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2. Supplying the calibration gas
3. Stopping supplying the calibration gas
A-6
Take the following steps to supply the calibration gas.
(1) Mount an OX100 Series sensor to the needle valve assembly by inserting 70 to 80
mm of the sensor and screwing down the locknut firmly with fingers. The locknut
should be finger tight only and do not use a wrench for tightening.
(2) Turn the pressure regulating handle of the needle valve assembly's regulator counter-
clockwise completely.
(3) Turn the handle of the needle valve clockwise until it can no longer turn so that the
needle tip pokes into the gas cylinder (See Figure 3).
(4) Turn the handle of the needle valve counterclockwise to the position shown in Figure
1.
(5) Turn the pressure regulating handle of the regulator gradually in a clockwise direc-
tion to set the pressure at approximately 0.05 MPa. This allows the calibration gas
to be supplied to the sensor for calibration.
Figure 3
Take the following steps to stop supplying the calibration gas.
(1) Turn the handle of the needle valve clockwise until it meets resistance.
(2) Turn the pressure regulating handle of the regulator counterclockwise completely.
AP201E-2.eps
IM 11M10A01-03E
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