4 GMC-I
Messtechnik
GmbH
Contents
......................................................................................................................... Page
1
Safety Features and Precautions ............................................................................5
2
Initial Start-Up .........................................................................................................7
3
Selecting Measuring Functions and Measuring Ranges .........................................8
3.1
Automatic Measuring Range Selection ........................................................................8
3.2
Manual Measuring Range Selection – MAN/AUTO Key .................................................8
3.3
Quick Measurements .................................................................................................9
4
Display (LCD) ...........................................................................................................9
4.1
Display Illumination ....................................................................................................9
4.2
Digital Display ...........................................................................................................9
4.3
Analog Display ..........................................................................................................9
5
Measured Value Storage – DATA / MIN-MAX Key .................................................10
5.1
DATA (hold / compare) .............................................................................................10
5.2
Storage of Minimum and Maximum Values “MIN/MAX” with Time Stamp ....................11
6
Voltage and Frequency Measurement ...................................................................12
6.1
Transient Overvoltages .............................................................................................13
6.2
Measuring Voltages of Greater than 300 V ................................................................13
6.3
Low-Voltage Measurement .......................................................................................13
7
Current Measurement ...........................................................................................13
7.1
Current Measurement with Current (Clamp) Sensors with Voltage Output ........................... 15
7.2
RPM Measurement at combustion engines ................................................................15
8
Resistance Measurement ......................................................................................16
9
Continuity Testing .................................................................................................16
10
Diode Testing ........................................................................................................17
11
Capacitance Measurment .....................................................................................18
12
Frequency Measurement – Duty Cycle Measurement ..........................................18
13
Temperature Measurement with Pt100 and Pt1000 .............................................19
14
Temperature Measurement with Type K Thermocouple .......................................19
15
Characteristic Values .........................................................................................20
16
Maintenance .........................................................................................................26
16.1
Batteries .................................................................................................................26
16.2
Fuses ......................................................................................................................26
16.3
Housing / Opening of Equipment / Repair ..................................................................27
16.4
Device Return and Environmentally Compatible Disposal ............................................27
17
Multimeter Messages ...........................................................................................27
18
Repair and Replacement Parts Service
Calibration Center and Rental Instrument Service ................................................28
19
Product Support ....................................................................................................28
