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3.

OPERATION 

WARNING!

Ensure that you read, understand and apply the safety and operational instructions before applying 

the tester probes to the battery. Only when you are sure that you understand the procedures is it safe to proceed 
with the testing process.

3.1

PREPARATION

#

WARNING! 

Ensure that the vehicle, or battery, is in a well ventilated area before starting.

3.1.1

Check battery casing for cracks or leakage and confirm that it is 12 volts.

3.1.2

Clean battery terminals.

3.1.3

If possible, check electrolyte levels and top-up with distilled water as necessary.

DO NOT test for more than 10 seconds as damage may occur.

3.2

BATTERY TESTING

3.2.1

Press probe (fig.1.A) to the positive (+) battery terminal and probe (fig.1.B) to negative (-) terminal. 

3.2.2

LEDs 1 through 3 at the bottom of the tester should light up showing a healthy battery, if less than 3 illuminate the 
battery requires immediate maintenance.
NOTE: Some late models or larger vehicles may cause 4 LEDs to light up. 

This is OK.

3.3

ALTERNATOR TESTING

NOTE:  Idle the engine at 2000 rpm during the test (some vehicles may require a higher engine speed for an 

accurate test).

3.3.1

Press the positive (+) probe (fig.1.A) onto the positive battery terminal and negative (-) probe (fig.1B)  onto the 
negative terminal.

3.3.2

The LEDs 1 through 3 should illuminate to show a healthy battery plus two more to show the alternator is working 
efficiently. If only 1 illuminates or all LEDs illuminate the alternator is not working efficiently and will require
maintenance.

fig.1

01284 757500

01284 703534

[email protected]

Sole UK Distributor

Sealey Group,

Bury St. Edmunds, Suffolk.

www.sealey.co.uk

Web

email

NOTE:

It is our policy to continually improve products

and as such we reserve the right to alter data, 
specifications and component parts without prior notice.

IMPORTANT: 

No liability is accepted for incorrect use of

product. 

WARRANTY: 

Guarantee is 12 months from purchase

date, proof of which will be required for any claim. 

INFORMATION: 

For a copy of our latest catalogue

and promotions call us on 01284 757525 and leave
your full name and address, including postcode.

The construction files for these products are
held by the Manufacturer and may be
inspected, by a national authority,  upon
request to Jack Sealey Ltd.

BATTERY AND ALTERNATOR TESTER

MODEL: 

TA301

2004/108/EC EMC Directive

2002/95/EC RoHS Directive

2002/96/EC WEEE Directive

93/68/EEC CE Marking Directive

2006/95/EC Low Voltage Directive

30th August 2007

Signed by 
Mark Sweetman

Declaration of Conformity

We, the sole importer into

the UK, declare that the products listed here are in
conformity with the following standards and directives.

For Jack Sealey Ltd. Sole importer into the UK of
Sealey Professional Tools.

TA301 - 1 - 300807

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