Teledyne 2240 - Portable Handheld Hydrogen Leak Detector, 3rd generation (revision 2/29/08) - Manual (Page 31)

Handheld Hydrogen Leak Detector Field Verify/Calibration
Teledyne Analytical Instruments 21
Step Display User response
30
Reset Sensor
Are you sure?
With the Calibration Cup, apply hydrogen-free, ultra-
zero air to the Probe sensor. Wait for the LED Bar
Graph array in the Probe to show only one (or zero)
yellow LEDs. Press ENTER.
31
Reset Sensor
In Progress
During Reset, the Probe Tip LED will be orange.
32
Reset Sensor
Done
Press ENTER
33 Reset Sensor Press ▼
34
Zero Sensor
Press ▼
35
Field Calibrate
XX/XX/XX
Press ENTER or ►
36 Verify Sensor
With a successful calibration, TAI recommends that
the user run the Verify Test. Press ENTER. Go
back to Section 3.4, Step 7.
If a “Calibrate Sensor Error” message appears, continue with the
steps below:
Step Display User response
37
Calibrate Sensor
Error
Calibration failed. With the Calibration Cup, apply
hydrogen-free, ultra-zero air to the Probe sensor.
Wait for the LED Bar Graph array to show only one
(or zero) yellow LEDs. Press ENTER.
38
Field Calibrate
XX/XX/XX
Press ▼
39 Exit Press ▼
40 Information Disp. Press ▼
41
Reset Sensor
Carry out the Reset function to speed the recovery
from hydrogen exposure. Press ENTER.
42
Reset Sensor
Are you sure?
Press ENTER
43
Reset Sensor
In Progress
During Reset, the Probe Tip LED will be orange.