4
GMC-I Gossen-Metrawatt GmbH
Contents
Page
1
Safety Features and Precautions .................................... 6
2
Initial Start-Up ................................................................. 8
3
Selection of Measurement Functions and
Measuring Ranges ........................................................ 10
3.1
Automatic Measuring Range Selection .............................. 10
3.2
Manual Measuring Range Selection .................................. 10
3.3
Quick Measurements ....................................................... 11
4
Triple Digital Display ..................................................... 11
5
Measurement Value Storage
“DATA” (Hold & Compare) ............................................. 12
6
Minimum and Maximum Value Storage
“MIN-MAX” with Time Stamp ....................................... 14
7
Auto Select .................................................................... 16
8
Voltage Measurement ................................................... 17
8.1
Transient Overvoltages ..................................................... 18
8.2
Voltage Measurements for Greater than 600 V .................. 18
8.3
Alternating Voltage Level Measurement (dB) ...................... 19
9
Current Measurement ................................................... 21
9.1
Measurement with (Clip-On) Current Transformers ............ 22
9.1.1
Transformer Output mA or A for AC Measurements ........... 22
9.1.2
Transformer Output V for AC and DC Measurements ......... 23
10
Resistance Measurement .............................................. 24
11
Continuity Testing for Resistance Measurement .......... 25
12
Diode Testing ................................................................ 26
13
Continuity Testing for Diode Tests ................................ 27
14
Capacitance Measurement ........................................... 28
15
Frequency Measurement .............................................. 29
16
Temperature Measurement .......................................... 30
16.1
Temperature Measurement with Pt100 and Pt1000 .......... 30
16.2
Temperature Measurement
with Thermocouple and Reference Junction ...................... 30
17
Counting Events and Zero Crossings ............................. 32
17.1
Event Counting ................................................................ 32
17.2
Count Zero Crossings ...................................................... 34
18
Stopwatch ..................................................................... 34
19
Δ
Operating Mode, Reference Value
REF
. ................... 36