Topdon AL500B Manuel De L'utilisateur page 37

● Internal Resistance: The internal resistance is the
opposition to the current flow presented by the cells
and the battery itself, generating heat. Its electronic
resistance and ionic resistance directly impact this
indicator.
Cranking Test
● BEFORE THE CRANKING TEST, THE ENGINE AND ALL
OTHER ACCESSORY LOADS MUST BE OFF WHEN
PERFORMING CRANKING TESTS IN ORDER TO
ENSURE ACCURATE RESULTS. THE CRANKING TEST
SUPPORTS BOTH 12V & 24V LEAD-ACID BATTERIES.
1. Select "Cranking Test" and press [OK]. (See Figure 4.3.1)
2.The test will start by prompting you to crank the engine
within 30 seconds. (See Figure 4.3.2)
Figure 4.3.1
Figure 4.3.2
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