Benning DUSPOL analog Operating Manual page 2

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BENNING Elektrotechnik & Elektronik GmbH & Co.KG
Münsterstraße 135 - 137 • D - 46397 Bocholt
Telefon ++49 (0) 2871 - 93 - 0 • Fax ++49 (0) 2871 - 93 - 429
www.benning.de • E-Mail: duspol@benning.de

Operating manual
DUSPOL analog
®
Before using the voltage tester DUSPOL ® analog:
Please read the operating manual carefully and
always observe the safety instructions!
List of contents:
1. Safety instructions
2. Functional description of the voltage tester
3. Functional test of the voltage tester
4. How to test AC voltages
4.1 How to test the phase at AC voltage
5. How to test DC voltages
5.1 How to test the polarity at DC voltage
6. How to test the phase sequence of a three-
phase mains
7. General maintenance
8. Technical data
1. Safety instructions:
- Hold the voltage tester only by the insulated
handles and and do not touch the contact
electrodes (probe tips) !

- Immediately before use: Check the voltage tester
for correct operation! (see chapter 3). The voltage
tester must not be used if one or several display
functions fail or if the voltage tester is not ready to
operate (IEC 61243-3)!
- The voltage tester (voltage class A) must be used
only within the nominal voltage range of 12 V up
to 500 V AC/ DC!
- The voltage tester complies with protection class
IP 64 and therefore can also be used under wet

conditions (designed for outdoor use).
- For testing, firmly grasp the voltage tester by the
handles and .
- Never connect the voltage tester to voltages

longer than 30 seconds (maximum permissible
operating time = 30 s!

- The voltage tester only operates correctly

within the temperature range of -10 °C up to
+55 °C at relative air humidity of 20 % up to 96 %.
 - Do not dismantle the voltage tester!
- Please protect the housing of the voltage tester

against contamination and damages!
- Please store the voltage tester under dry
conditions.
- To prevent injuries and discharge of the battery,
provide the contact electrodes (probe tips) with
the enclosed cover after using the voltage tester!
Attention:

After maximum load (i.e. after a measurement of 30
seconds at 500 V), the voltage tester must not be used
for a duration of 240 seconds!
The voltage tester is marked with international
electric symbols and symbols for indication
and operation with the following meaning:
symbol meaning
Device or equipment for working under
voltage
Push button
Alternating current, alternating voltage
, AC
Direct current, direct voltage
, DC
Direct and alternating current (DC
and AC)
Push button (manually actuated);
indicates that respective indications
only occur when both push buttons
are actuated
Phase-sequence clockwise
Phase-sequence indication; the phase
sequence can only be indicated at 50
or 60 Hz and in a earthed mains

Symbol for phase and phase-sequence
indication (phase-sequence clockwise)
2. Functional description
The DUSPOL ® analog is a two-pole voltage tester
according to IEC 61243-3 with visual display  and
without an own power supply The voltage tester is
designed for DC and AC voltage tests within the
voltage range of 12 V up to 500 V AC/ DC. It can be
used to perform polarity tests in DC and phase tests in
AC. The voltage tester indicates the phase-sequence
5. How to test DC voltages
provided that the neutral is earthed.
The voltage tester consists of the test probes L1 - The voltage tester must be used only within the
and L2 and a connecting cable . The test probe nominal voltage range of 12 V up to DC 500 V!
L1 is equipped with a display . Both test probes - Never connect the voltage tester to voltages for
are provided with push buttons . Without pressing longer than 30 seconds (maximum permissible
both push buttons, the following voltage steps (AC or operating time = 30 s)!
DC) can be indicated: 24 V+; 24 V-; 50 V; 120 V. By - Firmly grasp the insulated handles
pressing both push buttons, the voltage tester switches the test probes L1 and L2.
to a lower internal resistance (suppression of inductive - Place the contact electrodes  of the test probes
and capacitive voltages). Thus, also the indication of L1
12 V+ and 12 V– is activated. Furthermore, applied unit under test.
voltages within the range of 230 V up to 500 V AC/ - For AC voltages from 24 V onwards and when
DC are indicated by means of a plunger system . pressing both push buttons (load test) from 12 V
The duration of the test with a lower internal resistance onwards, the LEDs "plus" and "minus"  and 
of the device (load test) depends on the value of the light up. Furthermore, voltages between 230 V
voltage to be measured. and AC 500 V are indicated continuously by
The display field means of the plunger measuring system  if both
The display system consists of high-contrast light- push buttons are actuated.
emitting diodes (LED)  indicating DC and AC Please make sure that you touch the voltage tester at
voltages in steps of 12 V; 24 V; 50 V and 120 V the insulated handles of test probes L1
(permanent indicating system). A plunger indication only! Do not cover the display and do not touch the
 indicates the voltage values between 230 V and contact electrodes!
500 V AC/ DC according to the scales for direct and
5.1 How to test the polarity at DC voltage
alternating voltage (DC and AC). The AC scale is at
the left of the level indicator, the DC scale is at the - The voltage tester must be used only within the
right of the level indicator. The indicated voltages are nominal voltage range of 12 V up to DC 500 V!
nominal voltages. With DC voltage, the LEDs also - Never connect the voltage tester to voltages for
indicate the polarity for 12 V and 24 V (see chapter 5). longer than 30 seconds (maximum permissible
The 12 V LED and the plunger indication can only be operating time = 30 s)!
activated by pressing both push buttons. - Firmly grasp the insulated handles
LC display the test probes L1 and L2.
The LC display  serves for the phase test with - Place the contact electrodes  of the test probes
alternating current (AC) and indicates the phase- L1
sequence of a three-phase mains. unit under test.
- If LED  lights up, the "positive pole" of the unit
3. Functional check under test is at test probe
- The voltage tester must be used only within the - If LED  lights up, the "negative pole" of the unit
nominal voltage range of 12 V up to 500 V AC/ under test is at test probe
DC! Please make sure that you touch the voltage tester at
- Never connect the voltage tester to voltages for the insulated handles of test probes L1
longer than 30 seconds (maximum permissible only! Do not cover the display and do not touch the
operating time = 30 s)! contact electrodes!
- Check the voltage tester for correct function
immediately before use! 6. How to test the phase sequence of a three-
- Test all functions by means of known voltage phase mains
sources. - The voltage tester must be used only within the
• For DC voltage tests use e.g. a car battery. nominal voltage range of 12 V up to AC 500 V!
• For AC voltage tests use e.g. a 230 V socket. - The phase-sequence test is possible from 230 V
Do not use the voltage tester unless all functions are AC voltage (phase against phase) onwards in a
operating correctly! earthed three-phase mains.
Check the function of the LC display  by single-pole - Firmly grasp the insulated handles
connection of the contact electrode of the test probe the test probes L1 and L2.
L1 to an external conductor (phase). - Place the contact electrodes  of the test probes
L1
4. How to test AC voltages unit under test.
- The voltage tester must be used only within the - The LEDs or the plunger measuring system have
nominal voltage range of 12 V up to AC 500 V! to indicate phase voltage.
- Never connect the voltage tester to voltages of up - Never connect the voltage tester to voltages of up
to 500 V for longer than 30 seconds (maximum to 500 V for longer than 30 seconds (maximum
permissible operating time = 30 s)! permissible operating time = 30 s)!
- Firmly grasp the insulated handles and of When contacting the two contact electrodes  with
the test probes L1 and L2 . two phases of a three-phase mains connected in
- Place the contact electrodes  of the test probes clockwise rotation, the LC display  indicates the "R"
L1 and L2 against the relevant points of the symbol. If for two phases the rotation is anti-clockwise,
unit under test. no symbol appears on the LC display .
- For AC voltages from 24 V onwards and when The phase-sequence test always requires a counter-
pressing both push buttons (load test) from 12 V test! If the LC display  indicates clockwise rotation
onwards, the LEDs "plus" and "minus"  and  for two phases of a three-phase mains, those two
light up. Furthermore, voltages between 230 V phases must be contacted again with reversed contact
and AC 500 V are indicated continuously by electrodes  during the counter-test. There must
means of the plunger measuring system  if both be no symbol indicated on the LC display  during
push buttons  are actuated. the counter-test. If in both cases the LC display 
Please make sure that you touch the voltage tester at indicates the "R" symbol, the earthing is too weak!
the insulated handles of test probes L1 and L2 Note:
only! Do not cover the display and do not touch the The reading of the LC display  might be impaired
contact electrodes! due to unfavorable light conditions, protective clothing
or in insulated locations.
4.1 How to test the phase at AC voltage
- The voltage tester must be used only within the 7. General maintenance
nominal voltage range of 12 V up to AC 500 V! Clean the exterior of the housing with a clean dry
- The phase test is possible in the earthed mains cloth (exception: special cleansing cloths). Do not use
from 230 V onwards! solvents and/ or abrasives to clean the voltage tester.
- Firmly grasp the handle of test probe L1 .
- Place the contact electrode  of test probe L1 8. Technical data:
against the relevant point of the unit under test. - Guideline for two-pole voltage testers: IEC 61243-3
- Never connect the voltage tester to voltages of up - Protection class: IP 64, IEC 60529 (DIN 40050),
to 500 V for longer than 30 seconds (maximum also for outdoor use!
permissible operating time = 30 s)! - Nominal voltage range (voltage class A): 12 V to
- If the "R" symbol appears on the LC display , 500 V AC/ DC
the tester is in contact with the live phase of an - Internal resistance, measuring circuit: 180 kΩ
AC voltage on this point of the unit under test. - Internal resistance, load circuit – both push
Never touch the contact electrode of test probe L2 buttons actuated!: approx. 24 kΩ
during the single-pole test (phase test)! - Current
Note:
max. I
The reading of the LC display  might be impaired - Current consumption, load circuit – both push
due to unfavorable light conditions, protective clothing buttons actuated!: I
or in insulated locations. - Polarity indication: LED +; LED -
(indicating handle = positive polarity)
- Indicating steps LED: 12 V+*, 12 V-*, 24 V+,
24 V-, 50 V, 120 V (*: only with both push buttons
actuated)
- continuous indication by means of level indicator:
230 V – 500 V AC/ DC
and of - max. indicating errors:
U ± 15 %, ELV U
n
- Nominal frequency range f: 0 up to 60 Hz,
and L2 against the relevant points of the Phase and phase sequence indication 50/60 Hz
- Phase and phase-sequence indication: ≥ U
- max. Permissible operating time: ED = 30 s, 240 s
pause
- Weight: approx. 180 g
- Connecting cable length: approx. 900 mm
- Operating and storing temperature range: -10 °C
up to +55 °C (climate category N)
- Relative air humidity: 20 % up to 96 % (climate
category N)
and L2
When voltage from 500 V up to maximum 750 V
maximum operating time = 10 s.
and of
and L2 against the relevant points of the
.
.
and L2
and of
and L2 against the relevant points of the
consumption, measuring circuit:
3.2 mA (500 V)
n
0.032 A (500 V)
s
– 15%
n
230 V
n