2. Important Safety Information 2-3. Caution information
17 / 79
Always replace the batteries with new batteries.
Note the polarity when inserting the batteries. If inserted with the wrong polarity, the screen for setting date and
time will appear the next time the power is turned on.
Do not use any batteries other than the types specified.
Be sure to replace the batteries in a safe place.
Storage
If the product will not be used for extended periods, store with the batteries removed. Battery leaks may result in
fire or injury.
*1 OX-04G: 30 minutes/OX-04, HS-04, CO-04, CO-04 (C-), CX-04, SC-04 (SO2): 10 minutes
*2 OX-04G, HS-04, CO-04, CO-04 (C-), SC-04 (SO2): 5 minutes/CX-04: 10 minutes/OX-04: Not applicable
CAUTION
Gas alarm activation
If the sensor has been exposed to high concentrations of gas (including the detection target gas or interference
gas), it may take several minutes, or even several hours, for the display readout to return to [0 ppm] ([20.9 %] for
oxygen). (For example, high concentrations of hydrogen, unsaturated hydrocarbons, alcohol, etc.)
OX CO HS C-
C
SO2 NO2 HCN