Testboy Profi III LCD Voltage Tester

The Testboy Profi III LCD is the new top model of our proven Profi series. The innovative two-pole voltage tester convinces with a wide performance range and practical one-hand operation. It enables tests without finger contact and, due to the highest safety level, CAT IV 1000 V, is also immediately suitable for measurements on hybrid and electric vehicles, as well as photovoltaic installations.

  • Highest safety level CAT IV 1000 V
  • Large, illuminated LCD
  • Voltage indication up to 1000 V AC and 1400 V DC
  • Resistance measurement up to 199,9 kΩ
  • Frequency indication up to 500 Hz

$175.00 inc. GST

UPC 4028532200299
SKU Profi III LCD+ Category
Sparky Tools


Display: Optical, LCD
Ranging: Automatic
Overload Category: CAT IV 1000 V
Voltage Test: 3–1000 V AC (TRMS/RMS)
4–1400 V DC
Continuity Test: 0 – 10 kΩ with acoustic signal
Phase Indication: > 100V AC
Polarity: Yes (- in the LCD)
PELV indication: Optical and vibrating
Protection: IP 65
Standard: EN 61243-3:2014
Resistance testing: 10,0-199,9 kΩ
Frequency testing: 0, 16.66-500 Hz
Data hold: Voltage and resistance
Auto power-off function: Yes
FI/RCD check test: 30 mA at 230 V AC using two buttons
Power Supply: 2 × 1.5 V AAA
Single-pole phase testing: Yes
Two-pole phase sequence testing: Yes
Measurement position lighting: white LED
4-mm test tip adapter: Removable
Dimension: 300 x 75 x 20 mm
Weight: 270 g
Colour: Red / black
Scope of delivery: Incl. batteries
Supplies, Optional: Carrying case



Due to the most modern manufacturing technologies, Testboy GmbH has developed into one of the leading manufacturers for robust and professional measurement and testing devices. Our TÜV-/GS tested, user-friendly and long service life products are internationally known under the brand names “Testboy”, “Testavit” and “Schuki”. In order to always continuously satisfy the requirements of our customers, we permanently continue to develop our range of products taking into consideration the applicable standards and laws. Thereby, we place particular value on the clever combination of as many functions as possible in one device.

Additional information

Weight .4 kg
Dimensions 30 × 20 × 10 mm
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