Hanna Instruments hi 98309 Manuale Utente

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SPECIFICATIONS:
RANGE
0.000   1.999 µS/cm
RESOLUTION
0.001 µS/cm
ACCURACY 
(@20°C/68°F)
±2% f.s.
TYPICAL EMC DEVIATION ±0.5% f.s.
ENVIRONMENT
0 to 50 C (32 to 122 F);
95% RH not condensing
BATTERY TYPE
 4 x 1.5V alkaline (included)
BATTERY LIFE
approx. 120 hours
of continuous use
DIMENSIONS
175 x 41 x 23 mm
(7.9 x 1.8 x 1")
WEIGHT
78 g (2.7 oz.)
IS98309-R4       07/01
ELECTRODE REPLACEMENT:
The electrode is built-in inside the plastic casing and
can be easily replaced in the following way:
• Slide off the battery cover.
• Remove the screw on the back of the UPW
UPW
UPW
UPW
UPW
located below the battery compartment and slide
off the whole internal part of the tester.
• Replace the built-in electrode with a new
HI73309.
• Before reinserting the internal circuit into the
new plastic casing, make sure the O-rings (2)
of the metal tube (3) are properly seated (see
drawing).
To avoid bending the connections to the con-
ductivity sensors (1), do not apply excessive
force while inserting the circuit. In case of any
problem, reslide and reinsert it.
Internal circuit:
ACCESSORIES:
HI 73309
Spare electrode
HI 731326
Calibration screwdriver (20 pcs)
• Fasten the screw on the back, below the
battery compartment.
• Reinsert the battery compartment cover.
UPW
HI98309
Ultra Pure Water Tester