipped |
| Time counter ranges | Increment (UP) |
| counter Time ranges | 0.0 h to 999999.9 h/0.0 h to 3999 d 23.9 h (selectable) |
| Time counter Set value read selector | Β±100 ppm (25 β) |
| External/Manual Reset time | 20 ms |
| Ambient temperature (Storage) | -10 to 55 β (with no freezing or condensation) |
| Ambient humidity (Operating) | 25 to 85 % |
| Dielectric withstand voltage | Between current carrying terminals and exposed non-current carrying metal parts: 1000 VAC 50/60 Hz 1 min Between backlight power terminals and timer input/reset terminals: 1000 VAC 50/60 Hz 1 min |
| Impulse withstand voltage | Between current carrying terminals and exposed non-current carrying metal parts: 4.5 kV |
| Noise immunity | Between reset terminals: Β±600 V Between backlight power terminals: Β±480 V Between timer input terminals: Β±600 V square-wave noise by noise simulator (pulse width: 100 ns/1 Β΅s, 1-ns rise) |
| Static immunity | Β±8 kV (malfunction) |
| Vibration resistance | Between current carrying terminals and exposed non-current carrying metal parts: 100 MΞ© min. (at 500 VDC) Between backlight power terminals and timer input/reset terminals: 100 MΞ© min. (at 500 VDC) |
| Shock resistance | Destruction: 300 m/s2, 3 times each in 6 directions Malfunction: 200 m/s2, 3 times each in 6 directions |
| Degree of protection | Case front: IP66, NEMA 4 (indoors), and UL Type 4X (indoors) |
| Case color | Black (Munsell N1.5) |
| Weight | Approx. 65 g |
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