279HD / SEW - Taiwan
- Test voltage range: 80V ~ 11.4kV AC
- Frequency: 50Hz / 60Hz
- Insulation resistance: ≥100MΩ
- Dielectric strength: 20kV for 3 minutes between contact tip and clamp
- Leakage current: 0.12mA or less above dielectric strength
- Starting voltage (direct contact part): Low voltage: 65±15V ; High voltage: 1700±200V.
- Sound emission: 50dB or more (2m apart)
- Operating temperature: 0°C~40°C
- Structure: Waterproof, equivalent to IP65
- Weight (including battery): Approx. 176g
- Power: 1.5V (AAA) x 2
- Safety standard: EN 61326-1

290HD / SEW - Taiwan
- Test voltage range: 6kV~81.5kV
- Operating voltage: 2.7kV (Compared to ground)
- Display: Red light, Sound 50dB at 3m
- Club length: 1370±50mm (retracted) and 2450±50mm (extended)
- Frequency: 50/60Hz
- Withstand voltage: 100kV/300mm for 1 minute
- Insulation resistance: 2000MΩ min at 1kV
- Detection current: 100uA or less than 100uA
- Operating temperature: 0°C~40°C
- Battery source: 2 button-cells LR44 (1.5V)
- Weight: 590g (including battery)
- Standard: IEC / EN 61243-1

230HD / SEW - Taiwan
- Test voltage range: 6kV ~ 36.5kV
- Operating voltage: 2.7kV (Compared to GND)
- Display: Red light, Sound 50dB at 3m
- Club length: 893±50mm (retracted) and 1520±50mm (extended)
- Frequency: 50/60Hz
- Withstand voltage: 100kV/300mm for 1 minute
- Insulation resistance: 2000MΩ min at 1kV
- Detection current: 100uA or less than 100uA
- Operating temperature: 0°C~40°C
- Battery source: 2 button-cells LR44 (1.5V)
- Weight: 485g (including battery)
- Standard: IEC / EN 61243-1

LVD-20 / SEW - Taiwan
- Voltage range: AC 12V-600V; DC 12V-600V
- Frequency: 30 to 330 Hz
- Measurement type: CAT. III 600V
- Warning when voltage is detected: LED and sound
- Operating temperature: 0 to 40°C
- Operating humidity: < 80% R.H.
- Operating altitude: maximum 2000 m
- Dimensions: 148(L) x 27(W) x 25(D)mm
- Weight: 57g
- Power: 2 x 1.5V (AAA) batteries

LVD-15 / SEW - Taiwan
- Detection voltage: 50V~1000V AC
- Working frequency: 50~500 Hz
- Dimensions: 142(L) × 28(W) × 27(D)mm
- Weight:. 45g
- Power: 2 x 1.5V (AAA)
- There is a bright LED light and an audible alarm when there is voltage.
- ON/OFF switch for longer battery life.

277HP / SEW - Taiwan
- High voltage tester with two optional measuring ranges: Low: 50V~1.5kV; High: 1.5kV~132kV
- Electric used:
+ Off state: <5uA
+ Low voltage detection mode: <40mA
+ High voltage detection mode: <40mA
- Mode switching button: HIGH/OFF/LOW
- Operating temperature: 0ºC~40ºC
- Dimensions: 318 x 75 x 71 mm
- Weight: 227g
- Self-test function: press the "Test" button to check that the device is working properly before using it to check high voltage.
- Protection standard: EN61326-1; EN61000-4-2; EN61000-4-3

279HD / SEW - Taiwan
- Test voltage range: 80V ~ 11.4kV AC
- Frequency: 50Hz / 60Hz
- Insulation resistance: ≥100MΩ
- Dielectric strength: 20kV for 3 minutes between contact tip and clamp
- Leakage current: 0.12mA or less above dielectric strength
- Starting voltage (direct contact part): Low voltage: 65±15V ; High voltage: 1700±200V.
- Sound emission: 50dB or more (2m apart)
- Operating temperature: 0°C~40°C
- Structure: Waterproof, equivalent to IP65
- Weight (including battery): Approx. 176g
- Power: 1.5V (AAA) x 2
- Safety standard: EN 61326-1

279HD / SEW - Taiwan
- Test voltage range: 80V ~ 11.4kV AC
- Frequency: 50Hz / 60Hz
- Insulation resistance: ≥100MΩ
- Dielectric strength: 20kV for 3 minutes between contact tip and clamp
- Leakage current: 0.12mA or less above dielectric strength
- Starting voltage (direct contact part): Low voltage: 65±15V ; High voltage: 1700±200V.
- Sound emission: 50dB or more (2m apart)
- Operating temperature: 0°C~40°C
- Structure: Waterproof, equivalent to IP65
- Weight (including battery): Approx. 176g
- Power: 1.5V (AAA) x 2
- Safety standard: EN 61326-1