Non-contact voltage testers work by sensing a very small amount of current that is capacitively coupled from the live circuit to the tester and back to ground. Non-contact voltage testers light up when they detect this current without needing to make direct contact.
- Operating Mode: 0-40C
- Measuring Capacitance Range: See description
- Measuring Resistance Range: See description
- Model Number: UT12A
- Dimensions: 150mm * 20mm
- Operating Temperature: Other
- Measuring Inductance Range: None
- Display Type: Other
- DIY Supplies: ELECTRICAL
- Brand Name: UNI-T
- Origin: Mainland China
- Certification: CE
- Item: handheld Voltage Pen Tester
- AC Voltage V: 90V ~ 1000V
- Frequency Hz: 50/60Hz
- Flashing LED light Indicator: yes
- Power: 1.5V Batteries (R03)*2(not included)
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