
GMC-I Messtechnik GmbH
3
3
Introduction
These operating instructions contain information and directions
which are necessary for safe operation and use of the instrument.
Before using the instrument, the operating instructions must be
carefully read and all points contained therein must be followed
correctly. Non-observance of the operating instructions, as well
as warnings and directions included therein, may result in severe
injury to the user or damage to the instrument.
The
PROFITEST PV
SUN
is used for simple testing of solar cells and
modules. The terms used in these operating instructions to desig-
nate systems for generating electrical power from sunlight include:
solar system, photovoltaic system, PV system and the like.
Scope of Functions
•
Voltage measurement to 1000 V DC
•
Short circuit current measurement to 20 A DC
•
Selection of insulation test voltage: 250, 500 or 1000 V DC
•
Insulation measurement to 20 M
with display of limit value
•
Testing of protective conductor continuity
•
Earth fault measurement
•
Polarity check
•
Backlit LCD panel
•
Optional temperature measurement
4
Transport and Storage
Please retain the original packaging for subsequent shipment of
the instrument. Transport damages due to inadequate packaging
are excluded from the guarantee.
The instrument may only be stored in dry, closed rooms.
If the instrument is subjected to extreme temperature during
transport, it requires at least 2 hours for acclimatization before it is
switched on.
5
Safety Precautions
The instrument has been manufactured and tested in accordance
with IEC/EN 61010-1, “Safety requirements for electrical equip-
ment for measurement, control and laboratory use”, and has been
shipped from the factory in flawless technical safety condition. In
order to assure that this condition is retained, the user must
observe the safety precautions included in these operating
instructions.
Caution! Dangerous Voltage
In order to prevent electrical shock, corresponding safety
precautions must be implemented when working with
voltages of greater than 120 V (60 V) DC or 50 V (25 V)
AC TRMS. In accordance with DIN VDE, these values
specify the limit for exposed (touchable) voltages (the val-
ues in parentheses apply to, for example, the fields of
medicine and agriculture).
Before each measurement, make sure that the measurement
cables and the measuring instrument are in flawless condition.
The measuring instrument may only be used within the specified
measuring ranges.
If the safety of the user is no longer assured, the instrument must
be removed from service and secured against unintentional use.
Safety of the user is no longer assured if the instrument:
•
Demonstrates apparent damage
•
No longer performs the desired measurements
•
Has been stored for too long under unfavorable conditions
•
Has been subjected to mechanical stressing during transport
The instrument may not be opened, dismantled or modified in any
way. The instrument may only be used with recommended
accessories. The use of unsuitable accessories is impermissible.
Trade association accident prevention regulations for electrical
systems and operating equipment must be adhered to during all
work with the instrument.
Do not allow the
instrument to warm up
due to exposure to direct
sunlight. Flawless functioning and a long service life cannot other-
wise be assured.
Attention!
!
The
internal warming of the test instrument
is measured
electronically. An inpermissible overheating is signalled
by I
SC
and
°C
in the display while further measurements
are being disabled. Allow the test instrument to cool
down before continuing measurements.
6
Use for Intended Purpose
The instrument may only be used under the conditions and for the
purposes for which it has been designed. In this respect, special
attention must be given to safety precautions, technical data
regarding ambient conditions and use in a dry environment.
Warning!
The instrument may not be operated at measuring cate-
gory II, III and IV mains power circuits.
In accordance with EN 61010-1:2010, the instrument
has been designed without a rated measuring category,
and may only be used at direct voltage circuits with up to
1000 V without transient overvoltages.
Operating safety is no longer assured in the event of modification
or alteration. The instrument may only be opened by authorized
service technicians.
Never operate the instrument at a higher voltage than specified in
the technical data! The instrument may otherwise be destroyed or
permanently damaged.
7
Operating and Display Elements
1
LCD panel with background illumination
2
Sensor socket for temperature measurement (optional)
3
On/Off switch / background illumination
4
Low-resistance measurement
R
LOW
/
measurement cable compensation
COMP
5
Short-circuit measurement
I
SC
/
insulation resistance measurement
R
ISO
per EN 62446
6
General insulation resistance measurement RISO /
selection of insulation test voltage
7
Measurement input
+
8
Measurement input – / insulation measurement / continuity test
9
Measurement input ground terminal / insulation measurement /
continuity test
10 Back: battery compartment
11 Battery level indicator
2
1
7
8
9
3 4
5 6
10
11
Battery full
Battery weak
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.com
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