User Manual

GMC-I Gossen-Metrawatt GmbH 13
Operating Overview – Connections, Keys, Rotary Switch, Symbols
Symbols Used in the Digital Display
1 Battery level indicator
2 ON: continuous operation (automatic shutdown deactivated)
3 MAN: manual measuring range selection is active
4 Digital display with decimal point and polarity display
5 max/min: Min/Max value storage
6 DATA: display memory, “freeze” measured value
7 STORE: memory mode active, with METRAHIT E
XTRA only
8 ISO: no function here
9 Upm: no function here
10 Transformation factor (current clamp factor)
11 IR: infrared interface display
12 Scale for analog display
13 Pointer for analog display (bar graph – pointer)
depending upon setting in SET menu for the A.diSP parameter
Triangle appears: indicates overranging
14 dB: Alternating voltage level measurement
15 Selected type of current
16 TRMS measurement
17 Pt100/Pt1000: selected platinum resistance sensor with
automatic recognition of Pt100/Pt1000, with METRAHIT E
XTRA and
METRAHIT E
TECH only
18 Type K: temperature measurement with type K (NiCr-Ni) thermocouple
19 sec (seconds): unit of time
20 ΔREL: relative measurement with reference to offset
21 Unit of measure
22 ZERO: zero balancing active
23 Warning regarding dangerous voltage: U > 55 V AC or U > 70 V DC
24 Continuity test with acoustic signal is active
25 Diode measurement selected
26 h (hours): unit of time
Battery full
Battery OK
Battery weak
Battery (almost) dead, U < 1.8 V
Active data transmission ↓ to / ↑ from multimeter
IR interface in stand-by mode
(ready to receive starting commands)
Battery level indicator
Interface indicator
1 21011
13
14
15
16
17
21
18
23
24
765
2022
8
3
12
19
26
4
25
9