Introduction/Scope Of Supply - Unitest TELARIS EARTH Instruction Manual

Contents
1.0 Introduction/Scope of Supply..........................................................................15
2.0 Transport and Storage.................................................................................... 16
3.0 Operator´s Safety........................................................................................... 16
4.0 General Information concerning Earth Measurement..................................... 17
4.1 Influence on Measurement Accuracy...............................................................18
5.0 Control Elements / Display.............................................................................. 19
6.0 Commissioning............................................................................................... 20
6.1 Earth Resistance Measurement (two-wire method).........................................20
6.2 Earth Resistance Measurement (three-wire method).......................................20
6.3 Earth Resistance Measurement (four-wire method)........................................22
7.0 Display Indications.......................................................................................... 24
8.0 Energy Management .......................................................................................24
9.0 Appropriate Usage...........................................................................................24
10.0 Maintenance....................................................................................................25
10.1 Cleaning.......................................................................................................... 25
11.0 Battery Replacement....................................................................................... 25
12.0 Calibration Interval.......................................................................................... 26
13.0 Technical Data.................................................................................................26
References marked on instrument or in instruction manual:
Warning of a potential danger, comply with instruction manual.
Reference. Please use utmost attention.
Caution! Dangerous voltage. Danger of electrical shock.
Continuous double or reinforced insulation complies with Category II.
Conformity symbol, the instrument complies with the relevant Directives. It com-
plies with the EMC Directive (89/336/EEC), Standards EN 50081-1:1992 and EN 50082-
1:1997 are fulfilled. It also complies with the Low Voltage Directive (73/23/EEC), Standard
EN 61010-1:1995 is fulfilled.
The instruction manual contains information and references necessary for safe
operation and maintenance of the instrument.
Prior to using the instrument (commissioning / assembly) the user is kindly requested to
thoroughly read the instruction manual and comply with it in all sections.
Failure to read the instruction manual or to comply with the warnings and references con-
tained herein can result in serious bodily injury or instrument damage.
1.0 Introduction/ Scope of Supply
You have purchased a high quality measurement instrument of Ch. BEHA GmbH which
will allow you to carry out measurement over a long time period. The company Ch. BEHA
GmbH is a member of the world-wide operating BEHA Group with its head office in
Glottertal which also houses our development centre. The BEHA Group is a leading orga-
nisation for Test and Measuring instruments.
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