testo 750-1 - Voltage Tester

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Your reliable companion when it comes to testing electrical systems and equipment. The all-round LED display and unique fibre-optic technology mean the voltage indication can be seen clearly and distinctly from any position with this voltage tester.


·          Clear, patented all-round LED display 

·         In accordance with DIN EN 61243-3:2011 and CAT III 

·         Fibre-optics for optimum voltage indication

·          Robust housing with ergonomic handle and anti-slip ring


Product Description

In contrast to the standard voltage testers on the market, the testo 750-1 voltage tester has an extremely practical all-round LED display which can easily be seen in every work position and from any location. In addition, large fibre-optic illuminators show the presence of voltage clearly and distinctly. The deep-seated anti-slip ring, the ergonomic shape of the handle and the robust housing provide greater comfort when working. The robust design means the voltage tester is durable and reliable, even when used intensively.

The testo 750-1 voltage tester enables voltage or de-energization on electrical circuits or systems to be determined reliably. The instrument meets the latest EN 61243-3:2010 voltage tester standard and has a safety specification according to CAT III. In addition, it is suitable for continuity testing and rotating magnetic field measurement.



Delivery Scope


testo 750-1 voltage tester, including batteries, measuring tip protector, measuring tip caps, calibration protocol and instruction manual.



General technical data

Operating humidity

0 to 95 %RH                                                                                     

Operating temperature

-10 to +50 °C

Protection class



EN 61243-3; EN 61326-1; EN 61010-1

Battery type

2 AAA micro batteries

Storage temperature

-15 to +60 °C

Overvoltage Category

CAT IV 600V; CAT III 1000V




230 g


270 x 65 x 35 mm                  

DC voltage
Measuring range / Resolution 12 to 690 V
Accuracy according to DIN EN 61243-3:2011                                                                    
AC voltage
Measuring range / Resolution    12 to 690 V

according to DIN EN 61243-3:2011                                                                         



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




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Product Brochures


Data sheet testo 750



Instruction manual testo 750