Many procurement teams check H7ET-NV1 against Omron SMPS 24V 10A, Omron H7Ec N and Omron Photoelectric Sensors E3T Series before signing purchase orders, verifying quality, compliance, and after-sales support availability.
Omron H7ET-NV1 Counter
The Omron H7ET-NV1 Counter is a robust time counter supporting DC voltage inputs from 4.5 to 30 VDC, ideal for monitoring machine operating hours. It offers selectable time ranges up to 999999.9 hours or 3999 days 23.9 hours, ensuring precise long-term tracking. Its 7-digit LCD with 8.6 mm characters provides clear visibility, supported by a reliable 20 ms reset response. Built with IP66 front protection and strong immunity to shock, vibration, and electrical noise, it ensures consistent performance. Manufactured by Omron and included in Omron Counter products, it forms part of the H7ET-N Series.
| Brand | Omron |
| Product | Counters |
| Model Number | H7ET-NV1 |
Omron H7ET-NV1 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 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) |
| 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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