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Additional information about lead batteries!
• The starting power (capacity) of a fully-charged battery drops to
under 70% at minus temperatures.
• Most damage to lead batteries comes from overcharging.
• "Warm" batteries are fully-charged at a faster rate than cold bat-
teries.
• every battery loses it's charge. The discharge current is lowest
with maintenance-free batteries.
• a battery that has remained uncharged over a long time period,
will sulphurize very easily (sulfur deposits on the plates) and will
lose capacity as a result.
• a charged fault-free battery has a no-load voltage of 12.7 V or
more. A defective or uncharged battery has a no-load voltage of
10.5 V or less.
Disposal
Dispose the unusable, irreparable lead battery tester in accordance
with valid laws.
Maintenance
The lead battery tester is maintenance-free except for occasional
cleaning of the clamps and unit cover. It may not be opened under
any circumstances. If the lead battery tester is nevertheless opened
or modified, the warranty claim expires. Use a clean, lint-free, static-
free and dry cleaning cloth for cleaning the device.
Caution!
Do not use any carbon-containing cleaning agent, gaso-
line, alcohols or similar for cleaning. This will affect the
casing of the gauge. In addition, the fumes are noxious
and explosive. Also do not use anysharp tools, screw-
drivers, metal brushes or similar for cleaning.
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Safety instructions
We cannot accept any liability for damage to property or physical
injury caused by improper use or failure to observe the safety
instructions. The warranty will become void in such cases.
• This device is constructed and tested to fulfill DIN 57 411/ Type
1/VDE 0411 Type 1 protection guidelines for electronic gauges,
IEC 1010-1 respectively, and has left the factory in technically
flawless condition. To maintain this condition and guarantee a
safe operation, the user must observe the safety instructions and
warnings ("Caution" and "Note"!) contained in these operation
instructions. The following symbols should be noted:
= read the operating instructions before use
• Gauges and devices do not belong in children's hands
• Regulations for accident prevention in commercial facilities to the
of the association of the commercial professional co-operative
societies for electrical systems and devices should be observed.
• In schools, educational facilities, hobby shops and workshops,
trained staff are responsible to supervise the use of measurement
instruments
• The following safety rules must be observed when working on
motor vehicle or measuring battery voltage under load:
a) A carbon dioxide fire extinguisher must be easily and perma-
nently available.
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