RKI Instruments GX-2012 Manual - Manual (Page 180)

172 • Bump Testing GX-2012 Operator’s Manual
From Measuring Mode, enter Calibration Mode by pressing and holding the
(SHIFT)T button, then pressing the DISPLAY(ADJ) button and releasing
both. If the unit prompts you for the password, enter it by using the AIRS
and (SHIFT)T buttons to select each password number and then pressing
and releasing POWER ENTER to confirm it and move on to the next number.
To go back a number, press and release the RESET SILENCE button. The
factory set password is the same as the factory set password for Maintenance
Mode: 2102. You can change the password by entering the PASSWORD
menu item in Maintenance Mode. See “Turning the Password Function On or
Off” on page 141. If you enter an incorrect password, an error screen will
display.
To return to normal operation, press and release the RESET SILENCE
button. You may then try to reenter Calibration Mode.
MAINTENANCE will appear along the top of the screen once you have
entered Calibration Mode. The first item in the calibration menu, AIR CAL,
displays.
1. Slide the tubing clamp onto the tubing and connect the tubing onto the
sample bag’s inlet. Leave the clamp unclamped for now.
2. Connect the other end of the tubing to the regulator’s or dispensing
valve’s hose barb fitting.
3. Fill the gas collection bag by screwing the fixed flow regulator onto the
calibration cylinder or by screwing the dispensing valve onto the
calibration cylinder and turning the knob counterclockwise.
NOTE: If the regulator has no on/off knob, then gas will begin to flow at 0.5
LPM as soon as the regulator is connected to the cylinder.
4. Allow the gas to dispense until the gas collection bag is a little over half
full.
5. If a fixed flow regulator without a knob is used, disconnect it from the
cylinder and immediately clamp down the hose clamp to prevent the
release of gas from the gas collection bag. If a fixed flow regulator with a
knob or a dispensing valve is used, turn the knob clockwise to stop the
Err
PASSWORD