Omron H7ET-N Digital Timer Compact
SKU: H7ET-NUSD 25.00
Omron H7ET-N is a compact digital timer for space-constrained industrial timing applications with simple operation.
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Product Overview
The Omron H7ET-N is a digital hour meter designed for panel mounting in industrial control panels. This device tracks and displays cumulative operating hours of equipment, providing essential data for maintenance scheduling and equipment utilization tracking. The H7ET-N features a 7-digit LCD display showing hours with a maximum range of 99,999.9 hours, sufficient for most industrial equipment tracking requirements. The meter operates on a wide voltage range of 100-240 VAC, making it suitable for use in various power supply configurations without requiring a separate power supply. The 72x36mm panel cutout size fits standard industrial timer panel preparations. The H7ET-N starts timing when power is applied and features a non-resetable counter design for permanent operation hour tracking. This hour meter is ideal for tracking motor hours, machine run time, pump operation, and other equipment requiring maintenance interval monitoring.
- SKU: H7ET-N
- Series: H7ET
- Voltage: 240V
Best-Fit Applications
- Motor hour tracking
- Machine runtime monitoring
- Pump hour monitoring
- Equipment maintenance scheduling
- Generator runtime
- Compressor hours tracking
- HVAC runtime monitoring
- Production equipment tracking
Buying Checklist
- Wide voltage range simplifies installation
- Large 7-digit display
- Non-volatile memory retains data
- Standard panel cutout size
- IP65 front for panel protection
- Proven Omron reliability
- Cost-effective hour tracking
Technical Specifications
| Model | H7ET-N |
|---|---|
| Series | H7ET |
| Type | Compact Digital Timer |
| Supply Voltage | AC/DC24-240V |
| Timing Range | 0.1s to 999,999s |
| Timing Modes | ON-delay |
| Output | SPDT relay |
| Display | 6-digit LCD |
| Size | 48 x 48mm |
| Operating Temperature | -10 to +55°C |
Resources & Downloads
FAQ for H7ET-N
What's the difference between H7ET and H3DK?
H7ET: simple ON-delay only, lower cost, compact. H3DK: 6 timing modes, remote control, higher accuracy. Choose H7ET for simple delay applications, H3DK for complex timing sequences.
How do I set the time?
Front-panel keys: mode key to select range (seconds/minutes/hours), up/down keys to set value. Simple operation, no DIP switches. Display shows set value and elapsed time.
What's the timing accuracy?
±0.5% of set value ±20ms. For 1 minute setting: ±300ms + 20ms = ±320ms. Adequate for most industrial timing. For higher accuracy, consider H7CX series.
Can I use this for motor run-time limiting?
Yes, common application. Wire timer in series with motor contactor coil. Timer starts when motor starts, stops motor after set time. Reset for next cycle.
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