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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: $202.33
20In Stock

Mfr. Part No.
CL800

Mouser Part No
247-CL800

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

Datasheet

20In Stock

$202.33

$199.51

Min.: 1
Mult.: 1

Thermometers Dual Laser Infrared Thermometer

IR5
Klein Tools
1: $112.49
61In Stock

Mfr. Part No.
IR5

Mouser Part No
247-IR5

Thermometers Dual Laser Infrared Thermometer

Datasheet

61In Stock

$112.49

$105.86

$102.57

$101.97

Min.: 1
Mult.: 1

Test Accessories - Other Replacement Test Lead Set, Right Angle

69410
Klein Tools
1: $33.50
14In Stock

Mfr. Part No.
69410

Mouser Part No
247-69410

Test Accessories - Other Replacement Test Lead Set, Right Angle

Datasheet

14In Stock

$33.50

$31.63

$29.77

$28.85

View

Min.: 1
Mult.: 1

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

CL390
Klein Tools
1: $151.04
9In Stock

Mfr. Part No.
CL390

Mouser Part No
247-CL390

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

Datasheet

9In Stock

$151.04

$141.89

$137.31

$135.96

Min.: 1
Mult.: 1

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

CL900
Klein Tools
1: $290.63
6In Stock

Mfr. Part No.
CL900

Mouser Part No
247-CL900

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

Datasheet

6In Stock

$290.63

$277.43

$271.93

$264.83

View

Min.: 1
Mult.: 1

Component Testers AC/DC Voltage/Continuity Tester

ET250
Klein Tools
1: $81.74
2In Stock

Mfr. Part No.
ET250

Mouser Part No
247-ET250

Component Testers AC/DC Voltage/Continuity Tester

Datasheet

2In Stock

$81.74

$76.92

$74.53

$72.12

View

Min.: 1
Mult.: 1

Component Testers Digital Circuit Breaker Finder with GFCI Outlet Tester

ET310
Klein Tools
1: $87.67
3In Stock
7Expected 11/8/2026

Mfr. Part No.
ET310

Mouser Part No
247-ET310

Component Testers Digital Circuit Breaker Finder with GFCI Outlet Tester

Datasheet

3In Stock

7Expected 11/8/2026

$87.67

$82.51

$79.94

$77.36

View

Min.: 1
Mult.: 1

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

ET910
Klein Tools
1: $77.02
2In Stock

Mfr. Part No.
ET910

Mouser Part No
247-ET910

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

Datasheet

2In Stock

$77.02

$72.49

$70.23

$69.21

Min.: 1
Mult.: 1

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

ET920
Klein Tools
1: $59.31
23In Stock

Mfr. Part No.
ET920

Mouser Part No
247-ET920

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

Datasheet

23In Stock

$59.31

$56.00

$54.36

Min.: 1
Mult.: 1

Component Testers GFCI Outlet Tester

RT210
Klein Tools
1: $23.70
4In Stock
9Expected 12/8/2026

Mfr. Part No.
RT210

Mouser Part No
247-RT210

Component Testers GFCI Outlet Tester

Datasheet

4In Stock

9Expected 12/8/2026

$23.70

$21.98

$21.26

$20.36

Min.: 1
Mult.: 1

Test Accessories - Other K-Type High Temperature Thermocouple

69142
Klein Tools
1: $47.86
3In Stock

Mfr. Part No.
69142

Mouser Part No
247-69142

Test Accessories - Other K-Type High Temperature Thermocouple

Datasheet

3In Stock

$47.86

$45.68

$44.77

$43.60

View

Min.: 1
Mult.: 1

Test Accessories - Other K-Type to Banana Plug Adapter

69146
Klein Tools
1: $18.46
21In Stock

Mfr. Part No.
69146

Mouser Part No
247-69146

Test Accessories - Other K-Type to Banana Plug Adapter

Datasheet

21In Stock

$18.46

$17.50

$16.03

$15.54

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Min.: 1
Mult.: 1

Component Testers AC/DC Voltage Tester

ET45
Klein Tools
1: $23.62
7In Stock

Mfr. Part No.
ET45

Mouser Part No
247-ET45

Component Testers AC/DC Voltage Tester

Datasheet

7In Stock

$23.62

$22.39

$20.52

$19.90

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Min.: 1
Mult.: 1

Component Testers AFCI /GFCI Outlet Tester

RT310
Klein Tools
1: $76.08
1In Stock

Mfr. Part No.
RT310

Mouser Part No
247-RT310

Component Testers AFCI /GFCI Outlet Tester

Datasheet

1In Stock

$76.08

$71.60

$69.37

$67.14

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Min.: 1
Mult.: 1

Thermometers Magnetic Digital Pocket Thermometer

ET10
Klein Tools
1: $45.15
Non-Stocked Lead-Time 2 Weeks

Mfr. Part No.
ET10

Mouser Part No
247-ET10

Thermometers Magnetic Digital Pocket Thermometer

Datasheet

Non-Stocked Lead-Time 2 Weeks

$45.15

$41.85

$40.02

$38.66

View

Min.: 1
Mult.: 1