Gossen MetraWatt INTRO - List of Abbreviations and Their Meanings; Maintenance; Battery and Rechargeable Battery Operation

28 GMC-I Messtechnik GmbH
11 List of Abbreviations and their Meanings
Voltage
U
ISO
Test voltage or nominal voltage
U AC/DC Measured voltage (sinusoidal alternating voltage)
Resistance
LIMIT Limit value for insulation resistance or low-value resis-
tance
Offset Correction value for measurement cable resistance
R
ISO
Insulation resistance
R
LO
Low-value resistance (cable resistance)
Fuse
FUSE “Blown fuse” message
12 Maintenance
12.1 Battery and Rechargeable Battery Operation
When only one filled segment remains in the battery symbol,
install a new set of batteries or charge the rechargeable batteries.
Check to make sure that no leakage has occurred at batteries or
rechargeable batteries at short, regular intervals, or after the
instrument has been in storage for a lengthy period of time.
0
100
200
300
400
500
500
U
N
= 500V
U
x
/V
R
x
/kΩ
0
200
400
600
800
1000
1
U
N
= 1000V
U
x
/V
R
x
/MΩ