10 | P a g e
IMR IX 176
IMR ENVIRONMENTAL EQUIPMENT, INC.
When alarming continuously, you can press
to turn off the audible alarm and vibration, while the
and
are flashing.
To check the device status, Press
and
, the LCD will
display Temperature, time, STEL & TWA levels
①
, maxium level and
minimum leve
l②
.
Note:
①
It is only available for toxic gases.
②
Only O2 sensor has maximum and minimum level.
Automatic zero calibration
In the clean air, if the detecting value is not 0, choose this function to
make the zero calibration. In the mode of detection, press both
and
for 1 second,
when i
t displays “please input password’, then release the two buttons. After that input
the password to calibrate the zero point. The detector will display the following
information in turns:
Note:
It is calibrated the concentration of oxygen in clean air for O2
sensor, that is 20.9%VOL.
Warning:
This operation should be carried out in the clean air.
Otherwise the accuracy of the detector will be affected differently according to the
different gas concentration in the air.
4.
CALIBRATION AND ALARM LEVELS ADJUSTMENTS
If you need to re-calibrate the detector or adjust the alarm levels, please follow the following steps:
Enter into the calibration and alarming level adjustment mode: When the device is close,
press amd and hold for 5 seconds, the detector begins self-test. If the self-test passes,
then after a short time,it indicates inputing the password as showed in the following
chart:
