User manual

14 GMC-I Gossen-Metrawatt GmbH
Operating Overview – Connections, Keys, Rotary Switch, Symbols
Symbols used for Rotary Switch positions
Switch FUNC Display Measuring Function Additional Function clip-on (by menu SET  CLIP 1:1/10/100/1000)
V
1MΩ
0/2 V DC AC TRMS Pulsating voltage, TRMS DC + AC, full bandwidth
M Ω
ISO
@UISO 1UISO / kΩ / MΩ Insulation resistance measurement
V~ 0/5 V~ AC TRMS Alternating voltage, AC TRMS, full bandwidth
Clip-on AC (V): clip-on current sensor
Hz (V) 1 Hz ~ AC Voltage frequency, full bandwidth
Clip-on Hz (V): clip-on current sensor
% 2 % Keying Ratio Measurement (customer-specific variant)
V~ 3 V Fil ~ AC TRMS Voltage frequency, with low pass filter (1 kHz)
Hz (V) 4 Hz Fil ~ AC Voltage frequency, with low pass filter (1 kHz)
V 0/2 V DC Direct voltage
Clip-on DC (V): clip-on current sensor
V 1 V DC AC TRMS Pulsating voltage, TRMS ( )
Clip-on DC + AC (V): clip-on current sensor
Ω 0 Ω (DC) resistance
0/2 Ω Continuity test with acoustic signal
1
V DC Diode voltage where I is constant
Temp RTD 0 °C Pt 100/1000 Temperature with Pt 100 / Pt 1000 resistance thermometer
Temp TC 1
°C Typ-K
Temperature with thermoelement type K
0nF, μF Capacitance
A 0/2 A DC Direct current value
A 1 A DC AC TRMS Pulsating current amperage, AC DC TRMS
A~ 0/2 A~ AC TRMS Alternating current amperage, AC TRMS
Clip-on AC (A): clip-on current transformer
Hz (A) 1 Hz ~ AC Current frequency
Clip-on Hz (A): clip-on current transformer
1kHz
1kHz
V
ACDC
V
AC
2
V
DC
2
+=