Instructions
Table Of Contents
- 1 Safety Features and Precautions
- 2 Operating Overview – Connections, Keys, Rotary Switch, Symbols
- 3 Initial Start-Up
- 4 Control Functions
- 5 Measurements
- 5.1 Voltage Measurement
- 5.1.1 Direct and Pulsating Voltage Measurement, V DC and V (DC+AC)
- 5.1.2 Alternating Voltage Measurement with 1 MW Load Resistance and Frequency Measurement with Selectable Low-Pass Filter (METRA HIT Extra, METRA HIT Etech and METRA HIT Especial only)
- 5.1.3 Alternating Voltage and Frequency Measurement V AC and Hz with Selectable Low-Pass Filter (METRA HIT Extra, METRA HIT Etech and METRA HIT Especial only)
- 5.1.4 Frequency and Duty Cycle Measurements (METRA HIT Extra only)
- 5.2 Resistance Measurement, W
- 5.3 Continuity Test
- 5.4 Diode Testing with a Constant Current of 1 mA
- 5.5 Temperature Measurement
- 5.6 Capacitance Measurement (METRA HIT Extra and METRA HIT Etech only)
- 5.7 Current Measurement
- 5.7.1 Direct and Pulsating Current Measurement, Direct Connection, A DC and A (DC+AC) (METRA HIT Extra, METRA HIT Etech and METRA HIT Especial only)
- 5.7.2 Alternating Current and Frequency Measurement, Direct Connection, A AC and Hz (METRA HIT Extra, METRA HIT Etech and METRA HIT Especial only)
- 5.7.3 Direct and Pulsating Current Measurement with Current Clamp Sensors, A DC and A (DC+AC)
- 5.7.4 Alternating Current Measurement with Current Clamp Sensors, A AC and Hz
- 5.7.5 Direct, Pulsating and Current Measurement with Current Clamps Transformer A DC, A (DC+AC), A AC and Hz (METRA HIT Extra, METRA HIT Etech and METRA HIT Especial only)
- 5.1 Voltage Measurement
- 6 Device and Measuring Parameters
- 7 Interface Operation
- 8 Technical Data
- 9 Maintenance and Calibration
- 10 Accessories
- 11 Index
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 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 Saving Minimum and Maximum Values – MIN/MAX Function ............22
4.5 Measurement Data Recording (METRAHIT E
XTRA only) .....................23
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 Measurement with 1 M
W
Load Resistance
and Frequency Measurement with Selectable Low-Pass Filter
(METRAHIT E
XTRA, METRAHIT ETECH and
METRAHIT ESPECIAL only) ...............................................................28
5.1.3 Alternating Voltage and Frequency Measurement V AC and Hz
with Selectable Low-Pass Filter
(METRAHIT E
XTRA, METRAHIT ETECH and
METRAHIT E
SPECIAL only) ...............................................................30
5.1.4 Frequency and Duty Cycle Measurements
(METRAHIT EXTRA only) ..................................................................33
5.2 Resistance Measurement,
5.3 Continuity Test ..............................................................................35
5.4 Diode Testing with a Constant Current of 1 mA ...............................36
5.5 Temperature Measurement ............................................................37
5.5.1 Measurement with Thermocouples, Temp TC ..................................37
5.5.2 Measurement with Resistance Sensors
(METRAHIT E
XTRA and METRAHIT ETECH only) ................................38
5.6 Capacitance Measurement
(METRAHIT E
XTRA and METRAHIT ETECH only) ................................39
5.7 Current Measurement ....................................................................40
5.7.1 Direct and Pulsating Current Measurement, Direct Connection,
A DC and A (DC+AC)
(METRAHIT E
XTRA, METRAHIT ETECH and
METRAHIT ESPECIAL only) ...............................................................41