24
６－２．Gas calibration (Span adjustment)
ZERO key
PUMP key
HOLD KEY
SPAN GAS CH4
ESC key
ESC key
ENTER key
A D J ＞ －/＋
ENTER key
S P A N S E T O K
《SPAN cal OK》
F A I L S P A N
・This shall display gas name, gas density and unit.
(When press ESC key, it shall return to CH4
display.)
・Gas density shall blink.
・
Have cal gas sucked into instrument and unit the
reading gets stable.
・When the gas density differs, adjust to cal gas
valve by『＋』or『－』key.
・After adjusted to it, fax the span by pressing
ENTER key.
・
After span adjusted, proceed to the oxygen
display.
・ Hold and pressing ZERO and PUMP key
simittaneously in the operation mode.
・First, CH4 display shall be shown.
・ When press ENTER key, “CH4” gas
calibration shall start.
・When press『＋』key, it shall change to
gas calibration of「OXY」→「CO」→「CO
2
」.
・
When pressing ESC key, it shall return
to “Operation display”.
《SPAN cal fails》
＋
・
For gas calibration of O2, CO and CO2, make
the same operation.
・
After completion of calibration, go back to
the operation display by pressing “ESC
key”.
－
SPAN GAS OXY
After displaying for 5 sec,
proceed to the next display.
SPAN GAS CO
SPAN GAS CO2
＋
－
－
＋
