In most procurement cycles, H7ET-NFV1 is considered with Omron SMPS 24V 10A, Omron H7Ec N and Omron Photoelectric Sensors E3T Series, giving decision-makers confidence that theyβve chosen the most dependable component.
Omron H7ET-NFV1 Counter
The Omron H7ET-NFV1 Counter is designed for long-duration time tracking, supporting universal free-voltage input from 24 to 240 VAC/VDC. It offers flexible timing ranges reaching 999999.9 hours or 3999 days 23.9 hours, ensuring accurate measurement over extended periods. Its 7-digit LCD with 8.6 mm characters provides clear visibility, while a dependable 20 ms reset response enhances control. The unit features robust IP66 front protection and high resistance to noise, shock, and vibration, enabling use in demanding environments. Manufactured by Omron and listed within Omron Counter products, this device belongs to the H7ET-N Series.
| Brand | Omron |
| Product Type | Counters |
| Model Number | H7ET-NFV1 |
Omron H7ET-NFV1 Counter - Technical Specifications
| Specification | Value |
|---|---|
| Function | Time Counter |
| 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) |
| Time counter Reset system | External and manual reset |
| Input signal | Count input, Reset |
| Input method | Free voltage input |
| No-voltage input (No-contact inputοΌ/ Voltage input | Hight level: 24 to 240 VAC/VDC Low level: 0 to 2.4 VAC/VDC Short-circuit (ON) impedance: 10 kΞ© max. Open circuit impedance: 750 kΞ© min. |
| External/Manual Reset time | 20 ms |
| Display method | LCD |
| Display Digits | 7 digit |
| Display Character height | 8.6 mm (Black) |
| Display Zero suppression | Equipped |
| Ambient temperature (Operating) | -10 to 55 β (with no freezing or condensation) |
| Ambient temperature (Storage) | -25 to 65 β (with no freezing or condensation) |
| Ambient humidity (Operating) | 25 to 85 % |
| Insulation resistance | Between current carrying terminals and exposed non-current carrying metal parts: 100 MΞ© min. (at 500 VDC) Between timer input terminals and reset terminals: 100 MΞ© min. (at 500 VDC) |
| Dielectric withstand voltage | Between reset terminals and exposed non-current-carrying metal parts: 2200 VAC 50/60 Hz 1 min Between timer input terminals and exposed non-current-carrying metal parts: 3700 VAC 50/60 Hz 1 min Between timer input terminals and reset terminals: 2200 VAC 50/60 Hz 1 min |
| Impulse withstand voltage | Between current carrying terminals and exposed non-current carrying metal parts: 4.5 kV Between timer input terminals and reset terminals: 3 kV |
| Noise immunity | Between reset terminals: Β±500 V Between timer input terminals: Β±1.5 kV square-wave noise by noise simulator (pulse width: 100 ns/1 Β΅s, 1-ns rise) |
| Static immunity | Β±8 kV (malfunction) |
| Vibration resistance | Destruction: 10 to 55 Hz, 0.375 mm single amplitude each in 3 directions for 2 h Malfunction: 10 to 55 Hz, 0.15 mm single amplitude each in 3 directions for 10 min |
| 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) |
| External connection method | Screw terminal |
| Case color | Light gray (Munsell 5Y7/1) |
| Weight | Approx. 60 g |
