9.5.2
Performing a manual SPAN test
Submenu item "SPAN Test" serves to perform the zero adjust and the sensitivity tests
NOTICE
The SPAN test must be performed in a "Zero Path" duct
.
Zero Path: Duct with a CO concentration = 0.
•
The adjust process for the SPAN test is started when the prompt "Are you sure
to start adjust procedure" is confirmed with "Enter". Making entries during the
process or aborting are not possible.
•
The adjust first starts when the device temperature stabilizes at 60 °C (± 0.5 °C).
Warming up time depending on ambient conditions; 30 - 60 minutes.
•
Press "Enter" to save the data when the zero adjust has completed.
•
The temperature is set to the standard value. Enter the current ambient tempera‐
ture.
•
Compare the measured value displayed for CO with that on the test cell (setpoint
value). Correct deviations:
b
The SPAN value to be set = measured value displayed: Nominal value.
b
Enter the SPAN value under menu item par/calibration.
back
Calibration
back
Start:Enter
back
back
SPAN Test
SPAN Test
SPAN Test
SPAN Test
Zero Adjust
Are you sure to
start adjust procedure?
Parameters
back
SPAN Test
Span Test
EPA Span Test
edit: Enter
Please wait!
..................
Please wait
Amplifier Values
Amp1: 0 Amp2: 6
..................
cal
Temperature: 25° C
CO: xxxx ppm x m
Temperature: 25° C
select
+
back
SPAN Test
Temperature: 24° C
select
back
Parameters
back
SPAN Test
edit: Enter
Temperature: 24° C
CO: xxxx ppm x m
Figure 57: Performing a manual SPAN test
MENUS
9
8008932/16YT/V4-0/2022-02 | SICK
O P E R A T I N G I N S T R U C T I O N S | GM901-02
71
Subject to change without notice