Teledyne 2240 – Portable Handheld Hydrogen Leak Detector, 3rd generation (updated 1/31/11) - Manual (Page 28)

Handheld Hydrogen Leak Detector Model 2240
Teledyne Analytical Instruments Page 28 of 30
Table 1 - Verify Procedure
Step Display User response
1 Verify Sensor Press ENTER
2
Verify Sensor
Continue? Press ENTER to Verify
sensor, L to exit.
3
Verify Sensor
In Progress
Verify Test begins.
4
Apply
0.000%H2
Continue?
With the Calibration Cup that
accompanies the MODEL
2240, apply hydrogen-free,
ultra-zero air to the Probe
sensor. The Probe Tip LED
will remain Green. Press
ENTER.
5
Apply
0.000%H2
In Progress
0% Verify Test starts.
6
Apply
0.000%H2
Settle
Checking sensor
temperature.
7
Apply
0.000%H2
Wait xxxx
Wait for sensor reading to
stabilize until xxxx = 0.
8
Apply
0.000%H2
Finding
Average
Measuring sensor response
to test gas.
9
Apply
0.100%H2
Continue?
With the Calibration Cup,
apply 0.1% hydrogen 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.
10
Apply
0.100%H2
In Progress
0.1% Verify Test starts.