7.4.8
Performing sensitivity validation or adjustment
Procedure
1.
Press “Menu”.
2.
Select menu “3 Adjustments”.
3.
Select the measuring component to be calibrated.
4.
Connect the test gas cylinder to the valve block with 2.5 ... 3 bar.
5.
Select menu “6 Reference point adjustment” and confirm with “Enter”.
✓
Window opens with prompt “Automatic?”.
6.
Press the “Enter” button to confirm.
✓
Window opens with prompt “Automatic?”.
7.
Press the “Enter” button to confirm.
✓
Reference point adjustment starts. .
8.
Set the flow on the flow reducer to approx. 100 l/h. Read off the flow rate on the
flow meter at the same time.
7.4.9
Performing sensitivity validation or adjustment with SOPAS ET
Prerequisites
•
SOPAS ET is connected to the measuring device.
Procedure
1.
Open the BCU module with a double-click.
2.
Open the “Manual adjust” menu under “Maintenance”.
3.
Select the appropriate test gas using the arrow keys.
4.
Use the lower arrow keys to select the “Adjust reference point” function.
5.
Check the test gas concentration.
6.
Connect the test gas cylinder to the valve block with 2.5 ... 3 bar.
7.
Click “Save”.
✓
The valve block releases the test gas for sensitivity validation or adjustment.
8.
Set the flow on the flow reducer to approx. 100 l/h. Read off the flow rate on the
flow meter.
✓
Current measured value displays the sample gas concentration of the test gas.
7.4.10
Programming automatic adjustment and validation
Overview
Automatic validation and adjustment is not set up by default.
Procedure
1.
Press “Menu”.
2.
Select menu 3 “Adjustment”.
3.
Select menu “5 Settings”.
4.
Select menu “2 Automatic”.
5.
Select the appropriate component.
6.
Select “1 Active”.
7.
Selecting “On” activates automatic validation and adjustment.
8.
Select menu “2 Interval”.
9.
Set the interval frequency using the arrow keys and confirm with “Save”.
10. Select menu “3 Time unit”.
11. Repeat selection (every hour, day, week).
12. Select menu “4 Start date”.
13. Use the arrow keys to set the date for val. / adj. and confirm with “Save”.
14. Use the arrow keys to set the time for the first automatic val. / adj. and confirm
with “Save”.
COMMISSIONING
7
8021339/1CHC/V1-1/2021-07 | SICK
O P E R A T I N G I N S T R U C T I O N S | MARSIC280
53
Subject to change without notice
