RKI Instruments 65-2437RK-05 - Manual (Page 17)

65-2437RK-05 CO Detector • 13
3. When the directions call for exposing the detector to gas, turn the regulator’s on/off
knob counterclockwise to open it.
4. Allow gas to flow for 2 minutes.
5. Set the response reading according to the controller operator’s manual.
6. After setting the response reading, turn the regulator’s on/off knob clockwise to close
it.
7. Unscrew the regulator from the cylinder.
8. Remove the calibration cup from the detector.
NOTE: For convenience, leave regulator and calibration cup connected by the sample
tubing.
9. Allow about 45 seconds for the gas reading to decrease below the alarm points and
then return the controller to normal operation.
NOTE : If you do not allow the gas reading to decrease below the alarm points, then
unwanted alarms may occur.
10. Verify that the controller display reading decreases and stabilizes at 0 ppm CO.
11. Store the components of the calibration kit in a safe and convenient place.