User manual
6 GMC-I Messtechnik GmbH
Table of Contents
Content Page Content 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 .................................................19
4.1.3 Quick Measurements ......................................................................20
4.2 Zero Offset / Relative Measurements ...............................................20
4.3 Display (LCD) .................................................................................21
4.4 Measured Value Storage: DATA (auto-hold / compare) ......................22
4.4.1 Saving Minimum and Maximum Values – Min/Max Function .............23
4.5 Measurement Data Recording .........................................................24
4.5.1 Long-Term Recording .....................................................................24
4.5.2
Storage of Individual Values using the SAMPLE or dAtA Sampling Rate ......... 26
5 Measurements ................................................................. 28
5.1 Voltage Measurement ....................................................................28
5.1.1 Direct and Pulsating Voltage Measurement, V DC and V (DC+AC) .....29
5.1.2 Alternating Voltage and Frequency Measurement V AC and Hz
V AC with Selectable Low-Pass Filter, V AC + FiL and dB V AC .........31
5.1.3 Frequency and Duty Cycle Measurement .........................................34
5.2 Resistance Measurement
5.3 Continuity Test with Constant Current of 1 mA ................................36
5.4 Diode Testing with Constant Current of 1 mA ..................................37
5.5 Temperature Measurement ............................................................38
5.5.1 Measurement with Thermocouples, Temp TC ..................................38
5.5.2 Measurement with Resistance Sensors ...........................................39
5.6 Capacitance Measurement ............................................................40
5.7 Current Measurement ....................................................................41
5.7.1 Direct and Pulsating Current Measurement, Direct Connection,
A DC and A (DC+AC) ......................................................................42
5.7.2 Alternating Current and Frequency Measurement,
Direct Connection, A AC and Hz ......................................................43
5.7.3 Direct and Pulsating Current Measurement with Current Clamp Sensor, A
DC and A (DC+AC) .........................................................................44
5.7.4 Alternating Current Measurement with Current Clamp Sensor,
A AC and Hz ..................................................................................45
5.7.5 Alternating Current Measurement with Current Clamp Transformer,
A AC and Hz ..................................................................................46