User manual
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 ..........................................................11
1.3 Meanings of Acoustic Warning Signals ............................................11
2 Operating Overview – Connections, Keys, Rotary Switch, Symbols 12
3 Initial Start-Up .................................................................. 16
3.1 Inserting Batteries or Rechargeable Batteries ...................................16
3.2 Switching the Instrument On ...........................................................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 Exceeding the Measuring Range .....................................................20
4.4 Measured Value Storage: DATA (auto-hold / compare) ......................21
4.4.1 Saving Minimum and Maximum Values – Min/Max Function .............22
4.5 Measurement Data Recording .........................................................23
5 Measurements ................................................................. 26
5.1 Switching from the Calibration Function to the Measuring Function ...26
5.2 Voltage Measurement ....................................................................27
5.2.1 Direct Voltage Measurement, V DC .................................................28
5.2.2 Alternating Voltage and Frequency Measurement, V AC and Hz .........29
5.3 Resistance Measurement
5.4 Continuity Test ..............................................................................31
5.5 Diode Testing with Constant Current of 1 mA ..................................32
5.6 Temperature Measurement ............................................................33
5.6.1 Measurement with Thermocouples, Temp TC ..................................33
5.6.2 Measurement with Resistance Thermometers ..................................34
5.7 Capacitance Measurement ............................................................36
5.8 Current Measurement ....................................................................37
5.8.1 Direct Current Measurement, A DC .................................................38
5.8.2 Alternating Current and Frequency Measurement,
Direct Connection, mA AC and Hz ...................................................39
5.8.3 Direct Current Measurement with Current Clamp Sensor, mA DC ......40
5.8.4 AC Measurement with Current Clamp Sensor, A AC and Hz ..............41
5.8.5 Direct and Alternating Current Measurement with Current Clamp
Transformer, mA DC, mA AC and Hz ...............................................42