2)
Must use stainless steel for the calibration valve material to prevent absorbing the gas.
3)
The tube used for calibration must be dry, can’ t be moist, this can
absorbing to the gas.
4)
For the first time calibration, the device must be energized for 24h to wait until the
sensor is stable, if start the calibration when the sensor is not stable, then the display
concentration will appear negative drift after the calibration.
5)
For the gain calibration time, the default value of Ethylene oxide and Chloroethylene is
180s, and the default value of Methanol is 300s. If the calibration time is reduced,
then
the calibration is inaccuracy since the gas concentration is not stable when calibration.
Only order the electrochemical sensors for immediate replacement.
Storage temperature range is (20±5)℃。Please handle the
sensors in accordance with the professional requirements.
The DF-
8500 package contains the standard installation accessories such as the
sensor guard, mounting plates, clamps, screws and washers, and quick start guides.
7.1
Sensor Guard
The sensor guard must be installed at all times except when an airflow adapter or
conduit installation kit is used. Ambient weather condition can affect the gas mixture
inside of the sensor guard. Use the sensor guard for functionality tests only. The
calibration cap is recommended for sensor calibration.
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