4 - The last action is
to
push the Sensor Flow Adapter into the Oxygen Sensor
to
commence sampling
th
e gas.
After approx
im
ately
45
seconds the Analyser display will stabilise
and
indicate
th
e percentage
of
Oxygen in the
gas. Accuracy can be confirmed by removing the Sensor Flow Adapter from the Sensor and allow approximately
another 45 seconds for the analyser to return
to
th
e original calibration setting
+-
0.I%.
(remember
to u
se
exactly the sa
me
conditions used to obtain
the
original calibration)
5 - Replace the Sensor sealing cap when not analysing. Leave the unit switched on and observe the display which
will start
to
increase
as
the cap creates a seal. Cease tightening when the display has increased. DO NOT over
tighten the cap as this is not required and a poor seal may result
ifthe
internal 'O' ring
is
co
ll
apsed.
6 - Switch
off
the analyser
by
pressing the on/offswitch.
Battery
Replacement
A low battery
is
indicated
by
the display showing a battery symbol at the left hand top corner
of
the display
Remove the 4 x screws that secure the rear cover and remove the cover. The battery will been seen in the lower part
of
the case. The battery is a 9 vo
lt
PP3(MN1604) type and
it
is recommended that
an
alkaline type is used.
The easiest way
to
replace the cover is
to
position the sealing correctly on to the cover, then invert the analyser case
onto the cover, and then turn the unit over and replace the screws. Take care not
to
over tighten the screws
as
the
aluminium case
is
quite soft.
Se
nsor
Replace
ment
The Sensor will require replacement one day. The replacement Sensor should
be
obtained from the store that
supplied the analyser. This can easily be fitted into the unit
by
fo
ll
owing the
in
structions supplied with each
replacement Sensor. To ensure continued accuracy, it
is
essential
to
fit
an original Alpha- I replacement Sensor.
Warranty
Terms
The Sensor
is
covered by a l year warranty and the Analyser is covered by a 2 year warranty commencing from
date
of
purchase. Please be sure
to
retain your receipt as this serves
as
the warranty document.
Exclusions from
Warranty
Th
e following are not included
in
the warranty period
s:
-Sensor over pressure damage. Providing that the Operating Instructions are followed correctly
This
ca
n not
occur.
-Mechanical damage
to
the Analyser and fittings and
th
e Sensor gas input port membrane
-
Lngress
of
water into the Analyser resulting from
an
incorrectly fitted or damaged rear cover sealing gasket.
-Ingress
of
water into the Analyser
ifthe
IP
65
rating has been exceeded.
-Loss
of
fittings, hoses etc.
Removal or defacement
of
the Sensor
id
entification label w
ill
invalidate the Sensor Warranty.
Specifications
Range
Li
nea
ri
ty
Sensor Resolution
Sensor L
if
e
Se
nsor Response to
Ta
rget (T)
Working Temperature Range
Storage Temperature Range
Disp
la
y
Calibration
Environmental Seal
Battery
Weight
Sensor Replacement
Support Telephone Number
0-100% Oxygen
Linear through out ran
ge
0.1% (see below)
2 Years + (average diver use)
>
50
seconds
0
to
+50 degrees Cel
si
us
-20
to
+
50
degrees Cels
iu
s
3.5 digit LCD
IOmm
character height
Manual
to
ambient Dry, Fresh a
ir
to 20.9% for
EAN
's up
to
60%.
Above 60% sampling, calibrati
on
to
10
0% Oxygen.
IP65 -Sprayed jets
of
water
PP3 (MN 1640) Alkaline
420 grams
By
end user or dive store
+44(0)
148
9878055
