Operation Manual

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