287SVD / SEW - Taiwan
- Voltage detection distance
+ 6.6kV (3.8kV phase to ground): 40cm ± 20%
+ 11.4kV (6.6kV phase to ground): 55cm ± 20%
+ 19.7kV (11.4kV phase to ground): 80cm ± 20%
+ 22.8kV (13.2kV ​​phase to ground): 85cm ± 20%
- Water resistance: good, level IP65. Different types of AC voltage can be detected. Low power consumption. CE certification
- Warning start distance: 85cm for 22.8kV (phase – phase)
- Frequency: 50 / 60Hz. Siren: 70dB or higher at 1m distance
- Operating temperature: 0°C - 40°C. Humidity: 80%
- External dimensions: 61(L) x 62(W) x18.5(D) mm
- Weight: 70g (including battery)
- Battery: CR2032. Battery life: 50 hours of continuous use
Used to signal the user has entered a dangerous area with high voltage. Warning by sound signal (loud) and LED light. Used to wear on the wrist or on a hat.

286SVD / SEW - Taiwan
- Water resistance: good, level IP65. Different types of AC voltage can be detected. Low power consumption. CE certification
- Warning start distance: 80cm for 11.4kV (phase – phase)
- Frequency: 50 / 60Hz. Siren: 70dB or higher at 1m distance
- Operating temperature: 0°C - 40°C. Humidity: 80%
- External dimensions: 59(L) x 56(W) x18(D) mm
- Weight: 35g (including battery)
- Battery: CR2032. Battery life: 50 hours of continuous use
Used to signal the user has entered a dangerous area with high voltage. Warning by sound signal (loud) and LED light. Used to wear on the wrist or on a hat.