📘 Klein Tools manuals • Free online PDFs

Klein Tools Manuals & User Guides

Klein Tools is a premier American manufacturer of professional-grade hand tools, test equipment, and personal protective gear for electricians and tradespeople.

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

Klein Tools Support

Official site: https://www.kleintools.com/
General support: https://www.kleintools.com/contact
Warranty & registration: Warranty info
Support phone: 1-800-553-4676
Support email: customerservice@kleintools.com
Contact form: Contact manufacturer support

Klein Tools manuals

Latest manuals from manuals+ curated for this brand.

KLEIN TOOLS NCVT-3P Dual Range Non Contact Voltage Tester Instruction Manual

July 10, 2026

KLEIN TOOLS NCVT-3P Dual Range Non Contact Voltage Tester Safety information Warnings To ensure safe operation and service of the tester, follow these instructions. Failure to observe these warnings can…

KLEIN TOOLS CL320KIT HVAC Electrical Test Kit Instructions

July 10, 2026

KLEIN TOOLS CL320KIT HVAC Electrical Test Kit GENERAL SPECIFICATIONS The Klein Tools IR07 is a dual IR (infrared) Thermometer and probe Thermometer. It features an IR Thermometer with laser targeting,…

KLEIN TOOLS MM420EU Auto Ranging Trms Digital Multimeter Instruction Manual

July 6, 2026

INSTRUCTION MANUAL Auto-Ranging TRMS Digital Multimeter MM420EUCAT III 600 V MM420EU Auto Ranging TRMS Digital Multimeter LEAD ALERT PROTECTION DATA HOLD AUDIBLE CONTINUITY MIN/MAX TEMPERATURE DIODE TEST CAPACITANCE GENERAL SPECIFICATIONS…

KLEIN TOOLS CL390 AC-DC Digital Clamp Meter Instruction Manual

June 21, 2026

KLEIN TOOLS CL390 AC-DC Digital Clamp Meter GENERAL SPECIFICATIONS Klein Tools CL390 is an automatically ranging true root mean square (TRMS) digital clamp meter that measures AC/DC current via the…

KLEIN TOOLS ESF200 Multi Scan Stud Finder Instruction Manual

June 2, 2026

KLEIN TOOLS ESF200 Multi Scan Stud Finder GENERAL SPECIFICATIONS Environment: Indoor: Do not expose to moisture, rain, or snow. Operating Altitude: 6562' (2000m) Operating Temperature: 32°F to 122°F (0°C to…

KLEIN TOOLS ET190 Combustible Gas Leak Detector Instructions

June 1, 2026

KLEIN TOOLS ET190 Combustible Gas Leak Detector Specifications Model: ET190 Manufacturer: Klein Tools Detection Capability: Detects combustible gases, including methane, propane, and butane. Sensitivity: Detects leaks as low as 100…

KLEIN TOOLS 80025 Outlet Tester Kit User Manual

May 24, 2026

KLEIN TOOLS 80025 Outlet Tester Kit INTRODUCTION Electrical safety is top of mind for homeowners, professional contractors and house inspectors alike. You need dependable diagnostic tools to handle hidden electrical…

Klein Tools RJSC300 Two Way Radio User Manual

April 22, 2026

RJSC300 INSTRUCTIONS Two-Way Radio RJSC300 Two Way Radio The Klein Tools RJSC300 Two-Way Radio features 22 main channels with 121 Sub-channels. VOX voice activation with 3 sensitivity levels allows handsfree…

KLEIN TOOLS RJSC200 Bluetooth Two-Way Radio Instruction Manual

April 22, 2026

KLEIN TOOLS RJSC200 Bluetooth Two-Way Radio The Klein Tools RJSC200 Bluetooth® Two-Way Radio features 22 channels. VOX voice activation with 3 sensitivity levels allows hands-free operation. Includes swappable belt clip…

KLEIN TOOLS MM320KIT Electrical Instruments Voltage Meters Instructions

April 18, 2026

KLEIN TOOLS MM320KIT Electrical Instruments Voltage Meters Product Information Product Name: Electrical Instruments Model: Voltage Meters Manufacturer & EU Representative Info Manufacturer: Shenzhen Hangyue Trading Co., Ltd Address: No. 8,…

Klein Tools Conduit Bender Guide

instruction

A comprehensive guide on how to perform various conduit bends, including 90° stub-ups, back-to-back bends, offsets, and 3-point saddle bends using Klein Tools conduit benders.

Klein Tools Slim-Profile Mini Ratchet Set (65200) Overview

datasheet

Technical overview of the Klein Tools Slim-Profile Mini Ratchet Set (65200), featuring a 72-tooth low-profile head, integrated nut drivers, and high-strength steel construction for tight spaces.

Klein Tools RT110 Receptacle Tester Instructions

manual

User manual and diagnostic guide for the Klein Tools RT110 Receptacle Tester. Includes instructions for identifying wiring problems, specifications, and safety warnings.

Klein Tools VDV500-123EU Probe-Pro Tracing Probe Instruction Manual

manual

Instruction manual for the Klein Tools VDV500-123EU Probe-Pro, a professional-series tone tracer for analogue tone tracing and wire identification.

Klein Tools LAN Explorer™ Cable Tester (VDV526100EU) User Manual

manual

User manual for the Klein Tools LAN Explorer™ cable tester (VDV526100EU). Includes specifications, operating instructions, and troubleshooting for RJ45, RJ11, and RJ12 cables.

Klein Tools VDV500-063 Toner-Pro Tone Generator Instruction Manual

manual

Comprehensive instruction manual for the Klein Tools VDV500-063 Toner-Pro Tone Generator. Learn how to trace wires, test RJ11/RJ12/RJ45 jacks, and check continuity and polarity.

Klein Tools ET390 Digital Circuit Breaker Finder User Manual

manual

Comprehensive user manual for the Klein Tools ET390 Digital Circuit Breaker Finder. Includes operating instructions, safety warnings, specifications, and troubleshooting for circuit breaker identification.

Klein Tools ET60 Electronic AC/DC Voltage Tester Instruction Manual

manual

Official instruction manual for the Klein Tools ET60 Electronic AC/DC Voltage Tester. Includes specifications, safety warnings, operating instructions, and maintenance guidelines.

Klein Tools ET900 USB Digital Meter - Instruction Manual

manual

User manual for the Klein Tools ET900 USB Digital Meter (Type A). Learn how to monitor voltage, current, capacity, energy, and resistance for USB devices.

Klein Tools NCVT-1 and NCVT-2 Non-Contact Voltage Testers Specification

technical specification

Technical specifications, safety warnings, and operating features for the Klein Tools NCVT-1 and NCVT-2 Non-Contact Voltage Testers.

Klein Tools CL390EU 400A AC/DC Digital Clamp Meter Instruction Manual

manual

Comprehensive instruction manual for the Klein Tools CL390EU 400A AC/DC Auto-Ranging Digital Clamp Meter. Includes specifications, safety warnings, and operating procedures.

Klein Tools MM720EU Auto-Ranging TRMS Digital Multimeter Instruction Manual

manual

Comprehensive instruction manual for the Klein Tools MM720EU Auto-Ranging TRMS Digital Multimeter. Includes detailed electrical specifications, safety warnings, operating instructions for voltage, current, resistance, and temperature measurements, and maintenance procedures.

‎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,,

60155 Cooling Fan

Instruction Manual

29025, 60155 Cooling Fan, 60155, Cooling Fan, Fan

RT210

application/pdf

RT210, Klein Tools,Klein Tools,Klein,Tools,RT210,Outlet,Tester,Receptacle,Tester,for,GFCI,/,Standard,North,American,AC,Electrical,Outlets,Detects,Common,Wiring,Problems,Pack,of,1,GFCI,Outlet,Tester,B0D31G6MQ6,B01AKX8L0M

CL150

application/pdf

CL150, Klein Tools,Klein Tools,Klein,Tools,CL150,Clamp,Meter,AC,Electrical,Tester,with,18-Inch,Flexible,Clamp,True,RMS,Readings,Auto,Ranging,and,More,B0D78VV479,B07BQR9FT1

CL490 400A AC/DC Display Digital Clamp Meter

Instruction Manual

CL490 400A AC DC Display Digital Clamp Meter, CL490, 400A AC DC Display Digital Clamp Meter, AC DC Display Digital Clamp Meter, Display Digital Clamp Meter, Digital Clamp Meter, Clamp…

‎ET20

application/pdf

‎ET20, Klein Tools,‎Klein Tools,Klein,Tools,ET20,Wi-Fi,Borescope,9,mm,6-Foot,Armored,Waterproof,Gooseneck,Snake,LED,Lights,Rechargeable,Battery,Endoscope,Inspection,Camera,,

85105 Screwdriver Set

User Guide

85105 Screwdriver Set, 85105, Screwdriver Set, Set

ET17 Series Utility Borescope

Datasheet

ET18, ET17, ET19, ET17 Series Utility Borescope, ET17 Series, Utility Borescope, Borescope

ET450 Advanced Circuit Tracer Kit

Instruction Manual

ET450, 5001748, ET450 Advanced Circuit Tracer Kit, ET450, Advanced Circuit Tracer Kit, Circuit Tracer Kit, Tracer Kit

69149P Electrical Test Kit

Datasheet

69149P, 69149P Electrical Test Kit, Electrical Test Kit, Test Kit, Kit

CHLK14R Quick Fill Manual Chalk Line

Datasheet

CHLK14R, CHLK50B, CHLK100, CHLK14R Quick Fill Manual Chalk Line, CHLK14R, Quick Fill Manual Chalk Line, Fill Manual Chalk Line, Manual Chalk Line, Chalk Line

ET05

application/pdf

ET05, Klein Tools,Klein Tools,Klein,Tools,ET05,Digital,Pocket,Thermometer,B0BLK237Y8,B077ZB71LK,B071JRZB49,B0CF2F6MSK

Klein Tools manuals from online retailers

Klein Tools 44303 FLICKBLADE Folding Utility Knife with Blade Storage Instruction Manual

44303 • June 15, 2026

Comprehensive instruction manual for the Klein Tools 44303 FLICKBLADE Folding Utility Knife with Blade Storage, covering setup, operation, maintenance, and specifications.

Klein Tools ET310KIT AC Circuit Breaker Finder Kit Instruction Manual

ET310KIT • May 26, 2026

Comprehensive instruction manual for the Klein Tools ET310KIT AC Circuit Breaker Finder Kit, including setup, operation, maintenance, troubleshooting, and specifications for safe and effective use.

Klein Tools ET20 Wi-Fi Borescope Instruction Manual

ET20 • April 10, 2026

Instruction manual for the Klein Tools ET20 Wi-Fi Borescope, featuring a 9 mm 6-foot armored waterproof gooseneck snake, LED lights, and rechargeable battery. Learn setup, operation, maintenance, and…

Klein Tools 32717 Precision Screwdriver Set Instruction Manual

32717 • March 26, 2026

Comprehensive instruction manual for the Klein Tools 32717 Precision Screwdriver Set. Learn about its features, setup, operation, maintenance, and specifications for working with electronics and precision fasteners.

Klein Tools CL110KIT 400 Amp True RMS AC Auto-Ranging Digital Clamp Meter Electrical Maintenance and Test Kit User Manual

CL110KIT • March 15, 2026

Comprehensive user manual for the Klein Tools CL110KIT, including setup, operation, maintenance, troubleshooting, and specifications for the 400 Amp True RMS AC Auto-Ranging Digital Clamp Meter, GFCI Receptacle…

Klein Tools video guides

Watch setup, installation, and troubleshooting videos for this brand.

The Manufacturing Journey of Klein Tools Pliers

1:05 • 1280×720 • visual_overview

Klein Tools NCVT-2P and NCVT-3P Dual-Range Non-Contact Voltage Testers Feature Demo

1:23 • 640×360 • feature_demo

Klein Tools 5/16-inch Keystone Screwdriver 600-6 with 6-inch Square Shank | Product Overview

0:24 • 1280×720 • visual_overview

Klein Tools 600-6 5/16-inch Keystone Screwdriver with 6-inch Square Shank

0:24 • 1920×1080 • feature_demo

Klein Tools Manuals & User Guides

Klein Tools manuals

Klein Tools manuals from online retailers

The Manufacturing Journey of Klein Tools Pliers

Klein Tools NCVT-2P and NCVT-3P Dual-Range Non-Contact Voltage Testers Feature Demo

Klein Tools K12035 Heavy-Duty Shear-Cut Wire Stripper: Features & Benefits

Klein Tools K12035 Heavy-Duty Shear-Cut Wire Stripper: Features and Benefits

Klein Tools K12035 Heavy-Duty Shear-Cut Wire Stripper: Features & Benefits

Klein Tools 605-6B 6-inch Wire Bending Cabinet-Tip Screwdriver Feature Demo

Klein Tools 605-6B 6-inch Wire Bending Cabinet-Tip Screwdriver Overview

Klein Tools 605-6B 6-inch Wire Bending Cabinet-Tip Screwdriver Product Overview

Klein Tools 605-4B Wire Bending Cabinet-Tip Screwdriver with TIP-IDENT® Feature

Klein Tools 605-4B Wire Bending Cabinet-Tip Screwdriver Feature Demonstration

Klein Tools 5/16-inch Keystone Screwdriver 600-6 with 6-inch Square Shank | Product Overview

Klein Tools 600-6 5/16-inch Keystone Screwdriver with 6-inch Square Shank