Bedienungsanleitung Gossen Metrawatt METRAHIT ULTRA BT (Seite 6 von 74) (Englisch)

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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

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

4.5.3 Rapid Momentary Value Acquisition for U DC and I DC ......................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 Transient Overvoltages ...................................................................34

5.1.4 Voltage Measurements at Above 600 V ...........................................34

5.1.5 Frequency and Duty Cycle Measurement .........................................35

5.2 Resistance Measurement Ω ...........................................................36

5.3 Continuity Test with Constant Current of 1 mA ................................37

5.4 Diode Testing with Constant Current of 1 mA ..................................38

5.5 Temperature Measurement ............................................................39

5.5.1 Measurement with Thermocouples, Temp TC ..................................39

5.5.2 Measurement with Resistance Sensors ...........................................40

5.6 Capacitance Measurement ............................................................41

5.7 Current Measurement ....................................................................42

5.7.1 Direct and Pulsating Current Measurement, Direct Connection,

A DC and A (DC+AC) ......................................................................43

5.7.2 Alternating Current and Frequency Measurement,

Direct Connection, A AC and Hz ......................................................44

5.7.3 Direct and Pulsating Current Measurement with Current Clamp Sensor,

A DC and A (DC+AC) ......................................................................45

5.7.4 Alternating Current Measurement with Current Clamp Sensor,

A AC and Hz ..................................................................................46

5.7.5 Alternating Current Measurement with Current Clamp Transformer,

A AC and Hz ..................................................................................47

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