8.1
Sample Cell Cleanliness Check
The SP-380 is designed to provide reliable and accurate measurement on PTSA and Fluorescein. Heavy
fouling will prevent the light from reaching the sensor, resulting in inaccurate readings. It is suggested
that the SP-380 be checked for fouling and cleaned on a monthly basis. Heavily contaminated waters may
require more frequent cleanings. Cleaner water sources with less contamination may not require cleaning
for several months. The SP-380 is designed to carry out a Cleanliness Check as described below:
1. Power on the SP-380 by pressing
.
2. Press
Info
(
) to launch the
DEVICE INFORMATION
screen.
3. Press
Diagnosis
(
) to launch the
SYSTEM DIAGNOSIS
screen.
4. Allow 5–10 seconds for the message in the top-right corner of the display change from
Starting BTLE...
to
BTLE Started
5. Press
Cleanliness
(
). An instruction prompt appears to ask the user to put DI water into the main
module sample cell (Figure 14).
6. Pour DI water into the main module sample cell.
7. Press
Confirm
(
,
, or
). The instruction prompt will disappear and the SP-380 displays a
countdown toward the bottom of the display.
8. Once the Cleanliness Check is completed a
Clean
message (Figure 15) or
Sample cell fouled
mes-
sage (Figure 16) will appear towards the bottom of the display.
9. Cleanliness check is now complete. Press
Exit
(
) to return to measurement mode.
Figure 14.
Figure 15.
Figure 16.
SP-380 User Manual
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Содержание SP-380
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