Testo 750-2 - Digital Voltage Tester with GFCI Test

Part Number: 0590 7502 Brand: Testo

Testo 750-2 - Digital Voltage Tester with GFCI Test

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The Testo 750-2 includes a single probe voltage tester, built-in flashlight, and GFCI test function.

The 750-2/-3 can perform GFCI Circuit tests on AC outlets. When performing a GFCI circuit test, a 35 mA load is applied to the circuit.

The Testo 750 vibrates ensuring that the GFCI circuit test is active.

The Testo 750 voltage testers are the first instruments to include an all-around viewable LED voltage indication.

All three models include low input impedance, phase sequence, continuity test, and meet CAT III 1000 V CAT IV 600 V safety standards.

Testo’s history of efficiency, innovation, and quality now extends into the entire electrical lineup.

Once again, Testo brings high value, feature-packed products to the HVAC contractor market.
  • GFCI Test Function
  • Single probe voltage testing
  • Patented all-around viewable LED voltage bar indication
  • Phase sequence test for determining motor rotation and polarity detection for VDC measurements



Delivery Scope

  • Testo 750-2 Digital Voltage Tester with Low Impedance, Continuity, and Phase Sequence with GFCI Test, and Flashlight includes Batteries, Measuring Tip Protector, and Measuring Tip Caps

DC Voltage

  • Measuring Range: 12 to 690 V
  • Accuracy: According to DIN EN 61243-3:2011

AC Voltage

  • Measuring Range: 12 to 690 V
  • Accuracy: According to DIN EN 61243-3:2011

Operating Humidity

  • 0 to 95 %RH


  • 10.41 oz. / 295 g


  • 10.6 x 2.8 x 1.4 in. / 270 x 70 x 35 mm

Operating Temperature

  • 14.0° F to 122.0° F / -10° C to +50° C

Product Colour

  • Black

Protection Class

  • IP64


  • EN 61243-3, EN 61326-1, EN 61010-1

Battery Type

  • 2 AAA Batteries

Storage Temperature

  • 5.0° F to 140.0° F / -15° C to +60° C

Overvoltage Category

  • CAT IV 600 V, CAT III 1000 V


  • CSA, CE

Instrument Measurement Functions

  • Continuity Testing: Yes
  • RDC/RC Trigger Function: Yes
  • Rotating Magnetic Field Testing: Yes
  • Single Pole Phase Testing: Yes
  • Measuring Point Illumination: Yes

  • Ideal for Voltage Testing
    • Clear, All-round LED Display, Large Fibre Optic, Torch for Measuring Point Illumination, Anti-Slip Ring and Ergonomic Handle, RCD Trigger Function, Vibrating Load Buttons
  • Overview of Applications
    • Test Electrical Circuits or Systems for Voltage or De-energization (According to DIN EN 61243-3:2010)
    • Single Pole Voltage Testing to Determine Whether Conductors are Live
    • Checking the Rotating Magnetic Field
    • Checking RCD Circuit Breakers

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