2. Important Safety Information 2-2. Warning information
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Handling the calibration gas
The calibration gas is nitrogen or toxic gas. Inhaling the gas may lead to loss of health or even death.
When using calibration gas, discharge outside, perform calibration in a well-ventilated area, or use local
ventilation equipment.
Calibration gas must be used by itself. Calibration can be performed with a gas mixture. However,
calibrations performed with a gas mixture will result in poor sensitivity and inaccurate concentration readings.
But, in the calibration of GW-3(CX), nitrogen and carbon monoxide can use not only itself but also the mixed
gases.
Sensor handling
Never disassemble the electrochemical type sensor inside the product.
Contact with the electrolyte inside the sensor may result in skin inflammation. Contact with eyes may result
in blindness. Contact with clothing may result in discoloration or holes. If contact with electrolyte occurs, rinse
the area immediately with plenty of water.
Do not use any gas other than nitrogen as the balance gas when calibrating or adjusting an oxygen sensor.
Miscellaneous
Do not dispose of the product into fire.
Do not wash the product, either in a washing machine or an ultrasonic cleaning machine.
Do not block the buzzer sound opening. Doing so will muffle or silence the audible warning.
Do not remove the batteries while the power is turned on.
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