OMRON H7ET-NV-H
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OMRON H7ET-NV-H
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Liên hệ
| Function | Time Counter |
|---|---|
| Operating voltage range | 90% to 110% of rated supply voltage |
| Time counter (Input modes) | Increment |
| Time 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) | ±100 ppm (25 ℃) |
| Time counter (Minimum signal input width) | 1 s |
| Time counter (Reset system) | External reset, manual reset |
| Input signal | Count input / Reset |
| Input method | Voltage input |
| Voltage input | Hight level: 4.5 to 30 VDC Low level: 0 to 2 VDC Input resistance: 4.7 kΩ |
| Minimum input signal width | External reset: 20 ms |
| Display method | 7-segment backlit transmissive LCD |
| Digits | 7digits |
| Character height | Current time: 8.6 mm (Black with backlit (Green)) Zero suppression: Provided |
| Prescaling function | Not provided |
| Key protection | Key protect Switch |
| Teaching function | Not provided |
| Batch counting function | Not provided |
| Communications | Not provided |
| Memory backup | Lithium battery () |
| Battery life | For 10 years min. (with continuous input at 25 ℃) |
| Surrounding air temperature | Operating: -10 to 55 ℃ Storage: -25 to 65 ℃ |
| Ambient humidity | Operating: 25 to 85% Storage: 25 to 85% |
| Insulation resistance | 100 MΩ min. (at 500 VDC) Between current carrying terminals and exposed non-current carrying metal parts / Between backlight power terminals and timer input/reset terminals |
| Dielectric withstand voltage | Between current carrying terminals and exposed non-current carrying metal parts:1000 VAC 50/60 Hz for 1 min Between backlight power terminals and timer input/reset terminals:1000 VAC 50/60 Hz for 1 min |
| Impulse withstand voltage | Between current carrying terminals and exposed non-current carrying metal parts:4.5 kV |
| Noise immunity | Between backlight power terminals:±480 V Between timer input terminals:±600 V Between reset terminals:±600 V Square-wave noise by noise simulator (Pulse width: 100 ns/1 µs, 1-ns rise) |
| Static immunity | ±8 kV (malfunction) |
| Vibration resistance （Destruction） | 10 to 55 Hz, 0.375-mm single amplitude each in 3 directions for 2 h |
| Vibration resistance （Malfunction） | 10 to 55 Hz, 0.15 mm single amplitude each in 3 directions for 10 min |
| Shock resistance （Destruction） | 300 m/s**2, 3 times each in 6 directions (3 axes) |
| Shock resistance （Malfunction） | 200 m/s**2, 3 times each in 6 directions (3 axes) |
| Degree of protection | Case front: IP66, NEMA 4 (indoors), and UL Type 4X (indoors)(when using the Y92S-32 Waterproof Packing and Y92F-30 Flush Mounting Adapter) Terminal block: IP20 |
| Mounting method | Flush mounting |
| External connection method | Screw terminal |
| Case color | Light gray (Munsell 5Y7/1) |
| Accessories | Flush mounting adapter / Waterproof rubber packing / Terminal cover / Unit label |
| Weight | Approx. 65 g |
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