58 Agilent 7890B Installation
1 Installing the GC
Step 13. Calibrate the Hydrogen Sensor
If present, calibrate the hydrogen sensor now. Otherwise, skip
to the next step.
1 Open the GC oven door and connect a flow meter tube to the
sensor tube in the oven.
2 Press [Options] then go to Calibration > Hydrogen Sensor and
press [Enter].
3 Scroll to Start Calibration Cycle? and press [On/Yes]. The
calibration cycle begins. The hydrogen sensor module will
wait to stabilize, then will begin to send calibration gas
across the sensor.
4 While continuing to measure the flow rate from the tube,
adjust the pressure regulator on the calibration gas cylinder
until the flow rate is approximately 30 mL/min. Remove the
flow meter and close the oven door.
After setting the flow, continue with installation while the
calibration completes. (Calibration takes about 5 minutes total
time). Hydrogen sensor calibration will not interfere with any
other steps.
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meter to the
hydrogen sensor
tube next to the
oven heater shroud
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