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Klein Tools Manuals & User Guides

Klein Tools, founded in 1857, manufactures premium-grade hand tools, electrical testers, and safety equipment for professional tradespeople worldwide.

Tip: include the full model number printed on your Klein Tools label for the best match.

About Klein Tools manuals on Manuals.plus

About Klein Tools

Klein Tools has been manufacturing professional-grade hand tools in America since 1857. Highly dedicated to the trades, the company provides a wide range of electrical testers, non-contact voltage detectors, moisture meters, protective headwear, and specialized hand equipment. Their products are designed to stand up to the rigorous demands of daily professional use in the electrical, construction, HVAC, and industrial sectors.

Klein Tools manuals

Latest manuals from manuals+ curated for this brand.

KLEIN TOOL ET130 Light Meter Instruction Manual

March 18, 2023
KLEIN TOOL ET130 Light Meter GENERAL SPECIFICATIONS Klein Tools ET130 is an easy-to-use precision light meter that measures illuminance levels in both Foot Candles (FC) and Lux. Spectral Range: 400…

KLEIN TOOL 60100 Hard Hat Instructions

February 16, 2023
KLEIN TOOL 60100 Hard Hat Instructions WARNING! BEFORE USE: READ ALL INSTRUCTIONS OR RISK SERIOUS INJURY OR DEATH. DO NOT REMOVE LABEL. This protective headwear is designed to absorb some…

Klein Tools RT250 GFCI Receptacle Tester with LCD

product overview
The Klein Tools RT250 is a professional-grade GFCI receptacle tester with an LCD display, designed for North American 120V outlets. Features include voltage measurement, wiring fault detection, and GFCI trip…

TI290 Rechargeable Pro Thermal Imager

Instruction Manual
TI290, 2AI28-TI290A, 2AI28TI290A, TI290-1390506ART, EP 5033062, TI290 Rechargeable Pro Thermal Imager, TI290, Rechargeable Pro Thermal Imager, Thermal Imager, Imager

ET140

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ET140, KLEIN TOOLS,Klein Tools,Klein,Tools,ET140,Pinless,Moisture,Meter,for,Non-Destructive,Moisture,Detection,in,Drywall,Wood,and,Masonry;,Detects,up,to,3/4-Inch,Below,Surface,B0F7XHRLN6,B07SZX8QXH,B09KSXJN7D

CL320KIT

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CL320KIT, KLEIN TOOLS,Klein Tools,Klein,Tools,CL320KIT,HVAC,Kit,for,HVAC,Testing;,Digital,Clamp,Meter,Non-Contact,Voltage,Tester,and,Infrared/Probe,Thermometer,3-Tool,Test,Kit,B0F5JJ36GZ,B08ZJSN5X3,B08DDTV5KG

‎NCVT2P

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‎NCVT2P, ‎KLEIN TOOLS,‎Klein Tools,Klein,Tools,NCVT2P,Dual,Range,Non-Contact,Voltage,Tester,12-1000V,AC,Visual,and,Audible,Indicators,Auto,Power,Off,B07L5N8ZWS,

‎56403

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‎56403, KLEIN TOOLS,‎Klein Tools,Klein,Tools,56403,LED,Light,Rechargeable,Flashlight,/,Worklight,with,Kickstand,Magnetic,Mount,and,Carabiner,Charges,Small,Electronics,for,Work,Camping,B0CRYJ93F1,B07V4FTX6C

NCVT1P

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NCVT1P, KLEIN TOOLS,Klein Tools,Klein,Tools,NCVT1P,Voltage,Tester,Non-Contact,Low,Voltage,Tester,Pen,50V,to,1000V,AC,Audible,and,Flashing,LED,Alarms,Pocket,Clip,NCVT,Pen,Tester,B0C8Y98QPT,B0BS5SCNJ1,B0D59KMTFM,B0D6QXKYN9,B0CZKYTSVH,B099SJ6469

ET600

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ET600, KLEIN TOOLS,Klein Tools,Klein,Tools,ET600,Multimeter,Megohmmeter,Insulation,Tester,4000,Ohms,Resistance,125V/250V/500V/1000V,Auto-Ranging,TRMS,Multimeter,B0D4DKFPHV,B07ZZX5TK8

MM400

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MM400, KLEIN TOOLS,Klein Tools,Klein,Tools,MM400,Multimeter,Digital,Auto,Ranging,AC/DC,Voltage,Current,Capacitance,Frequency,Duty-Cycle,Diode,Continuity,Temp,600V,B0D54MMY9V,B0B57PFFYX,B018EXZO8M,B0B6WW5ZX8

‎HVNCVT1

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‎HVNCVT1, ‎KLEIN TOOLS,‎Klein Tools,Klein,Tools,HVNCVT-1,Dual-Range,Non-Contact,High-Voltage,Tester,Dual-Range,Audio/Visual,Indicators,Water,Resistant,With,Case,and,Battery,Dual,Range,B0BYPNXGNY,B015KU2EXU,B015KUITAW

69149P

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69149P, KLEIN TOOLS,Klein Tools,Klein,Tools,69149P,Electrical,Test,Kit,with,Digital,Multimeter,Non-Contact,Voltage,Tester,and,Electrical,Outlet,Tester,Leads,and,Batteries,Multimeter,Kit,B0CTT3RH8R,B09C6MGD7J

RT310

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RT310, Klein Tools,Klein Tools,Klein,Tools,RT310,Outlet,Tester,AFCI,and,GFCI,Receptacle,Tester,for,North,American,AC,Electrical,Outlets,B0CXDFSQ7V,B0BT87LJRL,B07PMDRHXB

‎56411

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‎56411, ‎Klein Tools,‎Klein Tools,Klein,Tools,56411,Rechargeable,Pocket,Flashlight,275,Lumen,Dual-Direction,Pocket,Clip,Waterproof,Drop,Rated,EDC,Flashlight,,

Klein Tools manuals from online retailers

Klein Tools 656QS KNECT Quad Socket Instruction Manual

656QS • September 26, 2026
Comprehensive instruction manual for the Klein Tools 656QS KNECT Quad Socket, featuring 24 SAE and Metric sizes in 6 color-coded, impact-rated, deep-well sockets. Learn about setup, operation, maintenance,…

Klein Tools support FAQ

Common questions about manuals, registration, and support for this brand.

  • Where can I find the user manual for my Klein Tools product?

    You can find instruction manuals, safety guides, and specifications for your Klein Tools products here on Manuals.plus or by searching for your specific model number on the official Klein Tools website.

  • How do I contact Klein Tools customer service?

    You can contact Klein Tools support by calling 1-800-553-4676 or by sending an email to customerservice@kleintools.com.

  • What is the warranty on Klein Tools products?

    Klein Tools offers varying warranties based on the product category, generally covering defects in materials and workmanship under normal use. Learn more at www.kleintools.com/warranty.

  • Are Klein Tools made in the USA?

    Klein Tools is highly committed to American manufacturing and operates multiple domestic facilities, producing a vast majority of their professional-grade hand tools in the USA.