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Test & Measurement

Klein Tools Digital Multimeter 600V AC/DC Auto-Range GFCI Receptacle Tester Breaker Finder

Model: KLN-ET270

Klein Tools Digital Multimeter 600V AC/DC Auto-Range GFCI Receptacle Tester Breaker FinderProfessional-Grade Multi-Function Electrical Testing EquipmentThe Klein Tools Digital Multimeter with GFCI...

Klein Tools

$139.10

$95.86 Sale
Klein Tools Digital Multimeter TRMS Auto-Ranging 600V AC/DC Temperature Measurement Slim Profile

Model: KLN-MM450

Klein Tools Digital Multimeter TRMS Auto-Ranging 600V AC/DC Temperature Measurement Slim ProfileProfessional-Grade True RMS Digital Multimeter with Temperature MeasurementThe Klein Tools Digital...

Klein Tools

$166.03

$105.34 Sale
Klein Tools Electrical Test Kit Dual Range Non-Contact Voltage Tester GFCI Receptacle Tester 12-1000V AC Laser Pointer Professional

Model: KLN-NCVT5KIT

Klein Tools Electrical Test Kit Dual Range Non-Contact Voltage Tester GFCI Receptacle Tester 12-1000V AC Laser Pointer ProfessionalProfessional-Grade Electrical Testing Equipment with Integrated...

Klein Tools

$104.79

$50.66 Sale
Klein Tools Electronic AC/DC Voltage Tester 12-600V CAT IV Solid-State Low Impedance

Model: KLN-ET60

Klein Tools Electronic AC/DC Voltage Tester 12-600V CAT IV Solid-State Low ImpedanceProfessional Electronic Voltage Testing with Advanced Low Impedance TechnologyThe Klein Tools Electronic AC/DC...

Klein Tools

$100.10

$42.87 Sale
Klein Tools ET05 Digital Pocket Thermometer

Model: KLN-ET05

Digital Pocket Thermometer Warnings Read, understand and follow all instructions, cautions and warnings attached to and /or packed with all test and measurement devices before each use. Thermometer...

Klein Tools

$76.99

$24.77 Sale
Klein Tools ET10 Magnetic Digital Pocket Thermometer

Model: KLN-ET10

Magnetic Digital Pocket Thermometer Features 3 inch stainless steel probe with removable protective sheath that doubles as a handle Max/Min, Hold and Average functions Magnet to Hold Onto Air Vents;...

Klein Tools

$86.51

$27.56 Sale
Klein Tools ET130 Digital Light Meter

Model: KLN-ET130

Digital Light Meter Features Auto Power-Off Auto and manual range - 4000 FC; 40,000 Lux Features backlit LCD display with 40-segment bar graph Includes carrying pouch and 9V battery Measurements in...

Klein Tools

$168.50

$123.10 Sale
Klein Tools ET140 Pinless Moisture Meter

Model: KLN-ET140

Pinless Moisture Meter Warnings Never use on or near live electrical circuits. NOT insulated. Will NOT protect against electrical shock. Always wear approved eye protection. Read, understand and...

Klein Tools

$113.69

$52.66 Sale
Klein Tools ET180 Digital Differential Manometer

Model: KLN-ET180

Digital Differential Manometer Warnings The meter is NOT insulated. Avoid contact with areas where energized conductive elements may be present. Shut off power to the area before starting...

Klein Tools

$212.84

$143.93 Sale
Klein Tools ET40 Digital AC/DC Voltage Tester 12 to 240V AC, 1.5 to 24V DC

Model: KLN-ET40

Digital AC/DC Voltage Tester 12 to 240V AC, 1.5 to 24V DC Warnings Usage of this tester in any way other than that specified by the manufacturer can impair safe operation, resulting in severe injury...

Klein Tools

$78.16

$22.94 Sale
Klein Tools ET45 AC/DC Voltage Tester

Model: KLN-ET45

AC/DC Voltage Tester Warnings Before each use, verify tester operation by measuring a known voltage. Never use the tester on a circuit with voltages that exceed the category based rating of this...

Klein Tools

$67.91

$14.24 Sale
Klein Tools ET900 USB Digital Meter, USB-A (Type A)

Model: KLN-ET900

USB Digital Meter, USB-A (Type A) Features Rugged, pocket-sized, and light weight Klein industrial design stands up to jobsite demands No batteries needed; powered by the USB port being...

Klein Tools

$73.77

$23.77 Sale
Klein Tools ET920 USB Digital Meter, USB-A and USB-C

Model: KLN-ET920

USB Digital Meter, USB-A and USB-C Warnings Do NOT use with ports that operate outside of the rated voltage and current. NEVER use on a circuit with voltage or current that exceeds the maximums...

Klein Tools

$101.41

$37.70 Sale
Klein Tools GFCI Outlet Tester 110/125V AC 3-Wire Receptacle Professional Grade

Model: KLN-RT210

Klein Tools GFCI Outlet Tester 110/125V AC 3-Wire Receptacle Professional GradeProfessional-Grade GFCI Testing Equipment for Electrical SafetyThe Klein Tools GFCI Outlet Tester delivers...

Klein Tools

$68.69

$13.98 Sale
Klein Tools GFCI Receptacle Tester with LCD Display 135V AC Auto-Hold Backlit Screen

Model: KLN-RT250

Klein Tools GFCI Receptacle Tester with LCD DisplayProfessional-Grade Electrical Testing Equipment with Advanced Fault DetectionThe Klein Tools GFCI Receptacle Tester with LCD Display delivers...

Klein Tools

$84.00

$27.50 Sale
Klein Tools HVNCVT-1 Dual Range High Voltage Tester

Model: KLN-HVNCVT-1

Dual Range High Voltage Tester Warnings Always wear approved eye protection. Features Audible and visual signals indicate the presence of voltage HIGH range for 1.5kV AC to 132kV AC Indicates The...

Klein Tools

$359.04

$282.94 Sale
Klein Tools Insulation Resistance Tester

Model: KLN-ET600

Insulation Resistance Tester Features Built-in stand and optional magnetic hanger for hands free operation Automatic ranging True Root Mean Square (TRMS) technology for increased accuracy Voltage...

Klein Tools

$302.33

$219.99 Sale
Klein Tools IR07 Dual IR/Probe Thermometer

Model: KLN-IR07

Dual IR/Probe Thermometer Features Target laser may be used as a laser pointer Stainless steel probe is FDA GRAS compliant Easy-open probe with nub to prevent temperature transfer while...

Klein Tools

$127.96

$60.47 Sale
Klein Tools IR10 Dual-Laser Infrared Thermometer, 20:1

Model: KLN-IR10

Dual-Laser Infrared Thermometer, 20:1 Features User definable high/low limits with audible and visual alarms when limits are breached Not a medical device; thermometer is NOT intended for use on...

Klein Tools

$212.50

$162.50 Sale
Klein Tools MM100 Manual Ranging Multimeter

Model: KLN-MM100

Manual Ranging Multimeter Features Measures DC current - 10A Lead storage Data hold Diode test Soft touch buttons Audible continuity with loud buzzer Low battery indicator and battery...

Klein Tools

$85.80

$35.80 Sale
Klein Tools MM325 Digital Multimeter, Manual-Ranging, 600V

Model: KLN-MM

Digital Multimeter, TRMS Auto-Ranging, 1000V, Temp, Low Impedance Warnings Use personal protective equipment to prevent shock and arc blast injury where hazardous live conductors are exposed. Do not...

Klein Tools

Starting at

$37.19 Sale
Klein Tools MM400 Digital Multimeter, Auto-Ranging, 600V

Model: KLN-MM400

Digital Multimeter, Auto-Ranging, 600V Warnings Before each use verify meter operation by measuring a known voltage or current. Do not use the meter during electrical storms or in wet weather, and...

Klein Tools

$135.46

$62.67 Sale
Klein Tools MM420 Digital Multimeter, TRMS Auto-Ranging, 600V, Temp

Model: KLN-MM420

Digital Multimeter, TRMS Auto-Ranging, 600V, Temp Warnings Use personal protective equipment to prevent shock and arc blast injury where hazardous live conductors are exposed. Before each use verify...

Klein Tools

$135.27

$69.99 Sale
Klein Tools MM700 Digital Multimeter TRMS with Low Impedance Mode 1000V CAT IV

Model: KLN-MM700

Klein Tools MM700 Digital Multimeter TRMS with Low Impedance Mode 1000V CAT IVProfessional True RMS Digital Multimeter with Advanced Low Impedance TechnologyThe Klein Tools MM700 Digital Multimeter...

Klein Tools

$255.23 Sale

From electrical testers to clamp meters and all the specialty testers in between, Klein's test and measurement tools are designed to make reading measurements on jobsites as simple as possible. Built with trade professionals in mind, these tools are built to withstand jobsite conditions while still providing quick and accurate results.