16 Gossen Metrawatt GmbH
6 Operating and Display Elements
6.1 Control Panel
The display and control panel can be swiveled forward or backward with the detented swivel hinge. The instrument can thus be set to
the optimum reading angle.
6.2 Display
The following appear at the display:
• One or two measurement values as three place numeric dis-
play with unit of measure and abbreviated measured quantity
• Nominal values for voltage and frequency
• Circuit diagrams
• On-line help
• Messages and instructions
6.3 LEDs
MAINS/NETZ LED
This LED is only functional when the instrument is switched on. It
has no function in the voltage ranges U
L-N
and U
L-PE
.
It lights up green, red or orange, or blinks green or red depending
upon how the instrument has been connected and the selected
function (see also section 6.4, “LED Indications, Mains Connec-
tions and Potential Differences”, beginning on page 17).
This LED also lights up if line voltage is present when measuring
R
ISO
and R
LO
.
U
L
/R
L
LED
This LED lights up red if touch voltage is greater than 25 V or 50 V
during RCD testing, as well as after safety shutdown occurs. It
also lights up if R
ISO
or R
LO
limit values have been exceeded or
fallen short of.
RCD • FI LED
This LED lights up red if the RCCB is not tripped within 400 ms
(1000 ms for selective RCDs – type RCD S) during the tripping
test with nominal residual current. It also lights up if the RCCB is
not tripped before nominal residual current has been reached
during measurement with rising residual current.
The mains connection test may not be used to test sys-
tems or system components for the absence of voltage!
MEM: Key for memory functions
HELP:
Access context sensitive help
I
N
: Tripping test
Next step
(semiautomatic measurement)
Start offset measurement
ON/START ▼:
Switch on
Start/stop measurement
ESC
: Return from submenu
SoftkeysFixed Function Keys
• Parameter selection
• Limit value
specification
• Entry functions
LEDs and Connection Symbols
section 6.3
9
10
Battery Display
Measuring Function
Measurement in progress/
Memory Occupancy
Measured
Parameters
PE
Save Value
Battery full
Battery OK
Battery weak
Battery (almost) dead
Battery Display ( section 7.1)
BAT
BAT
BAT
BAT
Memory Occupancy Display
MEM
Memory half full
MEM
Memory full > transfer data to PC
Connection Test – Mains Connection Test ( section 6.4)
N
PE
L
N
PE
L
)(
Connection OK L and N reversed
N
PE
L N
PE
L
x
N
PE
L N
PE
L
x
x
RUN READY
Connection Test section 6.4
U < 8 V
L
PE
N
x
L
PE
N
Bluetooth® Active Display:
Quantities
stopped
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