5
INS0228 July 2020
Opening t he lid reveals t he following int ernal feat ures:
RS232 connector cover
Prot ect ive pocket and
sam ple insert ion port
For det ails on t he RS232/ USB connect or and prot ect ive pocket , refer
t o sect ions
5.6
and
6.1
respect ively.
2 .2
I n st a l l i n g Bat t e r i e s
The unit is designed t o operate from bot h non-rechargeable alkaline
bat t eries and rechargeable Nickel Met al Hydride ( NiMH) or Nickel
Cadm ium ( NiCD) bat t eries:
Ba t t e r y
Te ch n o l o g y
N o m i n a l
Ce l l Vo l t a g e
Re l a t i v e
Ca p a ci t y
Alkaline
1.5V
1.0
NiMH
1.2V
0.6
NiCD
1.2V
0.5
The unit requires t wo bat t eries of size AA, LR6 or E91.
TI P: For best result s, always use a qualit y brand of Alkaline bat t ery
and replace as soon as t he bat t eries becom e low ( see sect ion
2.5
) .
W A RN I N G: Do not m ix bat t eries of different t echnologies, or use
recharged alkaline bat t eries as t hese are prone t o overcharging and
leaking, which m ay cause perm anent unit dam age and m alfunct ion.
The bat t eries are fit t ed by unclipping t he bat t ery cover on t he back of
t he unit , and inser t ing bot h bat t eries wit h t heir posit ive t erm inals
point ing t owards t he t op of t he unit .
CA UTI ON : Take care not t o inser t t he bat t eries in t he wrong
direct ion, as t his m ay cause perm anent dam age t o t he unit ’s int ernal
elect ronics.
