Справочник Пользователя для Sierra Monitor Corporation 4501-05
Model 4501-XX Toxic Gas Sensor Module
6.3 DIAGNOSTICS SUB-MENU
Function
Display
Description
Reference
M
E
S T
M
M
E
S T
M
E
S T
M
E
S T
M
E
S T
M E
S
S
T
M
E
S T
M
E
S T
Table 6-1
Calibration Sub-Menu
Sub-Routine A - Abort Calibration
H2S
XXX PPM
Default Display
H2S
CAL-FAIL
Calibration Failed
Sub-Routine C - Calibration Fail
Enter
READ
MANUAL
Operation: Remove gas from sensor read manual, particularly section 6.3 and
7.6, to check calibration procedures.
7.6, to check calibration procedures.
H2S
CAL-OK
Calibration successful
Mode
CALIB
ABORTED
Operation: Hold magnet over [M] for 10 seconds to abort calibration
Sub-Routine B - Select Span
25PPM SPAN
Banner: [S] or [T] to change span value, [E] when done
Down
C##PPM
Banner: Apply xx-PPM gas, [E] when stable
Should be stable after 3
minutes of gas exposure
minutes of gas exposure
Enter
H2S
REMOVE GAS
Operation: Remove gas from sensor
If calibration failed, then
Sub-Routine C
Sub-Routine C
Enter
H2S
CAL-OK
Banner: Remove gas from sensor
Sub-Routine C
ZERO
DONE
Zero gas setting completed (Message will appear on the screen and after 3
seconds will go to the next menu - 25PPM Span)
seconds will go to the next menu - 25PPM Span)
Operation: Confirm area clear of gas, or apply zero air to sensor.
Enter
CAL 0 PPM
Banner: Apply zero gas, [E] when done
or Sub-Routine A
Key
Mode
H2S
CALIB:
Default Display (example 4501-05)
XXPPM
Banner: [S] or [T] to change span value, [E] when done
Sub-Routine B
Enter
Cal0PPM
Wait.XXX
There is a minimum time to calibrate at 0PPM. If [E] is hit prior to this time
has elapsed, a countdown screen will appear.
has elapsed, a countdown screen will appear.
H2S
WAIT-148
Operation: 148 second time out before sensor is returned to service.
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