Thermo Fisher Scientific pHScan BNC - Manual

Microprocessor based
pH Tester that floats!
68X247780 11/01 Rev 0
Open this booklet for calibration/testing/
maintenance instructions.
Changing Batteries:
1. Open battery compar tment lid (with
attached lanyard
loop).
2. Remove old
batteries; replace
with fresh ones.
Note polarity
(shown in battery)
compartment and in picture at right).
3. Recalibrate tester after battery change.
Error Messages:
bAT Weak batteries – replace
Er1 Wrong or bad buffer value, or electrode
is failing.
Or, Ur Over range / under range signal, or
electrode is failing.
Warranty:
The waterproof pHScan BNC is warranted
against defects in materials and workmanship
for a period of 24 months from the date
of purchase. If repair, adjustment or
replacement is necessary and has not been
the result of abuse or misuse within the
warranty period, please return the tester –
freight pre-paid – and correction will be made
without charge. Out of warranty products will
be repaired on a charge basis.
Return of Items:
Authorization must be obtained from your
Distributor before returning items for any
reason. When applying for authorization,
please include information regarding the
reason the item(s) are to be returned. Note:
We reserve the right to make improvements
in design, construction and appearance of
products without notice. Prices are subject to
change without notice.
keypad
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