HD37AB1347
- 40 -
V3.0
•
Wait about 15 minutes before continuing.
•
Supply the gas adjusting the bottle flow meter to get a constant flow from 0.1
to 0.2 l/min.
•
Press ENTER and wait the two minutes necessary for calibration without
changing the working conditions.
•
At the end, close the bottle spigot and remove the cap from the CO sensor.
•
Insert the protection grid.
Replacement of the CO sensor:
In normal usage conditions, the CO sensor has an average life longer than 5 years. If
you need to replace the CO sensor, order a new sensor.
To replace the CO sensor, follow this procedure:
1.
Switch the instrument off.
2.
On the probe, open the
sensor-holder small door
using a screwdriver and
extract the exhausted CO
sensor.
3.
Take a new CO sensor and
note down the number
printed on the edge that
indicates its nA/ppm
sensitivity.
4.
Insert the new sensor
electrodes in the terminals.
5.
Turn the instrument on and
wait for at least 5 minutes so
as to stabilize the
measurement.
6.
Use the arrows
▼▲
to select the
2) Calibration CO
item:
PROBE CALIBRATION
1) Calibration CO
2
2) Calibration CO
3) Calibration RH
▼▲
select
<ESC> exit/cancel
<ENTER> confirm
