15
４－１ Replacing battery
Replace all 4 batteries with new one according to following procedure.
(1)
Confirm the battery is run down.
Power off, in case of power on.
(2)
Remove the instrument from carrying case.
(3)
Slide the battery cover with pushing softly.
(4)
Remove old batteries 4 pcs, and install new one taking care of direction.
・
Specified battery must be used.
・
It is easy to remove the battery from positive (+) side, install the
battery from negative (-) side.
(5)
After replacing battery, be as before.
４－２ Zero calibration
In order to keep the quality of this instrument, zero calibration must be done before start
measuring.
"Absorption tube" is required for zero calibration. Following two methods are available
for zero calibration.
In order to make calibration more accurately, ② is better.
① Using absorption tube (with absorbent agent)
② Using zero gas with sampling bag
Zero gas and gas sampling bag are optional accessories.
４．Maintenance
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Note
