Top Tronic HellermannTyton T1820 User manual
INDEX
1. INTRODUCTION.....................................
2. SAFETY NOTES.....................................
3. FEATURES..............................................
4. SPECIFICATIONS...................................
5. MEASUREMENT METHODS..................
6. MAINTENANCE......................................
Page
1
2
3
4-5
6-7
8
-1-
1. INTRODUCTION
NOTE
This meter has been designed and tested in accordance
with the CE Safety Requirements for Electronic Measuring
Apparatus, EN61010-1 EN61326-1 and other safety
standards. Follow all warnings to ensure safe operation.
Application:
of an earth grounding installation for buildings (residential,
installations, cellular sites, radio and cable towers, etc.
conductor of electricity.
Purpose of Earth Grounding:
measuring purpose.
types of electrical interference.
-2-
2. SAFETY NOTES
Read the following safety information carefully before
.
Meter is protected throughout by double insulation
or reinforced insulation.
Caution ! Refer to this manual before using the
meter.
-3-
3.FEATURES
2mA measuring current permits earth resistance test
circuit under test.
In addition to the facility for precision measurement, test
supplied as standard accessories.
Data hold function.
Battery operated.
Designed to meet EN 61010-1, EN 61326-1,
IEC 61557-1, IEC 61557-5 safety standard.
-4-
4. SPECIFICATIONS
Measuring Ranges
Earth Resistance
Accuracy
Earth Resistance
Earth Resistance Resolution
Measuring System
Earth Resistance by constant
Low Battery Indication " "symbol appears on the
display
Data Hold Indication " "symbol appears on the
display
Open Circuit Indication LED will be unlit
Display
Power Source
Dimensions
Weight
-5-
Accessories
Test leads(red-15m
probe
Shoulder belt
Instruction manual
Batteries
-6-
5. MEASURING METHODS
BEFORE PROCEEDING MEASUREMENT, READ SAFETY
NOTES ON PAGE 2.
In proceeding with measurement, if " " symbol
appears on the display, replace with new batteries.
1. Earth voltage measurement
in errors in earth resistance measurement. Accurate earth
resistance measurement may not be made.
2. Precision earth resistance measurement method:
Earth
Fig.1
-7-
resistance higher than 10W is measured or where it is
by the two wire system where is shown in Fig. 3.
press to test, read earth resistance. If the display
earth resistance.
as P and C terminals are shorted by using the test
Fig.2
Fig.3
-8-
6. MAINTENANCE
When the symbol " " appears on the display, replace
with new batteries as follows:
off the power.
with new batteries type SUM-3.
Periodically wipe the case with a damp cloth and detergent:
If the meter is not to be used for periods of longer than 60
WARNING
do not get water inside the case.
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