The Doto SH-2 shares the quartz movement and wide voltage tolerance of the SH-1 but comes in a square black case that suits flat instrument panels. It counts 0-99999.9 hours with 0.1-hour resolution, runs on 6-80V AC/DC or AC100-250V, and keeps counting through -10 to +50°C temperatures and 10-70Hz vibration. The rear blade terminals accept quick-connect wiring, and the non-reset counter preserves service-hour records for warranty and rental applications. Each unit is packed in an individual CE-labelled box, ready for retail or distribution.
| Model | SH-2 |
|---|---|
| Timing range | 0-99999.9 Hours |
| Timing accuracy | ±0.01 |
| Reset | No |
| Voltage types | 6-80V AC/DC, AC100-250V |
| Case color | Black, square bezel |
| Display | 6-digit drum, 1/10-hour resolution |
| Operating temperature | -10°C to +50°C |
| Terminals | 6.3 mm quick-connect blades |
| Certificate | CE |






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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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