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Explanation of the following terms used as shown on the LCD display:
• CCA (Cold Cranking Amps) – most commonly used Standard.
• IEC (International Electrotechnical Commission) Standard.
• EN (European Norms) Standard
• JIS# (Japanese Industrial Standard)
• DIN (Deutsches Institut für Normung) - German Institute for Standardization.
• Unknown
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CCA is a rating used in the battery industry to rate a battery's ability to
start an engine in cold temperatures. This rating is the number of
amperes that a new fully charged battery can delivery at 0°F (-18°C) for
30 seconds, while maintaining a voltage of at least 7.2 Volts for a 12V
battery.
The bigger the CCA will have the greater starting power of the battery.
IEC amperes rating require that at 0°F (-18°C), the number of amperes
that the 12V battery can deliver while maintaining a voltage of at least of
8.4 Volts for 60 seconds during cranking.
EN amperes rating require that at 0°F (-18°C), the number of ampere
that the 12V battery can deliver while maintaining a voltage of at least
6.0 Volts for 180 seconds during cranking.
JIS # amperes' rating is based on Ampere Hours and is calculated using
20 hours rating. In this manual, it is using CCA ratings reference table
list provided basing on the JIS model number (See page 34).
Taking an example: DIN 100 Amperes
Basing on DIN 100 Amp battery, the rating requires that at 0°F (-18°C),
the battery is able to deliver 100 amperes while maintaining a voltage of
at least of 9.0 Volts for 30 seconds and 8.0 Volts for 150 seconds during
cranking.
If you are not sure which ratings (CCA, EN, IEC, JIS or DIN) that the
battery is based on then choose this setting. It will show the battery's
Voltage, CCA and the Internal Resistance (mΩ) only. This selection can
also be used to test 12V - Deep Cycle Batteries.
An example of the results display is shown below:
Figure 15
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