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®
Model ATD5490
12V Battery Condition &
Charging System Tester
Tests 12V Auto/Truck and Non Auto Batteries
and 12V charging systems
User Manual
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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.
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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 w
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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
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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 readi
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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
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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 Open
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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
