EXTECH Manuals & User Guides

EXTECH ET40B Continuity Tester Introduction Ideal for checking continuity of non-energized components, fuses, diodes, switches, relays and wiring. Ideal for automotive, aircraft and home applications. Continuity Testing WARNING: To avoid electric shock, never measure continuity on circuits that have voltage…

EXTECH 445815 Humidity Alert II Remote Probe Hygro Thermometer Introduction Congratulations on your purchase of Extech's Humidity Alert lI Remote Probe Hygro-Thermometer. Humidity alarms warn when the %RH exceeds a pre-set HI or LO limit. The remote probe conveniently mounts…

EXTECH 380260 Autoranging Digital Megohmmeter Introduction Congratulations on your purchase of Extech’s Insulation Tester/Megohmmeter. The Model 380260 provides three test ranges plus continuity and AC/DC voltage measurement. A handy test lock feature and a data hold function are also included.…

EXTECH ET30B Electrical Tester MODEL ET30B - Electrical Tester INTRODUCTION Test AC and DC Volt Circuits at 6, 12 and 24 Volts. Features heavy-duty 5’ (60”) cord with stainless steel probe and insulated ground clip. OPERATION Always perform a self-check…

USER MANUAL Humidity & Temperature Datalogger Model RHT20 Introduction Congratulations on your purchase of this Temperature and Humidity data logger. With this meter, you can monitor and log data over long periods of time and then easily transfer the data…

EXTECH ET60 Continuity Tester Introduction The ET60 is an AC/DC Voltage tester with continuity check, NCV detector and a work light. The attached test leads are connected with 24” of 18-gauge wire rated at 600V. The 6” test lead handles…

USER MANUAL Model ET15 – Receptacle Tester Tests for faulty wiring in 3-wire receptacles Tests Reversed/ Open Connections Detects 5 separate faults Operating Instructions Always test on a known good circuit before use Refer all indicated problems to a qualified…

EXTECH ET25 Voltage Tester MODEL ET25 - Voltage Tester wire AC Grounded Outlets: Insert probes into the hot (narrow) and neutral (wide) slots of the receptacle. The tester will glow on a live circuit. To check to ground, insert one…

EXTECH ET28B 4-Range Voltage Tester OPERATION To check for voltage, insert test leads into outlet or carefully touch test leads to the electrical contacts or circuit to be tested. If voltage is present, the neon indicators will light in the…

EXTECH ET38 Screwdriver Voltage and Continuity Tester User Manual Voltage Testing To check a circuit for voltage, insert the screwdriver probe into the outlet or carefully touch probe to the electrical contact or conductor to be tested. Touch metal contact…