| Model | SK-500 |
| Measuring distance | 5 to 500mm |
| Measuring range | ±20KV |
| Measuring accuracy | ±30V*1 |
| Sampling period | Approx. 1ms |
| Vibration | <1KHz |
| Noise | <5dB |
| Communication distance | <300m |
| Alarm indication | LED |
| Threshold setting range | 0~±5000V |
| Detection angle | <15° |
| External Dimension | 44*33*85mm |
| Mounting accessories | OW-SK501 Fixed rod 5×100, OW-SK502 Bracket 40×15×23 |
| Weight | 49.7G |
| Standby time | 5s |
| Infrared controlled range | <20°, 1m |
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