Calibration Handbook
112 Searchpoint Optima Plus
Span Gas
50 % LEL
Specify gas concentration value. Defaults are 50% LEL: for 2.5% methane or 50% UEG: for 2.2% methane.
Use ST to change displayed gas value in 1% steps to gas concentration used.
23. Press
; display shows
Press Enter when
Stable: XX.X
Fit gassing cover over weather protection of unit then apply span gas at one liter/minute and wait for
reading to stabilize approximately 30 sec to 1 min.
24. When gas reading stabilizes, press
; display shows
Processing Data
Please Wait . . .
25. If successful, after 10 seconds display shows
Span Calibrated
26. Wait for process to complete and display shows
Remove Gas, Press
Enter: XX.X
27. Remove gassing cover from weather protection. Ensure reading has returned to 00.0% LEL then press
; display shows
Press Enter to
Release 4-20
Releases analog output from 2mA (inhibit signal) to normal operation (4mA)
28. Press and hold
; for 3 sec, display shows
4-20 Released
Analog output is returned to normal operation
29. Aftrer the 4-20 inhibit is released, wait and display returns to Calibrate Menu. Press ESC twice to return
to Main Menu.
30. Turn off Handheld Interrogator by pressing ESC and
together.
To Next Page
Loading...
