Ogden Standard-Examiner | 1923-05-13 | Page 22 | Battery Testing is Exacting Work

BATTERY BATTERY TESTING TESTING IS EXACTING WORK In addition to the hydrometer tr for fr testing the electrolyte to the tho meter volt meter ammeter and test set are also aloo used ud The olt oit and ammeter are aro electrical meat meas measuring the latter b a great groat service sf In testing electrical l circuits The Tho range of o these In- In Instruments in instruments I should bo be as ns follows meter volt should have base a 0 scale not muce higher than the tho highest reach reached d In starting and lighting circuits while the ammeter r should road up to thirty amperes I 1 he I ammeter can be b used to for determining ing the tho current consumed I by the tl lamps and that entering the gat- gat t gat-t try tery ry from the generator during charging to see whether they thoy are aro normal This also enables the oper oper- oper operator ator to charge at the tho proper rate and also to make discharge tests In either case ease It may be inserted right at tho battery b by tal the tho I connector from one of the tha battery terminals and connecting the tho Am- Am Ammeter ammeter meter meter between the tho tel minal and the battery Various types of or In- In Instruments instruments In Instruments may be ba had but the tho type permItting a a direct connection Is preferred to avoid the escape ot of current through grounds etc ete 1 Iho he meter olt cannot bo be con con- connected con connected Into a circuit but must at- at always al always ways be connected between the tho two terminals of a 11 source of or cur cur- current cur current rent or a current consumption de- de vice da-vice aico Vol Voltage age is the tho pr pressure of the current and It can readily bO be understood thit th the tho pressure the battery exerts in do- do deIh de delivering Ih livering current and the tha pressure required to for forge force e current Into the battery Indicate tho the state of charge of f the tho battery or of an any one ono cell While the h hydrometer drometer Is 15 a 11 con con- con means menns of ot testing testing- a 11 battery It Is 13 evident eident that a completely ills ills- dis discharged charged chare battery may have hate hat ahat Is term termed cd a drug store drug charge that Is the battery may moy ha hao 0 boon been brought up to the tho specIfied specified fied fled gr Ity reading by merely adding acid and the voltage read read- readIngs readings ings logs therefore give gise gh e a check on the gra Ity readings In other ortis the voltage reading discloses the doped battery by Its 1 lack Lck of or volt volt- voltage ge age Automobile Digest