GAS CHECK (SPAN Calibration): Enter passcode 1111. Enter the value of CAL
calibration CO gas concentration you will expose. Expose to CAL air for 2 minutes
using certified gas. For O2, simply expose the detector to fresh air, having
20.9% of O2. For CO gas, maintain a flow of about 0.5L/min when using CO gas
bottles and use the sensor cap provided to deliver the gas to the detector. Save
to register reading. If you are mostly concerned with low level CO detection, we
advise to calibrate using 100ppm. If you undertake detection with the full CO
spectrum range (0-1000ppm) we advise to use 500ppm CO calibration gas.
Please note if O2 sensor wanders from 20.9% in a range ±0.4% it is normal.
ALARM RECORD: Shows the time-stamped history of alarm activation.
LOW ALARM: Low Alarm point setting. Follow screen instructions. Move cursor
and adjust alarm levels.
HIGH ALARM: High Alarm point setting. Follow screen instructions. Move cursor
and adjust alarm levels.
TIME SET: Follow screen instructions. Move cursor and adjust time digits as
desired.
ESC: Exits menu options and back to normal operation.
HELPFUL TIPS:
- Analyzer alarms are used predominantly for ambient measurement. They are
not commonly used for combustion analysis. If the analyzer is used for
combustion analysis, the alarms can be set maximum range to prevent
alarming, otherwise simply ignore the LED alarm flash.
- We deliberately made this analyzer easy to use with only “BASIC” features for
a non-complex user experience.
- When the detector reads changing CO or O2 concentration it maintains the
backlight ON.
- COAF and EA are only displayed if the O2 reading is less than 20%.
- Do not use this detector for life threatening CO or O2 air quality alarming
since the detector does NOT have audible or vibration alarming.
- To use the detector as an ambient air quality detector, simply remove the
sensor cap and measure ambient levels without the pump/probe assembly.
Otherwise keep the sensor cap ON, connect the hose and pump assembly
and detect ambient air as normal, just like a combustion analysis.
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