Procurement teams shortlist H7ET-NV 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 Counter
The Omron H7ET-NV Counter is a precise time counter built for DC voltage input applications requiring stable long-duration measurement. It supports timing ranges up to 999999.9 hours or 3999 days 23.9 hours, ensuring dependable tracking. The 7-digit LCD with 8.6 mm characters offers excellent clarity, while its 20 ms reset capability ensures responsive operation. Designed for voltage input from 4.5 to 30 VDC, it integrates easily into automation systems. With IP66 front protection, strong EMC immunity, and durable shock/vibration resistance, it performs reliably. Manufactured by Omron and listed under Omron Counter products, this model is part of the H7ET-N Series.
| Brand | Omron |
| Product | Counters |
| Model Number | H7ET-NV |
Omron H7ET-NV 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 | 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 |
| 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 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) |
| 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 | Light gray (Munsell 5Y7/1) |
| Weight | Approx. 60 g |
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