ATD Tools ATD5490 Manuel utilisateur
Model ATD5490
12V Battery Condition &
Charging System Tester
Tests 12V Auto/Truck and Non Auto Batteries
and 12V charging systems
User Manual
®
INTRODUCTION
Your new Model ATD5490 Battery Diagnostic Tester employs
conductance testing to determine the condition of the battery.
The patented circuit eliminates the need for time consuming CCA
input or conversions to other rating systems. When the TEST
button is pressed, the ATD5490 will immediately display BOTH
the percent available capacity of the battery and the condition
of the battery. The ATD5490 also tests 12V alternator and starter
systems.
Checking Battery Condition
Out of Vehicle Testing
1. Connect the red clip to the positive battery post and
the black clip to the negative post. The battery voltage
will be displayed. Note: use post adapters for side
mount batteries or batteries with top mount threaded
studs (group 31). Connecting to threaded studs will
result in inaccurate readings.
2. For Auto/Truck batteries (390 to 1400 CCA) no size
selection is necessary (default size). The Auto/Truck size
indicator LED will be on.
For Small/Non-Auto batteries (6 Ah to 33Ah) press
selector switch once. The LED indicator will switch to the
Small/Non-auto position.
3. Press and hold down the Test Button until the final
reading is displayed.
The digital display shows percent available capacity.
The Display and Bargraph will automatically revert back
to Volts after approx. 6 seconds, if the TEST Button is
not released.
4. The color--coded LED BARGRAPH will show GOOD
(Green) MARGINAL (Yellow) or REPLACE (Red).
Note: Some batteries may display above 100%. This means
that the available capacity is greater than the rated capacity
Low Volt Indicator
Batteries that test Marginal or (just below Marginal) when the
Low Volts LED indicator is on (below 12.3 Volts) should be
recharged and retested for more accurate results.
Bad Cell Indicator
Capacity displayed below 20% and only 1 red led on the bar-
graph indicates that the battery has a defective cell. Defective
battery cells are usually open or shorted and the battery must
be replaced.
In Vehicle Testing
(Checking Battery Condition)
1. Engine should be off. Turn off all accessory loads.
2. Remove surface charge (battery voltage is greater than 12.8
Volts) by turning on the headlights for 15 seconds.
3. Follow instructions for Out of Vehicle Testing (see Page 2).
Converting to CCA, DIN, JIS, Ah
If required, the available CCA, Ah, DIN, & JIS, can easily be
determined by multiplying the percent displayed times the
battery’s original rating. For example, a 600 CCA battery with
80% capacity available would have 480 CCA (.80 x 600)
available. A 20Ah battery with 80% would have 16 Ah
available.
CHARGING SYSTEM TEST
Note: Prior to performing this test, check the battery condition to
make sure it is in good condition. (See In Vehicle Battery Test
Instructions).
1. Check first for a loose, worn or broken alternator belt. If okay,
proceed to #2.
2. Connect the red clip to the positive battery terminal and the
black clip to the negative terminal and start engine.
3. With engine running, and lights on, the real time alternator
output voltage will be displayed. The reading should display
between 13.0 and 15.0 volts for 12V charging systems.
4. Low charging voltage: check belts for slippage. Check
connections from the alternator to the battery. If no problems are
found, replace the alternator.
5. High charging voltage: Check for loose connections including
the ground connection. If OK, replace the voltage regulator.
Newer alternators house the regulator inside. In this case
replacing the alternator is necessary.
STARTER TEST
Note: Check the battery condition to make sure it is in good
condition before performing this test. (See In-Vehicle Battery
Test Instructions page 3).
1. Connect the red clip to the positive battery terminal and the
black clip to the negative terminal.
2. Disengage the ignition. (Check manufacturer’s instructions).
Read the voltage displayed while cranking the starter.
3. Cranking Voltage is Normal: For 12V systems the normal
cranking voltage at the battery should be equal to or greater than
9.6 volts*.
4. Cranking voltage is Low: If the cranking voltage is less than
9.6 volts*, starting system has a problem. Check wires,
connections and starter.
* Check manufacturer’s specifications for 12V systems.
New Batteries:
Nearly all batteries will not reach full capacity until cycled 10-30
times. A brand new battery will have a capacity of about 5-10%
less than the rated capacity.
Inactivity can be extremely harmful to a battery. New batteries
that have been on the shelf for many months may show
“marginal” or “replace” when tested, depending on the storage
conditions. In that case, always charge and retest the battery
before replacing.
SPECIFICATIONS
Battery Size Range
Auto/Truck: 390 to 1400 CCA
Small Non-Auto 6Ah to 33 Ah
Battery Condition
Good: 80 to 100%
Marginal: between 70 to 80%
Replace: below 70%
DC Volt Range: 7V to 19.9V
DC Volts Accuracy: ± 2% Reading
Capacity/Volts Display: 3 LED’s- 2 ½ Digit
Bar-graph Display: 10 color-coded LEDs
Operating Temperature: 32°F to 120°F
Weight: .75 LBS
Dimensions: 7.5” x 3.5” x 1” H
Jaw Opening: 1.25”
RETURN FOR REPAIR POLICY
Every effort has been made to provide reliable, superior quality
products. However, in the event your instrument requires repair,
forward unit to Service Center freight prepaid to the address
below with return address, phone number and/or email address.
SERVICE CENTER
2651 W 81st Street
Hialeah, FL 33016
WARRANTY POLICY
The ATD5490 Battery Diagnostic Tester is warranted to be free
of defects in materials and workmanship for a period of two years
from the date of purchase. This warranty applies to all repairable
instruments that have not been tampered with or damaged
through improper use including unauthorized opening of the unit.
Please ship warranty units that require repair freight prepaid to
Service Center along with proof of purchase, return address,
phone number and/or email address.
US PATENT # 6,768,309
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