Instruments / Lasers

Non-contact detection of voltage in cables, cords, circuit breakers, lighting fixtures, switches, outlets, and wires. Specifications: Frequency Ra...

Lead-Alert, Auto-Range, Min/Max Measurements, Backlight Klein Tools MM420 Multimeter is an auto-ranging, true root mean square (TRMS) multimeter th...

Locate Circuit Breakers in Panel, Test GFCI DevicesThe Circuit Breaker Finder Kit includes components for various 90-120V AC circuit diagnostics. T...

Test Wiring Faults, Inspects AFCI and GFCI Devices, Displays Line Voltage, Voltage DropThe Klein Tools RT390 is a Circuit Analyzer that tests the w...

Trace Energized and Non-Energized Breakers, Fuses, and WiresThe Klein Tools ET450 Advanced Circuit Tracer Kit is a professional tracer for energize...

Klein Tools Non-Contact Voltage Tester detects standard voltage in cables, cords, circuit breakers, lighting fixtures, switches, non tamper-resista...

GFCI and Standard Receptacle TesterKlein Tools Receptacle Testers are designed to detect the most common wiring problems in standard and GFCI recep...

with Standard/GFCI Receptacle Tester Klein Tools' ET270 is an auto-ranging digital multi-tester that measures AC/DC voltage, resistance, continuity...

The Klein Tools Utility Borescope captures a clear view of hard-to-reach areas. It comes with a 10' (3m) Nylon USB-C Detachable Snake, magnet, hook...

Klein Tools NCVT-4IR is a voltage tester that provides non-contact determination of AC voltage in cables, cords, circuit breakers, switches, outlet...

AC Auto-Ranging TRMS, Low Impedance (LoZ), Auto Off Klein Tools CL800 Electrical Tester is an automatically ranging true root mean squared (TRMS) d...

Klein Tools ET250 is a solid-state, digital voltage and continuity tester. It measures AC/DC voltages up to 600V and tests for continuity. Addition...