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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 TI250 Rechargeable Thermal Imager User Manual

User Manual

User manual for the Klein Tools TI250 rechargeable thermal imager, covering features, specifications, operation, safety, and maintenance. Learn how to use this advanced diagnostic tool for temperature measurement.

Klein Tools MM325 Manual-Ranging Digital Multimeter Instruction Manual

Instruction Manual

Comprehensive instruction manual for the Klein Tools MM325 manual-ranging digital multimeter. Covers features, specifications, operating instructions, maintenance, safety warnings, and troubleshooting for professional use.

Klein Tools 5144LG2 & 5144LG3 Gated Bucket Hook Instructions

instruction

Instructions for Klein Tools 5144LG2 and 5144LG3 Gated Bucket Hooks, detailing features, load limits, and compliance with ANSI/ISEA 121-2018 for dropped object prevention.

Klein Tools ET910 USB Digital Meter & Tester - Instruction Manual

Instruction Manual

Comprehensive instruction manual for the Klein Tools ET910 USB Digital Meter & Tester. Learn about its specifications, operating modes (Monitoring and Testing), function buttons, safety warnings, and maintenance.

Klein Tools KARBN™ Full-Brim Hard Hat: User Manual, Specs & Safety Guide

Instruction Manual

Detailed instructions and specifications for the Klein Tools KARBN™ Full-Brim Hard Hat (Models 60626, 60345, 60346, 60347). Covers general specifications, fitting, adjustments, maintenance, safety warnings, and accessory compatibility.

Klein Tools NCVT-3P Non-Contact Voltage Tester with Flashlight - User Manual

Instruction Manual

Comprehensive instructions and specifications for the Klein Tools NCVT-3P dual-range non-contact voltage tester with flashlight, covering operation, safety, maintenance, and disposal.

Klein Tools MM400 Auto-Ranging Digital Multimeter Instruction Manual

instruction manual

Comprehensive instruction manual for the Klein Tools MM400 Auto-Ranging Digital Multimeter, covering its features, specifications, safety warnings, and operating instructions for various electrical measurements.

Klein Tools 935DAG Digital Angle Gauge and Level Instructions

Instructions

Comprehensive instructions for the Klein Tools 935DAG Digital Angle Gauge and Level, covering general specifications, features, buttons, functions, recalibration, and battery replacement.

Klein Tools 935DGGP General Purpose Digital Angle Gauge

product overview

Information on the Klein Tools 935DGGP General Purpose Digital Angle Gauge, featuring its ability to measure angles in degrees, percent grade, mm/m, and in/ft, with a high-visibility reverse contrast display…

Klein Tools Ratcheting Ferrule Crimpers: Instructions and Maintenance

manual

Comprehensive guide for Klein Tools ratcheting ferrule crimpers, covering operation, adjusting crimping force, and changing dies. Includes safety warnings and product symbols.

Klein Tools Hard Hat Turbo Cooling Fan 60821/60822 Instructions

manual

Instructions for the Klein Tools Hard Hat Turbo Cooling Fan (Models 60821, 60822), including installation, operation, safety warnings, and maintenance.

VDV Scout Pro 2 Series: Voice, Data, Video Cable Testers

product overview

Klein Tools VDV Scout Pro 2 Series testers for voice, data, and video connections. Features include cable testing, mapping, length measurement, and remote identification for up to 19 locations.