Rechargeable battery powered 4-terminal tester with selectable test frequencies, greater measurement sensitivity and attached rod technique and stakeless measurement capability
DT-5500 / CEM เครื่องวัดความต้านทาน Insulation Resistance Tester Digital meter of insulating resistance, great dual display with backlight, output measuring voltage 250/500/1000V, CAT III/1000V.
ET15 / Extech Receptacle Tester The ET15 is a Receptacle tester. Tests for faulty wiring in 3-wire receptacles. Detects 5 wiring faults. Lights indicate circuit condition. For 3-prong plug outlets.