| Item | H7ET-NV_-_/H7ET-NV_-_H | H7ET-NFV_-_ | H7ET-N_-_ |
| Operating mode | Accumulating |
| Mounting method | Flush mounting |
| External connections | Screw terminals |
| Display | 7-segment LCD with or without backlight, zero suppression (character height: 8.6 mm) |
| Number of digits | 7 |
| Case color | Light grey or black (-B models) |
| Attachment | Waterproof packing, flush mounting bracket, time unit labels |
| Supply voltage | Backlight model: 24 VDC (0.3 W max.) (for backlight) No-backlight model: Not required
(powered by built-in battery) | Not required (powered by built-in battery) |
| Timer input | High (logic) level: 4.5 to 30 VDC
Low (logic) level: 0 to 2 VDC
(Input impedance: Approx. 4.7 kΩ) | High (logic) level:
24 to 240 VAC/VDC, 50/60 Hz
Low (logic) level:
0 to 2.4 VAC/VDC, 50/60 Hz | No voltage input
Maximum short-circuit impedance:
10 kΩ max.
Short-circuit residual voltage: 0.5 V max.
Minimum open impedance: 750 kΩ min. |
| Reset input | No voltage input
Maximum short-circuit impedance:
10 kΩ max.
Short-circuit residual voltage: 0.5 V max.
Minimum open impedance: 750 kΩ min. |
| Minimum pulse width | 1 s |
| Reset system | External reset and manual reset: Minimum signal width of 20 ms |
| Ambient temperature | Operating: −10 to 55°C (with no condensation or icing), storage: −25 to 65°C (with no condensation or icing) |
| Time accuracy | ±100 ppm (25°C) |
| Degree of protection | Front-panel: IP66, NEMA4 with waterproof packing, terminal block: IP20 |
| Battery life (reference) | 10 years min. with continuous input at 25°C (lithium battery) |
| Size in mm (H×W×D) | 24×48×55.5 |
