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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 ET20 Wireless Borescope Instruction Manual

November 8, 2022

KLEIN TOOLS ET20 Wireless Borescope GENERAL SPECIFICATIONS Klein Tools ET20 is a WiFi-connected borescope with a 0.35" (9mm) camera and a 6' (1.8 m) armored gooseneck. The video output is…

KLEIN TOOLS ET110 Carbon Monoxide Meter Instruction Manual

November 8, 2022

KLEIN TOOLS ET110 Carbon Monoxide Meter GENERAL SPECIFICATIONS Klein Tools ET110 is an easy-to-use meter that detects and measures concentration levels of carbon monoxide (CO), a colorless, odorless, flavorless gas…

KLEIN TOOLS IR5 Dual Laser Infrared Thermometer Instruction Manual

September 25, 2022

INSTRUCTION MANUAL Dual-laser Infrared Thermometer IR5 Dual Laser Infrared Thermometer DUAL-LASER TARGETING 12:1 DISTANCE TO-SPOT RATIO AUTO-SCAN MAX/MIN/AVG/DIFF HIGH/LOW ALARM BACKLIT DISPLAY AUTO POWER-OFF ADJUSTABLE EMISSIVITY GENERAL SPECIFICATIONS Klein Tools…

KLEIN TOOLS ET40 Digital AC and DC Voltage Tester Instructions

September 20, 2022

KLEIN TOOLS ET40 Digital AC and DC Voltage Tester Power On/Off Button Power On / Low Battery Indicator Voltage Level Indicators DC Polarity Indicators (AC when both illuminated) Hazardous Voltage…

KLEIN TOOLS IR1 Infrared Thermometer Instruction Manual

September 17, 2022

IR1 Infrared Thermometer Instruction Manual TARGETING LASER 10:1 DISTANCE-TO-SPOT RATIO BACKLIT DISPLAY AUTO POWER-OFF TARGETING LASER BACKLIT DISPLAY AUTO POWER-OFF GENERAL SPECIFICATIONS - IR1 Klein Tools IR1 is an entry-level…

KLEIN TOOLS NCVT-3P Dual-Range Non-Contact Voltage Tester with Flashlight Instructions

September 17, 2022

NCVT-3P Dual-Range Non-Contact Voltage Tester with Flashlight Instructions Manual NCV Power On/Off Button Flashlight Power On/Off Button Power On/Mode LEDs Voltage Detection LEDs (Inside Tip) Non-Contact Tip Flashlight Pocket Clip…

KLEIN TOOLS ET140 Pinless Moisture Meter Instruction Manual

September 16, 2022

INSTRUCTION MANUAL Pinless Moisture Meter • PINLESS, NON-DESTRUCTIVE MOISTURE METER MOISTURE METER ET140 GENERAL SPECIFICATIONS Klein Tools ET140 is designed to non‑invasively detect moisture based on a material's capacitance. The…

KLEIN TOOLS CL120KIT 400A AC Auto-Ranging Digital Clamp Meter Instruction Manual

September 15, 2022

KLEIN TOOLS CL120KIT 400A AC Auto-Ranging Digital Clamp Meter GENERAL SPECIFICATIONS Klein Tools CL120 is an automatically ranging digital clamp-meter that measures AC current via the clamp, and AC/DC voltage,…

KLEIN TOOLS ET120 Combustible Gas Leak Detector Instruction Manual

September 15, 2022

KLEIN TOOLS ET120 Combustible Gas Leak Detector GENERAL SPECIFICATIONS Klein Tools ET120 is an easy-to-use tester that provides audible and visual alarms in the presence of methane, propane and butane…

KLEIN TOOLS MM450 Auto Ranging Digital Multimeter Instruction Manual

September 8, 2022

KLEIN TOOLS MM450 Auto Ranging Digital Multimeter GENERAL SPECIFICATIONS Klein Tools MM450 is an auto-ranging, true root mean square (TRMS) multimeter that measures AC/DC voltage, AC/DC current, and resistance. It…

Klein Tools TI290 Rechargeable Pro Thermal Imager: Instruction Manual and Specifications

Instruction Manual

This document provides the instruction manual and detailed specifications for the Klein Tools TI290 Rechargeable Pro Thermal Imager, covering its features, operation, safety guidelines, and compliance information.

Klein Tools MM400 Auto-Ranging Digital Multimeter - Instruction Manual

Instruction Manual

User guide for the Klein Tools MM400 auto-ranging digital multimeter. Learn about its features, specifications, and operating instructions for measuring voltage, current, resistance, capacitance, frequency, and temperature.

Klein Tools TI290 Rechargeable Pro Thermal Imager Instruction Manual

Instruction Manual

Comprehensive instruction manual for the Klein Tools TI290 Rechargeable Pro Thermal Imager, detailing features, specifications, operation, and safety guidelines.

Klein Tools ET21 Wireless Borescope Instruction Manual

Instruction Manual

Instruction manual for the Klein Tools ET21 Wireless Borescope, detailing features, specifications, operation, and safety. Connects via Wi-Fi to iOS and Android devices for visual inspections.

Klein Tools NCVT3P Dual-Range Non-Contact Voltage Tester with Flashlight - User Manual

Instruction Manual

Comprehensive user manual for the Klein Tools NCVT3P Dual-Range Non-Contact Voltage Tester with Flashlight. Includes safety warnings, operating instructions, specifications, and maintenance details.

Klein Tools Scout Pro 3: Professional Cable Tester and Wire Mapper

Instruction Manual

Discover the Klein Tools Scout Pro 3, a versatile cable tester for voice, data, and video. Features include wire mapping, length measurement, tone generation, and hub blink testing for efficient…

Klein Tools AEPJS-1 Bluetooth Jobsite Speaker User Manual

Instruction Manual

Explore the Klein Tools AEPJS-1, a durable and high-quality Bluetooth jobsite speaker. This manual provides essential information on features, specifications, operation, safety, and maintenance for reliable audio performance in various…

Klein Tools AESBH1: Bluetooth Earmuffs Instruction Manual & Features

instruction manual

Comprehensive instruction manual for Klein Tools AESBH1 Bluetooth Earmuffs, detailing features, specifications, operation, safety guidelines, and compliance information for hearing protection and audio.

Klein Tools CL700: 600A AC Auto-Ranging Digital Clamp Meter Instruction Manual

instruction manual

Discover the features and operation of the Klein Tools CL700, a 600A AC auto-ranging digital clamp meter. This manual provides comprehensive instructions for its use, including True RMS measurement, Low…

Klein Tools KTB500 Portable Power Station: User Manual & Specifications

Instruction Manual

Comprehensive guide to the Klein Tools KTB500 portable power station, covering specifications, features, operation, troubleshooting, and maintenance. Features 505Wh lithium-ion battery, 500W AC output, USB-C PD, and more.

Klein Tools RT250 GFCI Receptacle Tester with LCD: Instructions and Specifications

instruction

Detailed operating instructions, safety warnings, and specifications for the Klein Tools RT250 GFCI Receptacle Tester with LCD. Covers wiring conditions, GFCI testing, battery replacement, and troubleshooting.

Klein Tools RT105 Receptacle Tester: Instructions and Specifications

Instruction Manual

Comprehensive guide for the Klein Tools RT105 Receptacle Tester, detailing its specifications, usage instructions, wiring configuration testing, safety precautions, and disposal information.