Benning DUTEST pro Multi-Tester 050156 Fiche De Données

09/ 2014 

® 

pro 

 

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essary, capacitors have to be discharged. 

-  Apply the two test probes 7 and 8 to the system 

parts to be tested.

-  In case of continuity (resistance value R ≤ 100 Ω

to  200  Ω),  an  acoustic  signal  is  emitted  and  the

yellow LEDs 1, 2 and 3 light up. 

-  The resistance value can be roughly estimated by 

means of the LED step indicator 1, 2 and 3. 

Resistance (R)

≤ 100 Ω 

- 

200 Ω

≤ 1 kΩ ≤ 10 kΩ

> 10 kΩ

≤ 100 kΩ

Buzzer

1

 LED 100 Ω

●

1. 

● ↓

2

 LED 1 kΩ

●

●

2. 

● ↓

3

 LED 10 kΩ

●

●

●

3. 

● ↓

-  To determine the conducting direction of a diode, 

apply the black (-) test probe 8 to the cathode 

and the red (+) test probe 7 to the anode of the 

diode. The conducting direction has been deter-

mined as soon as the yellow LEDs 1, 2 and 3 

light up (running light).

-  If a voltage is applied to the test point, the device 

warns the user of an external voltage applied by 

means of the red LEDs 4 and/or 5 lighting up. 

In this case, stop the test immediately and ensure 

the absence of voltage!

The buzzer volume can be set in four steps. Step 1 

(low), step 2 (medium), step 3 (high) and step 4 (very 

high). In step 5, the buzzer is OFF and the LED torch 

is ON.

To set the volume, short-circuit the test probes 7 and 

8

 and press and hold the push-button  until the 

desired volume is set. The buzzer volume set remains 

stored until it is changed the next time.

-  Apply BOTH test probes 7 and 8 to the system 

parts to be tested.

-  The LEDs 4 and 5 for external-voltage indica-

tion detect DC (

) and AC voltages (



) within a 

range from 6 to 400 V.

-   AC voltages (



) are displayed by the (+) LED 4 

and the (-) LED 5 lighting up simultaneously.

-  DC voltages (

) are displayed by the (+) LED 

4

 or the (-) LED 5 lighting up. The (+) LED 4 

lights up, if the positive pole of the voltage source 

is applied to the red (+) test probe 7 and the neg-

ative pole of the voltage source is applied to the 

black (-) test probe 8.

The external-voltage indication does not replace a 

two-pole voltage tester for determining the absence of 

voltage.

If the buzzer is switched on during the continuity test, 

a pulsating acoustic signal warns of an external vol-

tage applied. If the buzzer is switched off during the 

continuity test, the LED torch  will flash as soon as 

an external voltage is applied. The additional indica-

tion (pulsating acoustic signal or flashing LED torch 


) can be deactivated. For this, apply the two test 

probes 7 and 8 to a voltage source (6 V to 400 V) 

and press the push-button  for approx. 1 second. To 

activate the additional indication (pulsating acoustic 

signal or flashing LED torch ), repeat this procedure.

-  Apply the black (-) test probe 8 OR the red (+) 

test probe 7 to the system part to be tested. 

During the single-pole external conductor test 

(phase), make absolutely sure not to touch the 

bare testing electrode 6 of the other test probe 

and make sure that it remains contactless.

-  If the red LED  4 flashes, the external conductor 

(phase) of an AC voltage is applied to this system 

part.

If required, an additional indication (pulsating acoustic 

signal or flashing LED torch ) can be activated for 

the external conductor test. To activate the additional 

indication, connect the black (-) test probe 8 OR the 

red (+) test probe 7 to the external conductor (phase) 

of a socket and press the push-button  for approx. 1 

second. To deactivate the additional indication, press 

the push-button  once again. The additional indica-

tion (pulsating acoustic signal or flashing LED torch 


) depends on the buzzer volume set for the continu-

ity test (see chapter 4).

The single-pole external conductor test (phase) can be 

carried out in an earthed mains from 230 V, 50 Hz / 

60 Hz (phase to earth) on. 

-  The cable break detector  is intended for the 

non-contact localization of cable breaks on 

exposed live lines. 

-  Pass the detector  over a live line (e.g. a cable 

reel or a chain of lights) from the feeding point 

(phase) in direction of  other end of the line.

-  As long as the line is not interrupted, the red LED 



 4 is flashing.

-  The point of the cable break has been localized as 

soon as the red LED  4 goes out.

An additional indication (pulsating acoustic signal or 

flashing LED torch ) activated for the single-pole 

external conductor test (see chapter 6) is also activa-

ted for the cable break detector.

The cable break detector can be used in earthed 

mains from 230 V, 50 Hz/ 60 Hz (phase to earth) on.

-  The device is provided with a high-power LED 

torch  with can be switched on and off by press-

ing the push-button .

-  It is switched off automatically after approx. 2 min-

utes.

The luminosity of the LED torch  can be set in four 

steps.

Step 1 (25 %), step 2 (50 %), step 3 (75 %) and step 

4 (100 %). To set the luminosity, press and hold the 

push-button  until the desired luminosity is set. The 

highest step 4 (100 %) will be confirmed by means of 

an acoustic signal. The luminosity set remains stored 

until it is changed the next time.

-   Do not apply voltage to the device when the bat-

tery compartment is open! 

-  The battery compartment is located on the back of 

the device.

-  Slightly press down the catch  by means of a