It will take between 45 and 135 seconds to complete
calibration.
1 Display alternates between word SEt and measured
value 21.
●
Push climate sensor back into position within one
minute, or sensor alarm will occur.
2 Set value 21 flashes in display.
3 Press
P
or
p
key briefly, to confirm set value.
Or
3 press
P
or
p
key until set value required (21 to
40 vol.% O
2
) has been set.
1 Display of measured O
2
concentration.
Controlling oxygen at over 40 vol.% O
2
4 Press
4
key.
5 Yellow control LED >40 % is lit.
Range of set values has been extended to 75 vol.% O
2
.
6 Press
P
or
p
key until set value required is
displayed.
Value must be set within one minute or the extended set
value range will be cancelled.
If value is re-set below 40 vol.% O
2
, the extended range
of set values is automatically cancelled.
Alarms
When deviations are greater than
±
5 % between set
value and measured value for O
2
concentration:
7 Red Alarm LED and
8 red
±
5 vol.% LED flash,
9 display flashes and intermittent tone commences.
The intermittent tone can be suppressed for 10 minutes:
10 Press
G
key.
11 Yellow
g
LED and
7 red Alarm are lit.
When measured value is within
±
5 vol.% again:
●
±
5 vol.% and Alarm LED go out.
●
Yellow
g
LED goes out.
The intermittent tone ceases.
Operation
Using oxygen control
32
Cal.
21%
Control
>40%
Vol.%
O
2
VOL.%O
2
Vol.%O
2
1
2
3
3
Cal.
21%
Control
>40%
Vol.%
O
2
VOL.%O
2
Vol.%O
2
5
4
6
6
Check
Cal.
21%
Control
>40%
Vol.%
O
2
Vol.%O
2
7
9
1 1
1 0
8