Omron H7ET-N — Hour Meter, Self-Powered, 7-Digit
SKU: H7ET-NUSD 25.00
self-powered hour meter, 1/32 DIN, 7-digit LCD, 0-999999.9 h, no-voltage input. In stock, China shipping.
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Product Overview
The Omron H7ET-N is the H7ET-series self-powered hour meter for panel mounting It is manufactured by Omron Corporation. Hengyixin Automation stocks this timer / counter at our Xiamen warehouse; orders placed before 14:00 CST ship same business day. It runs from an internal lithium battery, so no external supply is needed. The 7-digit LCD shows 0 to 999999.9 hours or 0.0 to 3999 days 23.9 hours, with 8.6 mm tall characters. The flush-mount adapter Y92F-35 or Y92F-75 is sold separately. Key specs: Counting Range 0 to 999999.9 hours or 0.0 to 3999 days 23.9 hours (dual range, selected by front-panel switch); Display 7-digit 7-segment LCD, 8.6 mm character height, no backlight; Count Input No-voltage input from dry contact or open-collector, max 0.5 Hz (1 sec min pulse width); Power Self-powered by internal lithium battery (no external supply), approximately 10-year battery life at 25 C ambient; Reset External reset terminal and front-panel reset button; Body / Cut-out 1/32 DIN, 48 (W) x 24 (H) x 48.5 (D) mm, panel cut-out 45.00 x 22.20 mm, light grey bezel; Environment -10 to 55 C operating, 25 to 85 percent humidity (no condensation); Front Face.
Key Features
- H7ET-series self-powered hour meter / time counter, internal lithium battery, no external supply needed
- 7-digit LCD with 8.6 mm character height, range 0 to 999999.9 h or 0.0 to 3999 d 23.9 h, no backlight
- No-voltage count input from a dry contact or open-collector, 0.5 Hz max count rate
- 1/32 DIN body, 48 x 24 x 48.5 mm, IP66 front face, panel cut-out 45.00 x 22.20 mm
- SKU: H7ET-N
- Series: Omron H7ET-series self-powered time counter / hour meter
Best-Fit Applications
- Generator run-time tracking where the H7ET-N counts contactor-closure pulses and shows hours on the panel for the maintenance log
- Pump runtime monitoring where the H7ET-N is wired to a flow-switch dry contact and counts hours for service-interval scheduling
- Spare replacement for a worn H7CC-ASD preset counter swapped for the simpler self-powered H7ET-N hour meter
Buying Checklist
- Pick the H7ET-N for a self-powered hour meter with no external wiring and a 0-999999.9 h range on a 1/32 DIN panel.
- Pick the H7ET-NFV instead when the cabinet has an available AC or DC voltage output and the panel needs a powered counter with voltage input.
- Pick the H7EC-N instead when the panel can fit the wider 8-digit display and the application needs the larger character height on the same 1/32 DIN body.
Technical Specifications
| Manufacturer | Omron Corporation (Japan) |
|---|---|
| Series | Omron H7ET-series self-powered time counter / hour meter |
| Model / SKU | H7ET-N |
| Counting Range | 0 to 999999.9 hours or 0.0 to 3999 days 23.9 hours (dual range, selected by front-panel switch) |
| Display | 7-digit 7-segment LCD, 8.6 mm character height, no backlight |
| Count Input | No-voltage input from dry contact or open-collector, max 0.5 Hz (1 sec min pulse width) |
| Power | Self-powered by internal lithium battery (no external supply), approximately 10-year battery life at 25 C ambient |
| Reset | External reset terminal and front-panel reset button |
| Body / Cut-out | 1/32 DIN, 48 (W) x 24 (H) x 48.5 (D) mm, panel cut-out 45.00 x 22.20 mm, light grey bezel |
| Environment | -10 to 55 C operating, 25 to 85 percent humidity (no condensation) |
| Front Face | IP66 with Y92S-P6 waterproof packing; weight approximately 60 g |
| Sister Models | H7ET-N-B (black case), H7ET-N1 (0-10000 h range), H7ET-NFV (AC / DC voltage input), Y92F-35 / Y92F-75 flush-mount adapter |
Manufacturer documentation
Omron's own product page, where the manufacturer's current specification and lifecycle information are published. We are an independent distributor and cannot mirror those documents; the link goes to Omron's site.
FAQ for H7ET-N
What is the Omron H7ET-N used for?
It is the H7ET-series self-powered hour meter / time counter. It runs from an internal lithium battery, so no external supply is needed. It counts no-voltage pulses from a dry contact or open-collector at up to 0.5 Hz and shows 0 to 999999.9 hours or 0.0 to 3999 d 23.9 h on the 7-digit LCD. Typical uses are generator run-time tracking, pump runtime, and service-interval counters.
H7ET-N vs H7ET-NFV - what is the difference?
Both share the same 1/32 DIN body, 7-digit LCD, and 0-999999.9 h range. The -N is self-powered by an internal lithium battery (no external supply); the -NFV takes an AC or DC voltage input as the count signal. Pick the -N when the panel only has a dry contact; pick the -NFV when the panel already runs a 24 VDC signal that needs to be counted directly.
How long does the H7ET-N battery last?
Approximately 10 years at 25 C ambient. The battery is internal and is not user-replaceable; when the LCD dims or the count stops incrementing, swap the entire H7ET-N unit. Spare units ship from the Hengyixin Xiamen warehouse.
Does the H7ET-N have an external reset?
Yes. The H7ET-N has an external reset terminal on the rear that accepts a no-voltage pulse, plus a front-panel reset button behind the bezel. The reset clears the displayed count to zero without interrupting the battery.
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