RKI Instruments RX-517 - Manual (Page 11)

PT0E-0730
10
３−４．Flow monitor check
When the power gets ON, the pump shall start operation check that suction works properly by
filter tube with flow monitor.
At normal sucking（Can see float）
Not sucking（Can not see float）
３−５．Zero point adjustment
Zero point calibration for this instrument shall be done HC, O2(Oxygen), H2S(Hydrogen
sulfide).
Float
Caution
When make zero adjustment, proceed to do it after having fresh air sucked into instrument
for over 1 min. When make zero adjustment through the suction of gas present atmosphere,
the correct measurement can not be done and it may lead to the accident.