Extech CT70
AC Circuit Load Tester

  • AC Load Tester functions:
    • Selectable loads of 12, 15 and 20 Amps
    • Measures loaded and unloaded AC Line Voltage
    • Calculates and displays % Voltage Drop and Line Impedance
    • Displays Peak Line Voltage and Frequency
  • Outlet Tester functions:
    • Neutral to Ground Voltage
    • Hot, Neutral and Ground Impedance
    • GFCI Trip Time and Trip Current
    • Open or Reversed wiring
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Extech CT70 Shown

Product Information
Datasheet 477 KB PDF
Manual 509 KB PDF
Demonstration VIDEO
PDF HelpPDF Help

The Extech CT70 AC Circuit Load Tester quickly checks for AC outlet load handling capabilities plus Outlet Tester functions. It includes a large LCD display with color pass/fail test alerts

Specification CT70
AC Voltage 90.0 to 240.0V
Frequency 45.0 to 65.0Hz
Peak Line Voltage 350.0V
% Voltage Drop 0.1 to 99.9%
Dimensions 8 x2.8 x 2" (203.2 x 71.1 x 50.8mm)
Weight 11.2oz (317.5g)
Ordering Information
Model Description Buy Online Price
CT70 Extech CT70 AC Circuit Load Tester Buy Now Sale $161.99
(Reg. $199.99)
Included Accessories
  • 1 AC Power/Tester Cord
  • 1 Manual
Optional Accessories
CT70-AC Extech CT70 AC Circuit Load Tester Buy Now Sale $9.45
(Reg. $10.99)

*NOTE: Items ordered with optional NIST calibration will require
approximately 10 days to complete the certification.