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1.Safety Information
This operation manual includes the safety information related to the operation of the
tester, please read them carefully before using the tester.
Before using the Tester, please read through and understand the operating
manual.
Please keep the Operating Manual properly for future use.
Use the Tester as specified in the Operating Manual.
Please understand in detail the Safety Information section of the manual.
Strictly follow the Safety Information, otherwise it may cause personal injury or
damage to the Tester.
Safety sign "
"has 3 meanings in this manual, the user has to pay attention to
this sign "
" for operation.
Danger
identifies conditions and actions that most likely pose hazard(s)
to the user.
Warning
identifies conditions and actions that may pose hazard(s)
to the user.
Caution
identifies conditions and actions that may cause minor
injury or damage to the Tester.
Danger
Do not use the Tester around explosive environment, which may cause fire and
explosion.
Do not make any connections when the Tester is wet or the operator's hands
are wet.
Do not apply any voltage beyond the rating or specified range of the Tester.
Do not open battery compartment while testing.
Warning
Do not use the Tester if it is damaged or metal part is exposed.
Do not disassemble the tester randomly. If it needs repair, please contact
our after-sales services or our agents.
Do not change battery or open battery compartment when the Tester is wet.
clean it with dry soft cloth first.
Make sure the Tester is turned off when changing battery or opening the battery
compartment.
Caution
Ensure test leads are inserted into the corresponding port before measurement.
Take the battery out from the Tester if it is not used for a long time.
Do not expose the Tester in extreme temperature and wet environment.
Soft cloth and mild detergent should be used to clean the surface of the Tester
No abrasive and solvent are allowed.
Dry the tester before storing if it is wet.
Electrical Symbols are used on the Tester or in the manual:
danger, warning and caution icon
Alternating Current
Conforms to Standards of European Union
2. Features
The Tester is designed with intelligent micro-controller chip and offers high accuracy
and reliability. It can measure earth resistance of earth ground devices of electric
power installations, electrical appliances, lightening protection systems, etc, and also
measure earth voltage(It is highly recommended not to use the Tester under severe
outdoor environments such as raining or thunder).
●
Backlight LCD;
●
Battery Check;
●
Data Hold& Data Storage(up to 20 sets);
●
Auto Power Off;
●
Offer Precision Three-Wire & Simple Two-Wire Measurements;
●
"- - - - Ω" Indication for Bad Connection to C or E Terminal When Measuring
Earth Ground Resistance;
●
"OL" Overloaded Indication;
●
Double-or Reinforced-Insulated structural Design.
3. Technical Specifications
Measuring Range and Accuracy(under 20
double or reinforced insulation
Grounding
5 & 75%RH):
Range
Measure Range
Earth Voltage
0V~200V(50/60Hz)
20
0.00 ~20.00
Earth
200
0.0
~200.0
Resistance
2000
0
~2000
Compliances:
IEC 61010-1 CATIII 600V Pollution Degree 2
IEC 61557-1,5
IEC 61010-2-31
Measure Modes:
(1) Earth Voltage Measurement: average respond
(2) Earth Resistance Measurement: Test signal frequency : around 820Hz,
current: around 3.2mA at 20Ω range.
Measuring scope(Max. deviation:±30%):
20
Range : 5.00
~20.00
200
Range : 20.0
~200.0
2000
Range : 200
~2000
Working condition:
Temperature:5
~40
Relative humidity: 80%RH(no fog)
Altitude:
2000 m
Storage condition:
Temperature:-20
~60
Relative humidity: 75%RH(no fog)
Power: [1.5V Alkaline Battery (AA)*6]
Overload protection:
Earth Resistance ranges: 200 Vac (10 seconds)
Earth Voltage:400 Vac (30 seconds)
Insulation Impedance:
＞20MΩ between measure circuits and the casing.
Product size:160mmx70.5mmx100mm.
Product Weight:around 560g.
Accessories:
Green test lead (5 m)
Yellow test lead (10 m)
Red test lead (20 m)
Auxiliary earth stakes
Simple test leads with alligator clips
1.5V Alkaline Battery (AA)
Carrying bag
English manual
4. Tester Structure&Accessories (Figure 1)
Figure 1
5. Preparations before Measurement
5.1
Battery check: Set the rotary switch to earth voltage or earth ground resistance
ranges, if " " shows, it indicates the battery is very low and needs to be
replaced timely, otherwise the Tester may be unable to work normally.
Battery sign
Best Accuracy
(1.0%+4)
(2.0%+10) (20
position)
(2.0%+3)(200
or 2000
position)
(Auxiliary earth resistance 500
(accuracy
5%);earth voltage 10Vac)
1 pc
1 pc
1 pc
2 pcs
1 set
6 pcs
1 set
1 pc
LCD Display
1
LIGHT/LOAD button
2
HOLD/SAVE button
3
TEST button
4
Rotary switch for function
5
selection
Input terminals
6
Standard 3-Wires test leads
7
Simple 2-Wires test leads
8
Auxiliary earth stakes
9
Battery Voltage
8.2V
7.8V~8.2V
7.4V~7.8V
7.0V~7.4V
7V
1
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