Operation Manual

14 GMC-I Messtechnik GmbH

Operating Overview – Connections, Keys, Rotary Switch, Symbols

Symbols used for Rotary Switch positions

* POL / UISO CAP:1

Switch

FUNC

Display Measuring Function

V~ 0/4 V~ AC TRMS Alternating voltage, AC TRMS, full bandwidth

Hz (V) 1 Hz ~ AC Voltage frequency, full bandwidth

V~ 2 V Fil ~ AC TRMS Alternating voltage, AC TRMS, with low pass filter (200 Hz)

Hz (V)

3 Hz Fil ~ AC Voltage frequency, with low pass filter (200 Hz)

V 0/2 V DC Direct voltage

V 1 V DC AC TRMS Pulsating voltage, TRMS ( )

0/3 RPE Ω Loop impedance measurement with acoustic signal where I is constant

1 Ω Continuity test with acoustic signal

V DC Diode voltage where I is constant

0/2 Ω (DC) resistance

Temp. RT D 1 °C Pt 100/1000 Temperature with Pt 100 / Pt 1000 resistance thermometer

0/2 nF Capacitance

m (km) 1 m (km) Cable length (via capacitive linear electric constant)

a-b, a-E, b-E

0/2 V Extraneous voltage test

ISO

@10V/100V

1 ISO 100 V / kΩ / MΩ Insulation resistance measurement:

CAP

* nF Interference-immune capacitance measurement in selector switch positions (a-b)(a-E)(b-E)

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

Hz (A) 1 Hz ~ AC Current frequency

0/2 A DC DC amperage with AC DC clip-on current sensor, 1 V:1/10/100/1000 A

1 A DC AC TRMS Pulsating current amperage, TRMS, with AC DC clip-on current sensor, see above

0/2 A~ AC TRMS Alternating current amperage, TRMS, with clip-on current sensor, see above

Hz ( ) 1 Hz ~ AC Current frequency with clip-on current sensor, see above

200 Hz

ACDC