Teledyne 2240 - Portable Handheld Hydrogen Leak Detector, 3rd generation (revision 2/29/08) - Manual (Page 27)

Handheld Hydrogen Leak Detector Field Verify/Calibration
Teledyne Analytical Instruments 17
Step Display User Response
16
Apply 0.100% H2
Settle
Checking sensor temperature.
17
Apply 0.100% H2
Wait xxxx
Wait for sensor reading to stabilize, until xxxx = 0.
18
Apply 0.100% H2
Finding Average
Measuring sensor response to test gas.
19
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.
20
Apply 2.00% H2
In Progress
2.00% Verify Test starts
21
Apply 2.00% H2
Settle
Checking sensor temperature.
22
Apply 2.00% H2
Wait xxxx
Wait for sensor reading to stabilize, until xxxx = 0.
23
Apply 2.00% H2
Finding Average
Measuring sensor response to test gas.
24
Enter Date:
1.0000 M Enter the current month (1-12) using the▲ (up arrow)
and▼ (down arrow) keys.
25
Enter Date:
1.0000 D Enter the current day (1-31) using the▲ (up arrow)
and▼ (down arrow) keys.
26
Enter Date:
6.0000 Y Enter the current year (7=2007, 12=2012, etc.)
using the▲ (up arrow) and▼ (down arrow) keys.
27
Verify Sensor
Passed
Verify is complete, press any key.
Note the following:
1. If the unit passes verification, calibration is not required at this
time. The Verify Function stops at this point.
2. If the unit fails verification, TAI recommends calibration.
Continue with the following steps.