6
GMC-I Messtechnik GmbH
Table of Contents
Contents
Page
Contents
Page
1
Safety Features and Precautions ....................................... 8
1.1
Use for Intended Purpose ................................................................10
1.2
Meanings of Danger Symbols ..........................................................10
1.3
Meanings of Acoustic Warning Signals ............................................10
2
Operating Overview – Connections, Keys, Rotary Switch, Symbols 12
3
Initial Start-Up .................................................................. 16
3.1
Batteries ........................................................................................16
3.2
Activation .......................................................................................16
3.3
Setting the Operating Parameters ....................................................16
3.4
Switching the Instrument Off ...........................................................17
4
Control Functions ............................................................. 18
4.1
Selecting Measuring Functions and Measuring Ranges .....................18
4.1.1 Automatic Range Selection .............................................................18
4.1.2 Manual Measuring Range Selection .................................................18
4.1.3 Quick Measurements ......................................................................19
4.2
Zero Offset / Relative Measurements ...............................................19
4.3
Display (LCD) .................................................................................20
4.3.1 Digital Display ................................................................................20
4.3.2 Analog Display ...............................................................................20
4.4
Measured Value Storage: DATA (auto-hold / compare) ......................21
4.4.1 Function DATA during insulation measurement * ..............................22
4.4.2 Saving Minimum and Maximum Values – MIN/MAX Function ............23
4.5
Measurement Data Recording .........................................................24
5
Measurements ................................................................. 26
5.1
Voltage Measurement ....................................................................26
5.1.1 Direct and Pulsating Voltage Measurement, V DC and V (DC+AC) .....27
5.1.2 Alternating Voltage and Frequency Measurement V AC and Hz
with Selectable Low-Pass Filter .......................................................28
5.1.3 Transient Overvoltages ...................................................................31
5.1.4 Voltage Measurements at Above 1000 V .........................................31
5.2
Resistance Measurement,
5.3
Temperature Measurement: Temp RTD and Temp TC ......................33
5.3.1 Measurement with Resistance Thermometers ..................................33
5.3.2 Measurement with Thermocouples, Temp TC ..................................35
5.4
Continuity Test ..............................................................................36
5.5
Diode Testing with Constant Current of 1 mA ..................................37
5.6
Capacitance Measurement ............................................................38
5.7
Insulation Resistance Measurement – M
@UISO
..............................39
5.7.1 Preparing for Measurement ............................................................39
5.7.2 Performing the Insulation Measurement ..........................................40
5.7.3 Ending the Measurement and Discharging ......................................41
5.8
Current Measurement ....................................................................42
5.8.1 Direct and Pulsating Current Measurement, Direct Connection,
A DC and A (DC+AC) ......................................................................43
5.8.2 Alternating Current and Frequency Measurement,
Direct Connection, A AC and Hz ......................................................44
5.8.3 Direct and Pulsating Current Measurement
with Clip-On Current Sensor A DC and A (DC+AC) ...........................45
5.8.4 Alternating Current Measurement with Clip-On Current Sensor,
A AC and Hz ..................................................................................46
5.8.5 Alternating Current Measurement with A AC and Hz Clip-On
Current Transformer .......................................................................47
