Voltage tester SN 2 is great for professional electrotechnicians, handymen or for private purposes. It measures and automatically detects DC and AC up to 690 V. It also detects polarity of DC. Moreover, it checks phase conductor, circuit integrity and phase order in three phase system. You will be informed about all of this by the means of acoustic and LED signalisation. It can also automatically set the circuit on and off. The tips of the tester are designed in such a way to withstand even high mechanical force.
Voltage tester SN 2 will surprise you with its wide array of functions at a good price, so get it as soon as possible.