Operation Manual

ManualsBrandsGossen Metrawatt ManualsMeasuring ToolMETRAHIT BASE

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 ..........................................................10

1.3 Meanings of Acoustic Warning Signals ............................................10

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⏐X-

TRA⏐OUTDOOR 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

Load Resistance

and Frequency Measurement with Selectable Low-Pass Filter

(METRAHIT⏐X-

TRA⏐OUTDOOR⏐TECH⏐PRO only) ...............................28

5.1.3 Alternating Voltage and Frequency Measurement V AC and Hz

with Selectable Low-Pass Filter

(METRAHIT⏐X-

TRA⏐OUTDOOR⏐TECH⏐PRO only) ...............................30

5.1.4 Transient Overvoltages ...................................................................32

5.1.5 Voltage Measurements at Above 1000 V .........................................32

5.1.6 Frequency and Duty Cycle Measurements

(METRAHIT⏐X-

TRA⏐OUTDOOR only) .................................................33

5.2 Resistance Measurement, Ω ........................................................34

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 Thermometers

(METRAHIT⏐X-

TRA⏐OUTDOOR only) .................................................38

5.6 Capacitance Measurement

(METRAHIT⏐X-

TRA⏐OUTDOOR and METRAHIT⏐TECH only) ...............39

5.7 Current Measurement ....................................................................40

5.7.1 Direct and Pulsating Current Measurement, Direct Connection,

A DC and A (DC+AC)

(METRAHIT⏐X-

TRA⏐OUTDOOR⏐TECH⏐PRO only) ...............................41