Teledyne 2240 - Portable Handheld Hydrogen Leak Detector, 3rd generation (revision 2/29/08) - Manual (Page 30)

Field Verify/Calibration Model 2240
Teledyne Analytical Instruments 20
Step Display User response
15
Apply 0.100%H2
Are you sure?
With the Calibration Cup, apply 0.1% hydrogen
(balance air) to the Probe sensor. The Probe Tip
LED will change from Green to Red. One (or two)
yellow LEDs in the LED Bar Graph Array will turn
on. Press ENTER.
16
Apply 0.100%H2
In Progress
0.1% Calibration starts.
17
Apply 0.100%H2
Settle
Checking sensor temperature.
18
Apply 0.100%H2
Wait xxxx
Wait for sensor reading to stabilize until xxxx = 0.
19
Apply 0.100%H2
Finding Average
Measuring sensor response to test gas.
20
Apply 2.000%H2
Are you sure?
With the Calibration Cup, apply 2.0% hydrogen
(balance air) to the Probe sensor. The Probe Tip
LED will remain Red. Three yellow LEDs in the LED
Bar Graph Array will turn on. Press ENTER.
21
Apply 2.000%H2
In Progress
2.0% Calibration starts.
22
Apply 2.000%H2
Settle
Checking sensor temperature.
23
Apply 2.000%H2
Wait xxxx
Wait for sensor reading to stabilize until xxxx = 0.
24
Apply 2.000%H2
Finding Average
Measuring sensor response to test gas.
25
Calibrate Sensor
Done
Calibration is complete. Press ENTER.
26
Field Calibrate
XX/XX/XX
Press ▼
27 Exit Press ▼
28 Information Disp Press ▼
29
Reset Sensor
Carry out the Reset function to speed the recovery
from hydrogen. Press ENTER.