This simple device is very useful while doing electrical work. You would need it to check whether there is electrical current passing through a circuit. It warns you of unsafe conditions before you touch it.
Before buying it, you should know its range of testing. A good tester will give dual range testing between 12-1000V or 48-1000V AC. It should be durable and easy to use. Most importantly pay attention to its safety and accuracy.
Listed below are 5 non-contact voltage tester pens that we have reviewed. They are compact and easy to carry in your pocket. They have a flashlight which is useful when using in the dark. They have a plastic body to protect against electrocution. These pens will beep and the tip glows upon detection and are highly sensitive.
1. Non-Contact Voltage Pen by Somox Electric
2. Pratt 1AC-A1-II Non-Contact Voltage Tester
3. Cozoz Voltage Tester
4. Raniaco Voltage Tester with LED Light and highly sensitive
5. Tushai Detector Pen 12-1000V