|
Go safe! This is the simplest way to check the polarity on those plugpacks which leave the polarity information off the rating label.
Simply insert the plug from your power supply unit into the polarity tester, and the polarity is shown visually as centre positive, centre negative or AC.
Works with battery packs, power supplies, plug packs or any other voltage device with an output range of 3-15V AC/DC
Specifications:
* Voltage range 3 - 15 V AC/DC
* No battery required.
* Size: 50x38x20 mm
* Accepts the following power connectors:
- DC Plug: ID=1.35mm(min), OD=3.5mm(max)
- DC Plug: ID=2.1mm(min), OD=5.5mm(max)
- 3.5mm Stereo Plug
|
