Voltage Detector UNI-T UT18C price is available in sensotec website.
UT 18C Features:
AC/DC Voltage up to 690V
RCD test, LCD display
very solid construction
Phase rotation test 100V~690V, 50Hz~60Hz
Single pole test100V~690V, 50Hz~60Hz
Polarity detection
dust prove, water jets prove IP65
voltage indication via LED diodes
integrated LED light
continuity buzzer
polarity detection