User manual

4.ReleasetheEnterkey.

5.Bypassthevoltagemeasuringinput(U=0V)andusetheEnterkey.

6.Connectaconstantvoltagesourcewithapprox.20Vtothevoltagemeasuringinput.

This voltage must also be connected to a reference measuring device simultaneously.

ThedisplayoftheHB624isnowindicatingavaluethatshouldalsobeindicatedbythe

voltmeter.Inthiscase:20000mV.Ifthisvaluediffers,itwillbesetwiththeUp-Down

keys.AfterwardstheadjustmentwillbeconrmedbytheEnterkey.

7.Releaseorbypassthecurentmeasuringinput(I=0mA)andconrmwiththeEnter

key.

Adjustment curent measuring input:

8.Onthecurrentmeasuringinputconnectaconstantcurrentsourceapprox.2A(e.g.a

powersupplyunitwithcurrentlimiting).Thiscurrentshouldalsobecheckedwitharefe-

rencemeasurementdevice.ThedisplayoftheHB624indicatesavaluewhichshould

nowbeindicatedbytheamperemeter.Inthiscase:2000mA.Ifthisvaluediffers,itcan

besetbytheUp-Downkey.AfterwardstheadjustmentwillbeconrmedwiththeEnter

key.