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Best testers - Black Friday 2025

Last Updated - November 24, 2025

1
Best Choice
25% Off

✖
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Fluke
25% Off

Fluke 17B+ Digital Multimeter, for Electrical Applications, Measures AC/DC Voltage 1000V, Current Measurements to 10A, Resistance, Continuity, Diode, Capacitance, Frequency, and Temperature Testing

Fluke

$124.49

$165.99
(25% Off)

More Details
Main highlights
- Temperature measurement: Provides easy monitoring of heating and cooling systems up to 400C with included type K thermocouple.
- Resistance, Continuity, Capacitance: Essential measurement functions for troubleshooting electrical issues in a wide range of systems, allowing you to quickly diagnose and repair problems.
- Diode Test: Allows you to quickly and accurately identify faulty diodes, saving you time and money on repairs.
- CAT III 600V Safety Rating: Ensuring your safety when working on electrical systems in common residential, commercial, and industrial settings.
- AC/DC Voltage and Current Measurements up to 1000V and 10A: Allowing you to get accurate readings for a variety of electrical applications.
$124.49
$165.99 (25% Off)
2
Best Value
23% Off

✖
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Fluke
23% Off

Fluke 15B+ Digital Multimeter, for Electrical Applications, Measures AC/DC Voltage and Current Measurements up to 1000V and 10A, Along with Resistance, Continuity, Diode, and Capacitance Capabilities

Fluke

$99.00

$129.99
(23% Off)

More Details
Main highlights
- Voltage, Resistance, Continuity, Capacitance: Essential measurement functions for troubleshooting electrical issues in a wide range of systems, allowing you to quickly diagnose and repair problems.
- Input Terminal for AC/DC Current Measurements to 10A: Allowing you to get accurate readings for a variety of electrical applications.
- CAT III 600V Safety Rating: Ensuring your safety when working on electrical systems in common residential and commercial settings
- AC/DC Voltage Measurement up to 1000V: Quickly and accurately measure both AC and DC voltage in a wide range of applications, from automotive systems to electrical panels to commercial equipment.
- AC/DC Current Measurement up to 10A: Accurately measure AC and DC current for diagnosing electrical problems such as overloading, short circuits, and faulty wiring.
$99.00
$129.99 (23% Off)
3
11% Off

✖
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

KLEIN TOOLS
11% Off

Klein Tools 69149P Electrical Test Kit with Digital Multimeter, Noncontact Voltage Tester and Electrical Outlet Tester, Leads and Batteries

KLEIN TOOLS

$39.98

$44.98
(11% Off)

More Details
Main highlights
- VERSATILE MULTIMETER: Measures up to 600V AC/DC voltage, 10A DC current, and 2MOhms resistance
- RELIABLE RECEPTACLE TESTER: Klein's Cat. No. RT105 detects wiring configurations, indicates correct wiring, and identifies common wiring faults
- NON-CONTACT VOLTAGE TESTER: NCVT1P with bright LED indicating working status, changing to red and producing audible tones when voltage is detected
- HIGH-INTENSITY VOLTAGE DETECTION: NCVT1P with bright red LED and audible tone for detecting voltage in the range of 50 to 1000 VAC
- CONTINUITY TESTING: MM300 multimeter with visual and audible indicators for testing continuity
$39.98
$44.98 (11% Off)
4

✖
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

KLEIN TOOLS

Klein Tools NCVT1P Voltage Tester, Non-Contact Low Voltage Tester Pen, 50V to 1000V AC, Audible and Flashing LED Alarms, Pocket Clip

KLEIN TOOLS

$19.97

More Details
Main highlights
- TRUSTED SAFE with a safety rating of CAT IV 1000V
- RECOMMENDED for non-tamper-resistant outlets; For tamper-resistant outlets, use Cat. Nos. NCVT-2P or NCVT-3P in low voltage mode
- NON-CONTACT DETECTION of AC voltage in cables, cords, circuit breakers, lighting fixtures, switches, non-tamper-resistant outlets, and wires
- LIGHTWEIGHT AND DURABLE compact design with a convenient clip fits securely in pocket; 6.6-Foot (2 m) drop protection
- CONSERVE BATTERIES with auto power-off function
- CLEAR INDICATION: Bright LED illuminates green to indicate tester is operational and flashes red and emits a beeping alert when voltage is detected
- BROAD APPLICATION with a 50 to 1000V AC power detection range
$19.97
5
10% Off

✖
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

KLEIN TOOLS
10% Off

Klein Tools ET310 AC Circuit Breaker Finder, Electric and Voltage Tester with Integrated GFCI Outlet Tester

KLEIN TOOLS

$44.97

$49.97
(10% Off)

More Details
Main highlights
- WIDE COMPATIBILITY: Operates on 90-120V AC circuits, making it suitable for a variety of electrical systems and installations
- UNIVERSAL CONNECTIVITY: The Transmitter features a three-pin plug for easy connection to North-American-style grounded electrical outlets, ensuring seamless compatibility
- TWO-PART SYSTEM: Consists of a Transmitter connected to the outlet/fixture and a Receiver to scan the panel, allowing for easy and accurate breaker identification
- CONVENIENT STORAGE: The Transmitter docks in the Receiver, offering a compact storage solution, keeping the components together when not in use
- CLEAR INDICATIONS: The Receiver provides visual and audible cues when the correct breaker is found, ensuring a hassle-free locating process
- BUILT-IN GFCI TESTER: The Transmitter includes a GFCI outlet tester, enabling you to inspect wiring conditions and test GFCI devices for added safety
- ACCURATE CIRCUIT BREAKER IDENTIFICATION: Quickly locate the correct breaker with precision using our circuit breaker finder, ensuring efficient electrical troubleshooting
$44.97
$49.97 (10% Off)

Best testers - Black Friday 2025

Fluke 17B+ Digital Multimeter, for Electrical Applications, Measures AC/DC Voltage 1000V, Current Measurements to 10A, Resistance, Continuity, Diode, Capacitance, Frequency, and Temperature Testing

Fluke 15B+ Digital Multimeter, for Electrical Applications, Measures AC/DC Voltage and Current Measurements up to 1000V and 10A, Along with Resistance, Continuity, Diode, and Capacitance Capabilities

Klein Tools 69149P Electrical Test Kit with Digital Multimeter, Noncontact Voltage Tester and Electrical Outlet Tester, Leads and Batteries

Klein Tools NCVT1P Voltage Tester, Non-Contact Low Voltage Tester Pen, 50V to 1000V AC, Audible and Flashing LED Alarms, Pocket Clip

Klein Tools ET310 AC Circuit Breaker Finder, Electric and Voltage Tester with Integrated GFCI Outlet Tester

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Klein Tools 80016 Circuit Breaker Finder Tool Kit with Accessories, GFCI Outlet Tester, 2-Piece Set, Includes Cat. No. ET310 and Cat. No. 69411

Fluke 2AC Alert Voltage Tester

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Klein Tools 80025 Outlet Tester Kit with GFCI Tester and Non-Contact Voltage Test Pen, 2-Piece

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