AutoTest Battery Analyzer User manual
Battery Analyzer
User’s Manual Version 1.1
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Caution
This analyzer is used to test 12 volt automotive batteries.
A freshly charged battery will show a higher than normal
voltage. If this is the case, turn on headlights for a few minutes to
allow the voltage to stabilise.
Always connect directly to the leads of the battery terminals,
as connection to a remote post or vehicle ground will affect
test results.
This analyzer has four functions:
• Battery test
• Charging system test
• Start system test
• Maximum load test.
The battery test results can be printed off using the inbuilt printer.
The date and time of the test are recorded on the print-off.
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Contents
Introduction
Specifications
Battery Suitability
Product Features
Installation and Testing
Installation
Battery Test
State of Health (Battery Condition)
Testing
Charging System Test
Start System Test
Maximum System Test
Maintenance
Adjusting Date and Time
Replacing Thermal Paper Roll
Appendix: Conversion Tables of Battery
Size Range
EN and DIN Conversion Tables
JIS Specification Conversion Tables
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4
6
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7
9
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10
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13
Page 4
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10
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Introduction
DC Voltage: 9V-18V
Working Temperature: 0°C℃to + 50°C℃
Accuracy: ± 0.5mΩ
Frequency Of Testing Range: 100Hz
Packing Dimensions: 320 x 240 x 55mm
Product Dimensions: 207 x 103 x 37mm
Battery Analyzer Specifications
Note: This information is normally found on a sticker on
top of the battery.
Battery Suitability
This battery analyzer is suitable for batteries using the following
capacity rating standards and ranges:
• CCA: 100-1700
• IEC: 100-1000
• EN: 100-1700
• JIS: refer to the conversion table for CCA figures
• DIN: 100-1000
• Unknown: If rating standard and range is unknown, the tester
will show state of change (SOC), internal resistance and the
measured voltage, but not the state of health (SOH).
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Product Features
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1. Thermal paper roll holder and slot
2. Display shows options and data output
3. Right key for selecting functions and data
4. Left key for selecting functions and data
5. Exit key for clearing memory and exiting functions
6. Enter key for confirming functions and data
7. Protective outer body.
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Installation and Testing
Connect the clips to the appropriate battery terminal or post;
red to positive, black to negative. Once the battery analyzer
initialises, it will display the Language Selection screen. Select
your language and press Enter to enter the main menu. To select
one of the four test functions, use the Land Rkeys. Use the
Enter key to select the test function required.
1. Select Battery Test, then press Enter.
2. If the battery voltage capacity is too
low, the tester will display a warning;
it is recommended to charge the
battery for an accurate assessment
of the battery condition. Press Enter
to continue.
3. Select the battery capacity rating
standard; there is a choice of five
capacity rating standards - refer to
Battery Suitability on page 4. Press
Enter to continue.
4. Select the battery capacity rating
(e.g. 500CCA), and use the Land
Rkeys to increase or decrease the
capacity rating in steps of five at a
time. Press Enter to start the test.
Installation
Battery Test
Caution: Ensure the vehicle’s ignition and all electrical
equipment is switched off.
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5. The results of the test will be shown
on the display:
• SOC: State of change
• SOH: State of health
• CCA/IEC/EN/JIS/DIN: Cold
cranking as measured on the test
• V: Battery voltage as measured on
the test.
• r: internal resistance.
6. Select of you wish to print the results. Press Yto confirm,
or Nto exit.
State of Health (Battery Condition)
Battery Condition Results Displayed Advice
SOH > 80% Great Battery in peak
condition
SOH 60%-80% Good Serviceable/good
SOH 45%-60% Caution Poor condition/
replace soon
SOH < 44% Suggest
Replacement Replace battery
Note: If the voltage is low, a charge and retest message
will be displayed with the test results.
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Testing
1. Connect analyzer to
battery terminals.
2. Select Charging System Test.
3. Start the engine and bring it to
2000RPM for about 15 seconds.
4. Analyzer displaying a countdown to 00.
5. Continue to idle engine whilst test results are being displayed.
6. After testing, three kinds of results will be displayed.
• Overcharging: if the test result of maximum voltage is above 15.0V
this indicates overcharging. Check and/or test the voltage regulator.
• Low Charging rate: if the test result is below 13.3V this indicates
a low charge rate. Check the connections, wiring and alternator.
• Charging system is OK: the charging system is normal.
7. Continue to idle the engine whilst printing test results.
Press Yto confirm, or Nto exit.
1. Select Start System Test and press Enter.
2. Follow the instructions as they appear on the display.
Charging System Test
Start System Test
Note: If the test commences before engine is started,
then the Vmin (minimum voltage recorded) will show an
artificially low reading because of the starter motor load.
Caution: Ensure the vehicle’s ignition and all electrical
equipment is switched off before starting this test.
3. Start the vehicle’s engine.
4. The start voltage will be displayed.
If the figure is above 8.0V then the
starter system is OK. Below 8.0V
indicates a faulty starter system.
If this is the case, check all
connections, including the main
battery and grounds connnections, wiring and the
starter motor.
5. Select of you wish to print the results. Press Yto confirm,
or Nto exit.
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1. Select Max. Load Test and then
press Enter.
2. Follow the instructions as they
appear on the screen.
3. Switch on all the vehicles
electrical equipment (i.e. lights,
heated rear screen, heater fans etc), then start the engine
and bring is to 2000rpm for 15 seconds.
4. The Max.load voltage will be displayed. If the figure is below
12.8V, then check the circuit connections, including the main
battery and grounds connnections, wiring, the alternator and
also check the alternator belt is not slipping.
5. Select of you wish to print the results. Press Yto confirm,
or Nto exit.
Maximum Load Test
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Maintenance
1. Press and hold the Exit key, then connect the analyzer to a
suitable battery.
2. Use the Exit key to select the parameter, then use the Land
R keys to change the selection. Press the Exit key again to go
to the next parameter to be changed.
3. Press the Enter key when finished to finalise changes.
1. To access the paper roll, slide the access cover up and away
from the battery analyzer.
2. Connect the analyzer to a suitable battery. Place the cut edge
of the new paper roll under the black rubber roller.
3. Press the Enter key to feed the paper through the rollers.
4. Replace the cover and tear off any excess paper.
Adjusting Date and Time
Replacing the Thermal Paper Roll
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