Magnetic Compass
| Integrated circuit | 551 2F,impulse width 46.87 5ms, output frequency 0.5Hz |
| Energy converter | One pair of extremely offset stepping motor Minute hand output moment is bigger than l X l 0-2Nm |
| Timing precision | Error less than ±0.5s/d under 23 °C~±2°C Error less than ±1 s under 0°C ~ +40°C |
| Ambient temperature | -10°C ~ +55°C |
| Consumption | One piece of No.2 cell lasts for a year |
| Anti-vibration & impact property | Stand well under vibration of 8 0Hz2g, and impact of 5 g for 3 0 minutes |
| Outline | Φ228 ×60mm with Φ170mm clock face |
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