Operation Manual
Page 19 of 19 
Battery 
Battery Replacement  
  Switch off the instrument 
  Disconnect the instrument from 
any electrical circuits 
  Undo two screws 
  Remove the battery cover from 
the base. 
  For battery replacement: 
a)  Remove old batteries  
b)  Refit new batteries following 
correct polarity as marked on 
the battery holder 
c)  Replace the battery cover 
d)  Tighten Screws 
e)  Do not mix old and new 
batteries 
Incorrect battery cell polarity can cause 
electrolyte leakage, resulting in damage 
to the instrument. 
1 - Disconnect  
 Leads 
2 - Undo Screws x 2 
3 - Lift off battery cover 










