(BESA-12V24G) User Manual
Version GS 17628
17
Version GS 17628
•
SAE (The Society of Automotive Engineers) Standard.
SAE has established Cold Cranking Amperes (CCA) rating for batteries as their standard. Therefore this
rating is the same as CCA rating as mentioned above.
•
IEC (International Electro technical Commission) Standard.
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 1 (European Norms) Standard.
EN 1 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 7.5 Volts for 10 seconds discharged at the rated current, followed
by 10 seconds rest, then it is discharged at 60% of the original current for further 73 seconds to give an
equivalent total discharge time at the lower current of 90 seconds still maintaining 7.5 Volts.
•
EN 2 (European Norms) Standard.
EN 2 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 7.5 Volts for 10 seconds discharged at the rated current, followed
by 10 seconds rest, then it is discharged at 60% of the original current for further 133 seconds to give an
equivalent total discharge time at the lower current of 150 seconds still maintaining 6.0 Volts.
•
JIS# (Japanese Industrial Standard)
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.
•
DIN (Deutsches Industrie Normen)Standard.
Basing on DIN , the rating requires that at 0
°
F (-18
°
C), the 12V battery is able to deliver the number of
amperes while maintaining a voltage of at least of 9.0 Volts for 30 seconds and 8.0 Volts for 150 seconds
during cranking.
•
CA (Cranking Amperes) / MCA (Marine Cranking Amperes) Rating.
This rating is the number of amperes that a new fully charged battery can delivery at 32
°
F (0
°
C) for 30
seconds, while maintaining a voltage of at least 7.2 Volts for a 12V battery during cranking.
•
?? (Unknown)
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 (State of Charge), CCA and the Internal Resistance (m
Ω
) only.
This selection can also be used to test 12V - Deep Cycle Batteries. An example of the results display is
shown below: (Fig.37)
To determine the condition of the tested Deep Cycle Batteries, refer the
Volts
reading – State of Charge
(
should not fall below 12.60V when fully charged for Lead Acid Batteries, 12.85V for Gel Batteries and
12.80V for AGM Batteries
) and the Internal Resistance [
Int. R
] of the tested battery should
not be more
15 m
Ω
readings can be considered to be a good battery.
Fig.37
12.55 V
120 CCA
18.91 m
Ω
State of Charge (SOC)
Measured CCA (Power Available)
Internal Resistance
