6
Frost protection tester
With a glance at the tester you can determine whether the liquid, e.g.
Coolant Scale, on left propylene glycol*, on right ethylene**
containssufficientantifreeze.Thedisplayofthedeviceisdividedintothreeseparate
scalesonwhichthevalueforeachliquidcanbereadoff.
* Propylenes are primarily used as antifreeze outside Europe.
** Ethylenes are primarily used as antifreeze in Europe.
Battery acid tester
For the battery acid, the acid density is measured in kg/l. The scale shows the ranges
for
Recharge
=refill,
Fair
= acceptable and
Good
= good.
Exercisecautionwhentestingthebatteryacid:Acidmaynotcomeintocontactwith
the eyes or skin – health danger!
AdBlue tester
AdBlueisasyntheticallyproduced32.5percentsolutionofhighlypureHarnstoffin
demineralisiertem Wasser. Below 32.5 % the solution does not have an optimum
mixingratio.From32.5%thecompositionisreferredtoasideal.
Test procedure
•Checkwhetherprismandcoverontesterareclean.
•Placeonedropoftheliquidtobetestedontheprismwiththeincludedpipette
•Closecovertodistributedrop
•Adjustfocusofeyepiecebyturning
•Readoffvaluefromcorrespondingscale–aclear
Light-Dark
dividing line
appears
•Aftercompletingthetestprocedure,theprismmustbecleanedcarefullywithadry
cloth.
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