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Operating instructions
Two-Pole Voltage Tester VC-55 LCD
Item no. 1188073
Intended use
The two-pole voltage tester is a portable test device that detects and indicates the voltage
levels of low voltage circuits. It is intended to indicate DC and AC voltages in the range of 12 to
690 V, and polarity by applying bipolar. The voltage ranges are represented in 7 levels.
Starting at a nominal voltage of 50 V/AC or 120 V/DC, a warning indicator for the voltage
ranges will flash signalizing the warning of dangerous voltage. This warning indication is also
displayed when the batteries are empty.
The voltage tester complies with the standard for two-pole voltage testers (EN 61243-3/DIN
VDE 0682-401) and protection type IP64 (dust and splash proof), and is intended for dry or
damp indoor and outdoor locations. Operating the device during rainfall or precipitation is not
permitted. The voltage tester is designed for use by qualified electricians in conjunction with
personal protective equipment.
The device features an LCD display with an indicator of the test voltage real value, an audio-
visual continuity tester, built-in measurement point light and the function "single pole" phase
tester. For the tester to function two micro batteries (type AAA/LR03) are required. Operation
with rechargeable batteries is not permitted.
A phase sequence indicator for grounded three-phase current is available.
The voltage tester shall only be utilized in systems of the electrical measurement category
CAT III (domestic installations / sub-distributions) up to 1000 V or in CAT IV (at the origin of the
low-voltage installations) up to 600 V to ground potential.
These measurement categories also comprise all of the smaller measurement categories (e.g.
CAT II and CAT I).
The voltage tester must be clasped by the two handles (1 and 16) while taking measurements.
Do not touch beyond the tactile barriers of the gripping area (5 and 13). Do not cover the indica-
tor panel and do not touch metal contacts and measurement points.
Follow also any additional safety instructions contained in this manual.
Do not use under adverse ambient conditions. Unfavourable ambient conditions are:
- Excessive humidity or dampness
- Dust and flammable gases, vapours or solvents
- Potentially explosive atmosphere (Ex)
- Thunderstorms or similar weather conditions such as strong electrostatic fields, etc.
Use other than that described above can lead to damage to the product and may involve
additional risks such as, for example, short circuits, fire, electrical shocks etc. No part of the
product may be modified or converted! The safety instructions are to be observed without fail!
Package Contents
• VC-55 with captive probe tip protection
• 2 terminal screws (Ø 4 mm, applicable for CAT II)
• 2 plastic protective sheaths, applicable for CAT III/CAT IV
• 2 micro batteries (AAA/LR03)
• Operating instructions
Up-to-date Operating Instructions
Download the latest operating instructions via the link www.conrad.com/downloads or scan the
QR code. Follow the instructions on the websit
Symbol Explanation
An exclamation mark in a triangle indicates important information contained in
these operating instructions that must be observed by all means.
The lightning symbol in a triangle warns of electric shock danger or the impairment
of the electrical safety of the appliance.
This device is CE compliant and therefore meets the necessary national and Euro-
pean guidelines.
The arrow symbol is used where special tips and notes on operation are provided.
Safety Instructions and Hazard Warnings
This device has left our factory premises in a safe and perfect condition.
We kindly request the user to observe the safety instructions and warnings
contained in the enclosed operating instructions so this condition is main-
tained and to ensure safe operation.
• Damages due to failure following these operating instructions will void the war-
ranty! We do not assume any liability for any resulting damage!
• We do not assume any liability for personal injuries and material damages caused
by the improper use or non-compliance with the safety instructions! Any warranty
will be void in such cases.
• The unauthorised conversion and/or modification of the unit is not permitted for
safety and approval reasons.
• For any work carried out, the accident prevention regulations of the Employer's Li-
ability Insurance Association for Electrical Systems and Operating Facilities must
be observed
• In schools, training facilities, hobby and self-help workshops the use of gauges
and testers should be supervised in a responsible manner by qualified trained
staff.
• Extra care should be taken when using the device for the first time. Therefore,
please follow the operating instructions carefully.
• The voltage values specified on the voltage tester are nominal voltages.
• The device may not be exposed to extreme temperatures, strong vibrations or
high humidity. The readout is only ensured within a temperature range of -15 to
+55°C and a relative air humidity of max. 85% (non-condensing).
• Hold the voltage tester only by the designated gripping areas (1 and 16). Never
reach beyond the tactile barrier of the gripping areas (5 and 13).
• Always check that the voltage tester is working properly prior and after employ-
ment. Measure a known voltage source (e.g. mains voltage 230 V/AC) first, and
check the accuracy of the readout. Don't use the voltage tester any longer, in case
one or more indication ranges fail to function.
• The housing of the voltage tester may not be dissembled except for opening the
battery compartment cover.
• The voltage tester may only be used on systems within the voltage ranges given.
• The next higher voltage range on the level indicator starts at 0.85 times the nomi-
nal value already.
• The applicable DC voltage limit value for hazardous contact voltage (in accord-
ance with DIN VDE 0100, part 410) is indicated by the light indicator at 120 V.
• The applicable DC voltage limit value for hazardous contact voltage (in accord-
ance with DIN VDE 0100, part 410) is indicated by the light indicator at 50 V.
• The voltage tester only works correctly on grounded low voltage systems. Im-
proper grounded equipment or insulated body protectors can have an adverse
effect on the readout.
• If the neutral wire (N) or the earth wire (PE) is interrupted, no readout will be
displayed!
• Keep the voltage tester in a clean condition, and store it properly in a dry place.
• This device is not a toy and should be kept out of the reach of children.
• To prevent injuries place the probe tip protection back on the test probes, if the
tester is not used.
• When using the voltage tester in the range of the measurement categories CAT III
and CAT IV, it is recommended to push the included plastic protective sheath (2)
over the test probes in order to reduce the exposed length of contact tips. This will
reduce the risk of a possible short circuit during metering.
CAT I
Measurement Category I is applicable to measuring circuits of electrical and elec-
tronic equipment that is not directly supplied with mains voltage (battery-operated
devices, etc.)
CAT II
Measurement Category II is applicable to measuring circuits of electrical and elec-
tronic equipment that is directly supplied with the mains voltage via a power plug.
This category also covers all smaller categories (e.g. CAT I for measuring signal
and control voltages).
CAT III
Measurement Category III is applicable to measuring circuits of installations in
buildings (e.g. electric sockets or sub-distributions). This category also covers all
smaller categories (e.g. CAT II for measuring electronic devices).
Measurement Category IV is applicable to measuring at the origin of the low-
voltage installation (e.g. main distribution, electricity provider's transfer points to
homes, etc.) and outdoors. This category also contains all lower categories.
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