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Klein Tools Manuals & User Guides

Klein Tools manufactures premium hand tools, test equipment, and professional-grade electrical gear designed for tradesmen and professionals worldwide since 1857.

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

About Klein Tools manuals on Manuals.plus

Professional Tools for the Trades

Klein Tools, established in 1857, has been dedicated to professional tradesmen worldwide, manufacturing the world's finest hand tools in America. Their extensive product lineup includes essential equipment such as multimeters, thermal imagers, tracing probes, and rugged work lights tailored for demanding job sites.

Built to withstand tough conditions, Klein's diagnostic testers and safety equipment ensure precise measurements and reliable everyday performance. Whether it's testing a receptacle or tracing wires in an intricate electrical setup, professionals rely on Klein Tools for top-tier quality and durability.

Klein Tools manuals

Latest manuals from manuals+ curated for this brand.

kleintools 1001 Main Area Light Instruction Manual

September 15, 2024
kleintools 1001 Main Area Light Specifications Power button Battery Status Indicator USB-C input Charging Flap Main Area Light LEDs (x16) Glow Ring Kickstand MODboxTM Clasp Magnets (x4) Nail hole USB-C…

kleintools MM325 Digital Multimeter Instruction Manual

July 29, 2022
kleintools MM325 Digital Multimeter GENERAL SPECIFICATIONS Klein Tools MM325 is a manual-ranging multimeter that measures AC/DC voltage, DC current, and resistance. It can also test batteries, diodes, and continuity. Environment:…

KLEINTOOLS RT105 Receptacle Tester Instructions

January 19, 2022
KLEINTOOLS RT105 Receptacle Tester Instructions KEY Indicator Illuminated Indicator Not Illuminated Diagnostics Chart Indicator Fault Explanation Open Ground Ground contact is not connected Open Neutral Neutral contact is not connected…

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

application/pdf
‎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 manual for my Klein Tools multimeter?

    You can locate and download manuals directly from the product page on the Klein Tools website or right here on Manuals.plus.

  • What is the customer support number for Klein Tools?

    You can reach Klein Tools customer service at 1-800-553-4676.

  • How do I claim a warranty for a Klein Tools product?

    Warranty claims and information can be found at www.kleintools.com/warranty or by contacting their support team via email at customerservice@kleintools.com.

  • Can I replace a blown fuse in my Klein Digital Multimeter?

    Yes, check your specific device's user manual for the correct fuse model, replace it carefully while the power is off, and ensure the test leads are disconnected.