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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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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (USD) Filter the results in the table by unit price based on your quantity.	Qty.
Clamp Multimeters & Accessories AC/DC Digital Clamp Meter, Auto-Ranging 400 Amp CL390 Klein Tools 1: $102.10 20In Stock	Mfr. Part No. CL390 Mouser Part No 247-CL390	Klein Tools	Clamp Multimeters & Accessories AC/DC Digital Clamp Meter, Auto-Ranging 400 Amp Learn More about Klein Tools 400a clamp meters	Datasheet	20In Stock	$102.10 $99.97	Min.: 1 Mult.: 1
Digital Multimeters USB Digital Meter, USB-A and USB-C ET920 Klein Tools 1: $39.97 44In Stock	Mfr. Part No. ET920 Mouser Part No 247-ET920	Klein Tools	Digital Multimeters USB Digital Meter, USB-A and USB-C Learn More about Klein Tools test and measurement	Datasheet	44In Stock	$39.97	Min.: 1 Mult.: 1
Clamp Multimeters & Accessories Digital Clamp Meter, AC Auto-Range TRMS, Low Impedance (LoZ), Auto Off CL800 Klein Tools 1: $155.81 17In Stock	Mfr. Part No. CL800 Mouser Part No 247-CL800	Klein Tools	Clamp Multimeters & Accessories Digital Clamp Meter, AC Auto-Range TRMS, Low Impedance (LoZ), Auto Off Learn More about Klein Tools test and measurement	Datasheet	17In Stock	$155.81 $155.80	Min.: 1 Mult.: 1
Thermometers Dual Laser Infrared Thermometer IR5 Klein Tools 1: $74.98 56In Stock	Mfr. Part No. IR5 Mouser Part No 247-IR5	Klein Tools	Thermometers Dual Laser Infrared Thermometer Learn More about Klein Tools test and measurement	Datasheet	56In Stock	$74.98	Min.: 1 Mult.: 1
Test Accessories - Other Replacement Test Lead Set, Right Angle 69410 Klein Tools 1: $22.05 4In Stock	Mfr. Part No. 69410 Mouser Part No 247-69410	Klein Tools	Test Accessories - Other Replacement Test Lead Set, Right Angle Learn More about Klein Tools test and measurement	Datasheet	4In Stock	$22.05 $21.06 $20.63 $20.09 $19.97	Min.: 1 Mult.: 1
Clamp Multimeters & Accessories Digital Clamp Meter, AC Auto-Range TRMS, Low Impedance (LoZ), 2000 Amp CL900 Klein Tools 1: $213.70 4In Stock	Mfr. Part No. CL900 Mouser Part No 247-CL900	Klein Tools	Clamp Multimeters & Accessories Digital Clamp Meter, AC Auto-Range TRMS, Low Impedance (LoZ), 2000 Amp Learn More about Klein Tools test and measurement	Datasheet	4In Stock	$213.70 $203.99 $199.95 $194.73 View $190.87 Quote	Min.: 1 Mult.: 1
Component Testers AC/DC Voltage/Continuity Tester ET250 Klein Tools 1: $54.96 2In Stock	Mfr. Part No. ET250 Mouser Part No 247-ET250	Klein Tools	Component Testers AC/DC Voltage/Continuity Tester Learn More about Klein Tools test and measurement	Datasheet	2In Stock	$54.96 $52.46 $51.42 $50.08 $49.97	Min.: 1 Mult.: 1
Component Testers Digital Circuit Breaker Finder with GFCI Outlet Tester ET310 Klein Tools 1: $58.79 6In Stock 14Expected 22/10/2026	Mfr. Part No. ET310 Mouser Part No 247-ET310	Klein Tools	Component Testers Digital Circuit Breaker Finder with GFCI Outlet Tester Learn More about Klein Tools industrial automation test measure	Datasheet	6In Stock 14Expected 22/10/2026	$58.79 $56.13 $55.01 $54.44	Min.: 1 Mult.: 1
Digital Multimeters USB Digital Meter and Tester, USB-A (Type A) ET910 Klein Tools 1: $56.63 2In Stock	Mfr. Part No. ET910 Mouser Part No 247-ET910	Klein Tools	Digital Multimeters USB Digital Meter and Tester, USB-A (Type A) Learn More about Klein Tools test and measurement	Datasheet	2In Stock	$56.63 $53.30 $51.64 $50.89	Min.: 1 Mult.: 1
Component Testers GFCI Outlet Tester RT210 Klein Tools 1: $15.24 13In Stock	Mfr. Part No. RT210 Mouser Part No 247-RT210	Klein Tools	Component Testers GFCI Outlet Tester Learn More about Klein Tools test and measurement	Datasheet	13In Stock	$15.24 $14.56 $14.26 $13.98	Min.: 1 Mult.: 1
Test Accessories - Other K-Type High Temperature Thermocouple 69142 Klein Tools 1: $35.89 2In Stock	Mfr. Part No. 69142 Mouser Part No 247-69142	Klein Tools	Test Accessories - Other K-Type High Temperature Thermocouple Learn More about Klein Tools test and measurement	Datasheet	2In Stock	$35.89 $35.88	Min.: 1 Mult.: 1
Test Accessories - Other K-Type to Banana Plug Adapter 69146 Klein Tools 1: $11.81 14In Stock	Mfr. Part No. 69146 Mouser Part No 247-69146	Klein Tools	Test Accessories - Other K-Type to Banana Plug Adapter Learn More about Klein Tools test and measurement	Datasheet	14In Stock	$11.81 $11.27 $11.05 $10.76 View $10.55 $10.34 $10.07 $9.99	Min.: 1 Mult.: 1
Component Testers AC/DC Voltage Tester ET45 Klein Tools 1: $14.97 7In Stock	Mfr. Part No. ET45 Mouser Part No 247-ET45	Klein Tools	Component Testers AC/DC Voltage Tester Learn More about Klein Tools acdc voltage receptacle test kit	Datasheet	7In Stock	$14.97 $14.29 $14.01 $13.64 View $13.37 $13.11 $12.98	Min.: 1 Mult.: 1
Component Testers AFCI /GFCI Outlet Tester RT310 Klein Tools 1: $51.29 1In Stock	Mfr. Part No. RT310 Mouser Part No 247-RT310	Klein Tools	Component Testers AFCI /GFCI Outlet Tester Learn More about Klein Tools industrial automation test measure	Datasheet	1In Stock	$51.29 $48.97 $48.00 $46.74 View $45.82 $44.99	Min.: 1 Mult.: 1
Thermometers Magnetic Digital Pocket Thermometer ET10 Klein Tools 1: $29.79 Non-Stocked Lead-Time 2 Weeks	Mfr. Part No. ET10 Mouser Part No 247-ET10	Klein Tools	Thermometers Magnetic Digital Pocket Thermometer Learn More about Klein Tools test and measurement	Datasheet	Non-Stocked Lead-Time 2 Weeks	$29.79 $28.44 $27.87 $27.14 View $26.60 $26.07 $25.39	Min.: 1 Mult.: 1

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Test & Measurement

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Test & Measurement

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