Electrical Testers

These testers are designed for electricians, plant maintenance, HVAC/R, service technicians, hobbyists and homeowners. They are designed to test voltage, continuity, circuit breakers, outlets and even locate hidden wires. Find a wide selection of these meters to fit your application.


Extech ET25 Compact Size AC/DC Voltage Tester, 90-300V DC-

Extech ET25 Compact Size AC/DC Voltage Tester, 90-300V DC
Model: ET25

Sale Price $5.39 USD
Regular Price $5.99 USD
Availability 117 in Stock

Qty:

Sale Price $5.39 USD
Regular Price $5.99 USD
Availability 117 in Stock
Quantity

Extech CT20 Continuity Tester Pro-

Extech CT20 Continuity Tester Pro
Model: CT20

Sale Price $33.65 USD
Regular Price $37.39 USD
Availability 5 in Stock

Qty:

Sale Price $33.65 USD
Regular Price $37.39 USD
Availability 5 in Stock
Quantity

Extech CT70 AC Circuit Load Tester-

Extech CT70 AC Circuit Load Tester
Model: CT70

Sale Price $197.99 USD
Regular Price $219.99 USD
Availability 4 in Stock

Qty:

Sale Price $197.99 USD
Regular Price $219.99 USD
Availability 4 in Stock
Quantity

Extech CB10 AC Circuit Breaker Finder/Receptacle Tester-

Extech CB10 AC Circuit Breaker Finder/Receptacle Tester
Model: CB10

Sale Price $40.58 USD
Regular Price $45.09 USD
Availability 1 in Stock

Qty:

Sale Price $40.58 USD
Regular Price $45.09 USD
Availability 1 in Stock
Quantity

Extech CB10-KIT Electrical Troubleshooting Kit-

Extech CB10-KIT Electrical Troubleshooting Kit
Model: CB10-KIT

Sale Price $89.09 USD
Regular Price $98.99 USD
Availability 2 to 3 Weeks

Qty:

Sale Price $89.09 USD
Regular Price $98.99 USD
Availability 2 to 3 Weeks
Quantity

Extech ET10 GFCI Receptacle Tester-

Extech ET10 GFCI Receptacle Tester
Model: ET10

Sale Price $11.69 USD
Regular Price $12.99 USD
Availability 1 in Stock

Qty:

Sale Price $11.69 USD
Regular Price $12.99 USD
Availability 1 in Stock
Quantity

Extech DL160 Dual Input TRMS AC Voltage/Current Data Logger-

Extech DL160 Dual Input TRMS AC Voltage/Current Data Logger
Model: DL160

Sale Price $316.79 USD
Regular Price $351.99 USD
Availability 2 to 3 Weeks

Qty:

Sale Price $316.79 USD
Regular Price $351.99 USD
Availability 2 to 3 Weeks
Quantity

Extech DV23 Non-Contact Voltage Detector-

Extech DV23 Non-Contact Voltage Detector
Model: DV23

Sale Price $13.85 USD
Regular Price $15.39 USD
Availability 1 to 2 Weeks

Qty:

Sale Price $13.85 USD
Regular Price $15.39 USD
Availability 1 to 2 Weeks
Quantity

Extech DV25 Dual-Range AC Voltage Detector plus Flashlight-

Extech DV25 Dual-Range AC Voltage Detector plus Flashlight
Model: DV25

Sale Price $16.82 USD
Regular Price $18.69 USD
Availability 1 Week

Qty:

Sale Price $16.82 USD
Regular Price $18.69 USD
Availability 1 Week
Quantity

Extech DV30 Adjustable Non-Contact AC Voltage Detector-

Extech DV30 Adjustable Non-Contact AC Voltage Detector
Model: DV30

Sale Price $16.82 USD
Regular Price $18.69 USD
Availability 1 Week

Qty:

Sale Price $16.82 USD
Regular Price $18.69 USD
Availability 1 Week
Quantity

Extech DVA30 Non-Contact AC Voltage and Current Detector-

Extech DVA30 Non-Contact AC Voltage and Current Detector
Model: DVA30

Sale Price $45.53 USD
Regular Price $50.59 USD
Availability 5 Days

Qty:

Sale Price $45.53 USD
Regular Price $50.59 USD
Availability 5 Days
Quantity

Extech ET15 Receptacle Tester-

Extech ET15 Receptacle Tester
Model: ET15

Sale Price $5.39 USD
Regular Price $5.99 USD
Availability 1 to 2 Weeks

Qty:

Sale Price $5.39 USD
Regular Price $5.99 USD
Availability 1 to 2 Weeks
Quantity

Extech PRC10 Current Calibrator, 0 to 24mA-

Extech PRC10 Current Calibrator, 0 to 24mA
Model: PRC10

Sale Price $368.99 USD
Regular Price $409.99 USD
Availability 1 to 2 Weeks

Qty:

Sale Price $368.99 USD
Regular Price $409.99 USD
Availability 1 to 2 Weeks
Quantity

Extech PRC10-NIST Current Calibrator, 0 to 24mA,  -

Extech PRC10-NIST Current Calibrator, 0 to 24mA, includes Traceable Certificate
Model: PRC10-NIST

Sale Price $481.49 USD
Regular Price $534.99 USD
Availability 2 to 3 Weeks

Qty:

Sale Price $481.49 USD
Regular Price $534.99 USD
Availability 2 to 3 Weeks
Quantity

Extech PRC15 Current & Voltage Calibrator, 0 to 24mA-

Extech PRC15 Current & Voltage Calibrator, 0 to 24mA
Model: PRC15

Sale Price $413.09 USD
Regular Price $458.99 USD
Availability 11 to 12 Weeks

Qty:

Sale Price $413.09 USD
Regular Price $458.99 USD
Availability 11 to 12 Weeks
Quantity

Extech PRC15-NIST Current & Voltage Calibrator, 0 to 24mA,  -

Extech PRC15-NIST Current & Voltage Calibrator, 0 to 24mA, includes Traceable Certificate
Model: PRC15-NIST

Sale Price $525.59 USD
Regular Price $668.99 USD
Availability 11 to 12 Weeks

Qty:

Sale Price $525.59 USD
Regular Price $668.99 USD
Availability 11 to 12 Weeks
Quantity

Extech VT30 Multifunction Voltage Tester-

Extech VT30 Multifunction Voltage Tester
Model: VT30

Sale Price $79.19 USD
Regular Price $87.99 USD
Availability 1 Week

Qty:

Sale Price $79.19 USD
Regular Price $87.99 USD
Availability 1 Week
Quantity

Extech SD9003-Channel DC Current Data Logger,-

Extech SD9003-Channel DC Current Data Logger, includes Traceable Certificate
Model: SD900-NIST

This product has been discontinued. Contact us for more information.


Extech SD9103-Channel DC Voltage Data Logger,  -

Extech SD9103-Channel DC Voltage Data Logger, includes Traceable Certificate
Model: SD910-NIST

Sale Price $494.99 USD
Regular Price $554.99 USD
Availability 4 to 5 Weeks

Qty:

Sale Price $494.99 USD
Regular Price $554.99 USD
Availability 4 to 5 Weeks
Quantity

Calibration Lab
We Ship Free on Orders Over $99 within Canada