User Manual
14 GMC-I Messtechnik GmbH
Operating Overview – Connections, Keys, Rotary Switch, Symbols
Symbols Used for Rotary Switch Positions
Switch
FUNC
Main Display Auxiliary Display Measuring Function
V~ 0/4 V~ AC TRMS Hz Alternating voltage, AC TRMS, full bandwidth / voltage frequency
Hz (V) 1 Hz V~ AC Voltage frequency, up to 300 kHz / alternating voltage, AC TRMS
V~ 2 V FILTER ~ AC TRMS Hz Alternating voltage, AC TRMS, with low pass filter (1 kHz) / voltage frequency
dB 3 dB V~ AC TRMS Alternating voltage level measurement
V 0/4 V DC+AC TRMS Hz Pulsating voltage, TRMS ( ) / voltage frequency
V 1 Hz V DC+AC TRMS Voltage frequency / pulsating voltage, TRMS
V 2 V FILTER DC+AC TRMS Hz Pulsating voltage, TRMS with low pass filter (1 kHz) / voltage frequency
dB 3 dB V DC+AC TRMS Alternating voltage level measurement
V 0/2 V DC — Direct voltage
MHz 0/2 MHz
—
(High) frequency at 5 V~ up to 1 MHz
% 1 % Hz Duty cycle / frequency
— —(DC) resistance
0/2 — Continuity test () with acoustic signal
1
V DC — Diode voltage up to max. 4.5 V
Temp. TC 0/2
C, type K C internal temp. at jacks
Temperature, type K thermocouple
Temp. RTD 1°Pt100 Temperature with Pt100 / Pt1000 resistance sensor
— nF — Capacitance
A 0/3 A DC — Direct current value
A 1 A DC+AC TRMS Hz Pulsating current amperage, TRMS AC+DC / current frequency
A 2 Hz A DC +AC TRMS Frequency / pulsating current amperage, TRMS AC DC
A~ 0/2 A~ AC TRMS Hz Alternating current amperage, TRMS AC / current frequency
Hz (A) 1 Hz ~ AC Hz ~ AC Current frequency / alternating current amperage, TRMS AC
0/3 A DC — DC amperage with AC DC Current clamp sensor, 1 V:1/10/100/1000 A
1
A DC+AC TRMS Hz
Pulsating current amperage, TRMS / current frequency with AC DC current clamp sensor, see above
2
Hz A DC+AC TRMS
Current frequency / pulsating current amperage, TRMS, with AC DC current clamp sensor, see above
0/2 A~ AC TRMS Hz Alternating current amperage, TRMS, with Current clamp sensor, see above
Hz ( ) 1 Hz ~ AC ~ AC Current frequency
1kHz
V
AC DC+
V
AC
2
V
DC
2
+=
A
A
A
A
A