The Doto SYS-3 carries the family specification into a 55 x 31.7 mm rectangular panel meter with a large HOURS window. It runs on 10-80V DC or AC100-250V at 0.3W, counts 0-99999.9 hours with quartz ±0.01 accuracy and is fully sealed for engine-compartment duty. The case accepts panel thickness from 0.75 to 10 mm and terminates in 6.3 mm quick-connect blades, making it a drop-in choice for generator sets, air compressors and agricultural machinery that need a dependable hours record.
| Model | SYS-3 |
|---|---|
| Timing range | 0-99999.9 Hours |
| Timing accuracy | ±0.01 |
| Reset | No |
| Voltage types | 10V-80VDC, AC100-250V |
| Power | 0.3W |
| Operating temperature | -10°C to +50°C |
| Vibration | 10-70Hz, 1-8g (gravity) |
| Panel size | 55 x 31.7 mm |
| Panel thickness | 0.75-10 mm, 6.3 mm terminals |








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Professional manufacturer of AC contactors, circuit breakers, capacitors, hour meters and counters. Factory-direct, CE & ROHS certified, exporting worldwide.
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