GMC-I Messtechnik GmbH 25
Reference Conditions
Reference temperature+ 23 C 3 K
Relative humidity 40 ... 75%
Measured quantity
frequency 45 Hz ... 65 Hz
Measured quantity
waveform Sine, deviation between TRMS and
rectified value < 1%
Battery voltage 9.5 V 0.1 V
Test resistance 10 M1%
Electrical Safety
Standard
VDE regulation VDE 0411, part 1, 1994-03
Protection class II
Pollution degree 2
Measuring category G1000: CAT II 1000 V / CAT III 600 V
G500/G500MM: CAT III 600 V
Fuses
Fuse link FF315mA/1000V, effective in all resis-
tance measuring ranges, 1 additional
replacement fuse in the battery compart-
ment
Power Supply
Batteries 8 ea. 1.5 V mignon cells (8 ea. size AA)
(alkaline manganese per IEC LR14)
or 8 rechargeable NiMH batteries (must be
recharged externally)
Nominal range of use 8.5 ... 12 V
Battery test Battery capacity display with battery sym-
bol in 4 segments: .
Querying of momentary battery voltage via
menu function.
Battery saver circuit Automatic shutdown of display illumination
after 15 second s (after the last time the
rotary switch is actuated) can be set via
the blight parameter.
The test instrument is automatically
switched to the standby mode* when the
measured value remains unchanged and
none of the controls are activated during
this time.
* Specified time “APoFF” (entered in minutes)
adjustable via SETUP menu (default setting
approx. 10 min).
Service life For R
ISO
(1000 V / 1 M) and R
LO
with 20
second on-time and 1 measurement each
for a duration of 5 seconds
– With batteries (alkaline manganese):
900 measurements
– With rechargeable batteries (2000 mAh):
850 measurements
Safety shutdown If supply voltage is too low, the instrument
is switched off, or cannot be switched on.
When the rotary switch is set to the OFF
position, the instrument is completely dis-
connected from the batteries (after
approximately 10 seconds).
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