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Test & Measurement

Klein Tools offers a wide variety of Test and Measurement Tools suitable for almost any application. These Klein Tools test and measurement products come in clamp meters, electrical testers, multimeters, test and measurement accessories, and specialty testers variants.

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Part #

Clamp Multimeters & Accessories Digital Clamp Meter, AC Auto-Range TRMS, Low Impedance (LoZ), Auto Off

CL800
Klein Tools
1: $156.460
20In Stock

Mfr. Part #
CL800

Mouser Part #
247-CL800

Clamp Multimeters & Accessories Digital Clamp Meter, AC Auto-Range TRMS, Low Impedance (LoZ), Auto Off

Datasheet

20In Stock

$156.460

$154.283

Min.: 1
Mult.: 1

Thermometers Dual Laser Infrared Thermometer

IR5
Klein Tools
1: $86.985
61In Stock

Mfr. Part #
IR5

Mouser Part #
247-IR5

Thermometers Dual Laser Infrared Thermometer

Datasheet

61In Stock

$86.985

$81.864

$79.318

$78.856

Min.: 1
Mult.: 1

Test Accessories - Other Replacement Test Lead Set, Right Angle

69410
Klein Tools
1: $25.903
14In Stock

Mfr. Part #
69410

Mouser Part #
247-69410

Test Accessories - Other Replacement Test Lead Set, Right Angle

Datasheet

14In Stock

$25.903

$24.462

$23.022

$22.306

View

Min.: 1
Mult.: 1

Clamp Multimeters & Accessories AC/DC Digital Clamp Meter, Auto-Ranging 400 Amp

CL390
Klein Tools
1: $116.801
9In Stock

Mfr. Part #
CL390

Mouser Part #
247-CL390

Clamp Multimeters & Accessories AC/DC Digital Clamp Meter, Auto-Ranging 400 Amp

Datasheet

9In Stock

$116.801

$109.723

$106.179

$105.137

Min.: 1
Mult.: 1

Clamp Multimeters & Accessories Digital Clamp Meter, AC Auto-Range TRMS, Low Impedance (LoZ), 2000 Amp

CL900
Klein Tools
1: $224.746
6In Stock

Mfr. Part #
CL900

Mouser Part #
247-CL900

Clamp Multimeters & Accessories Digital Clamp Meter, AC Auto-Range TRMS, Low Impedance (LoZ), 2000 Amp

Datasheet

6In Stock

$224.746

$214.534

$210.285

$204.796

View

Min.: 1
Mult.: 1

Component Testers AC/DC Voltage/Continuity Tester

ET250
Klein Tools
1: $63.207
2In Stock

Mfr. Part #
ET250

Mouser Part #
247-ET250

Component Testers AC/DC Voltage/Continuity Tester

Datasheet

2In Stock

$63.207

$59.484

$57.633

$55.771

View

Min.: 1
Mult.: 1

Component Testers Digital Circuit Breaker Finder with GFCI Outlet Tester

ET310
Klein Tools
1: $67.792
3In Stock
7Expected 8/11/2026

Mfr. Part #
ET310

Mouser Part #
247-ET310

Component Testers Digital Circuit Breaker Finder with GFCI Outlet Tester

Datasheet

3In Stock

7Expected 8/11/2026

$67.792

$63.806

$61.818

$59.820

View

Min.: 1
Mult.: 1

Digital Multimeters USB Digital Meter and Tester, USB-A (Type A)

ET910
Klein Tools
1: $59.557
2In Stock

Mfr. Part #
ET910

Mouser Part #
247-ET910

Digital Multimeters USB Digital Meter and Tester, USB-A (Type A)

Datasheet

2In Stock

$59.557

$56.055

$54.309

$53.521

Min.: 1
Mult.: 1

Digital Multimeters USB Digital Meter, USB-A and USB-C

ET920
Klein Tools
1: $45.864
23In Stock

Mfr. Part #
ET920

Mouser Part #
247-ET920

Digital Multimeters USB Digital Meter, USB-A and USB-C

Datasheet

23In Stock

$45.864

$43.309

$42.036

Min.: 1
Mult.: 1

Component Testers GFCI Outlet Tester

RT210
Klein Tools
1: $18.331
4In Stock
9Expected 8/12/2026

Mfr. Part #
RT210

Mouser Part #
247-RT210

Component Testers GFCI Outlet Tester

Datasheet

4In Stock

9Expected 8/12/2026

$18.331

$16.995

$16.438

$15.744

Min.: 1
Mult.: 1

Test Accessories - Other K-Type High Temperature Thermocouple

69142
Klein Tools
1: $37.009
3In Stock

Mfr. Part #
69142

Mouser Part #
247-69142

Test Accessories - Other K-Type High Temperature Thermocouple

Datasheet

3In Stock

$37.009

$35.326

$34.622

$33.717

View

Min.: 1
Mult.: 1

Test Accessories - Other K-Type to Banana Plug Adapter

69146
Klein Tools
1: $14.271
21In Stock

Mfr. Part #
69146

Mouser Part #
247-69146

Test Accessories - Other K-Type to Banana Plug Adapter

Datasheet

21In Stock

$14.271

$13.535

$12.399

$12.021

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Min.: 1
Mult.: 1

Component Testers AC/DC Voltage Tester

ET45
Klein Tools
1: $18.268
7In Stock

Mfr. Part #
ET45

Mouser Part #
247-ET45

Component Testers AC/DC Voltage Tester

Datasheet

7In Stock

$18.268

$17.311

$15.870

$15.386

View

Min.: 1
Mult.: 1

Component Testers AFCI /GFCI Outlet Tester

RT310
Klein Tools
1: $58.832
1In Stock

Mfr. Part #
RT310

Mouser Part #
247-RT310

Component Testers AFCI /GFCI Outlet Tester

Datasheet

1In Stock

$58.832

$55.371

$53.647

$51.922

View

Min.: 1
Mult.: 1

Thermometers Magnetic Digital Pocket Thermometer

ET10
Klein Tools
1: $34.916
Non-Stocked Lead-Time 2 Weeks

Mfr. Part #
ET10

Mouser Part #
247-ET10

Thermometers Magnetic Digital Pocket Thermometer

Datasheet

Non-Stocked Lead-Time 2 Weeks

$34.916

$32.361

$30.951

$29.900

View

Min.: 1
Mult.: 1