Manual Benning Duspol Expert (page 7 of 63) (English, German, Dutch, Danish, French, Italian, Polish, Swedish, Turkish, Spanish, Norwegian, Finnish)

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01/2014

DUSPOL

expert



atelybeforeandafterusingit!

Activation of the self-test:

 • Short-circuittheprobetipsL1/-

and L2/+

 • Pressandholdthepush-button

ofthedisplayhan-

dle L2

for approx. 3 seconds to start the self-test.

 • The buzzersounds, all LEDs(except forthe -12V

LEDor+ 12VLED)

and the measuring point il-

lumination must be functioning.

- Replace the batteries, if the self-test cannot be activated

anymore.

- Test the voltage tester with familiar voltage sources, e.g.

witha230Vsocket.

- Do not use the voltage tester, if the voltage indication, the

phase indication and the vibration motor are not working

properly!

4. Checking the absence of voltage of an installation(g-

ure B/C)

For checking the installation, please test the absence of

voltagebycheckingthevoltageindication,thephaseindication

(the phase indication only works in an earthedAC voltage

mains) and the vibration motor (the vibration motor is activated

byactuatingbothpush-buttons).Theinstallationisonlyfree

of voltage, if all three test circuits (voltage indication, phase

indication and vibration motor) are signaling the absence of

voltage.

- ApplythetwoprobetipsL1/+

and L2/-

tothesystem

parts to be tested.

- Thelevelofvoltageappliedisindicatedbymeansofthe

LEDstepindicator

- AflashingLEDstepindicatesthatthevoltagevalueofthis

LED step hasnot been reached(except forLED 12V/

24V).ALEDstepwillstarttolightfrom75%to85%of

the step value onwards.

- Alternatingvoltages(AC)areindicatedbythe+12VLED

and the -12VLEDlightingupsimultaneously.

- Direct voltages (DC) are indicated by the + 12 V LED

orthe-12VLEDlighting up.Thepolarity indication

shows the polarity (+ or -) applied to the probe tip L2/+

- Todifferentiatebetweenlow-energyandhigh-energyvolt-

ages(e.g.capacitivelyinducedinterferencevoltages),an

internalloadinthevoltagetestercanbeconnectedbyac-

tuating both push-buttons (see section 5).

Overload indication

If the voltage applied to the probe tips L1/-

and L2/+

is higher than the admissible nominal voltage, all LEDs of

the step indicator

areashing.Overloadisindicatedfrom

1,100VAC/DCon.

5. Load connection with vibration motor (gureB/C)

Both handles L1

and L2

are equipped with push-buttons

.Here,voltage is appliedtoavibrationmotor(motor with

unbalancedmass)inthedisplayhandleL2

From approx. 200 V on, this motoris set in rotarymotion.

With the voltage increasing, the motor's speed and vibration

increases as well. The duration of the test with a lower inter-

nal resistance (load test) depends on the level of voltage to

be measured. In order to avoid an inadmissible warming of

the device, it is provided with a thermal protection (controlled

reduction). With this controlled reduction, the speed of the vi-

bration motor is reduced and the internal resistance increases.

The load connection (with both push-buttons being actuated)

can be used ...

- to suppress reactive voltages (inductive and capacitive

voltages),

- to charge capacitors,

- totrip10/30mAFIsafetyswitches.ThetrippingoftheFI

safety switch is done by testing the external conductor

(phaseindication)toPE(earth).(figureD)

6. External conductor test (phase indication)(gureD)

- FullygraspthehandlesL1

and L2

, in order to en-

sure a capacitive coupling to earth.

- ApplytheprobetipL2/+

tothesystemparttobetested.

During the single-pole external conductor test (phase in-

dication),makeabsolutelysurenottotouchtheprobetip

L1/-

and that it remains contactless.

- IftheredLED

lightsuponthedisplay,theexternal

conductor(phase)ofanACvoltageisappliedtothissys-

tem part.

Note:

The single-pole external conductor test (phase indication)

canbecarriedoutinanearthedmainsfrom230V,50/60Hz

(phase to earth) on. Protective clothing and insulating condi-

tions on site might impair the function.

Attention!

Theabsenceofvoltagecanonlybedeterminedbymeansof

a two-pole test.

7. Phase sequence test (gureF/G)

- FullygraspbothhandlesL1

and L2

, in order to en-

sure a capacitive coupling to earth.

- ApplytheprobetipsL1/-

and L2/+

to two external

conductors (phases) and check whether the external con-

ductorvoltageofe.g.400Visapplied.

- A clockwise phase sequence (phase L1 before phase L2)

isgiven,ifthegreenLED►ofthephasesequenceindica-

tion

lights up.

- A counter-clockwise phase sequence (phase L2 before

phaseL1)isgiven,ifthegreenLED◄ofthephasese-

quence indication

lights up.

- Thephasesequencetestalwaysrequiresacountercheck

with the probe tips L1/-

and L2/+

being inverted dur-

ing which the phase sequence must change.

Note:

The phase sequence test can be carried out in an earthed

three-phase mains from 230V - 900 V,50/60 Hz (phase to

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Benning Duspol Expert Manual

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