YSI 2900D handleiding
Handleiding
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9-2
After installation, [Prime] the Calibrator. If you are calibrating from a test tube, evaporation is a major concern. Calibrating
with calibrator that has experienced any significant evaporation will cause inaccurate test results. Consider changing
calibrator daily, or more often, if required.
9.2.3 Check the Buffer Bottle(s)
Replace the buffer if the bottle is low or the buffer has been in the instrument longer than 1 week. Clean the buffer bottle
and cap with an authorized cleaning solution (see Section 9.1), then rinse well with authorized rinsing agent (see Section
9.1) before installing fresh buffer. You may find it convenient to make more than one liter of buffer at a time, in order to
have it on hand to replenish the buffer bottle. Prepare the buffer in a clean bottle with cap and store any excess at room
temperature.
After a buffer change, [Prime] the buffer system. Buffer should be exiting the Sipper inside the sample module and
overflowing to waste. You may need to initiate a second or third run of the buffer pump to complete the priming process.
9.2.4 Check for Leaks
Examine the instrument for leaks. These are caused either by loose connections or worn tubing.
9.2.5 Clean up Spills
Spills should be cleaned up promptly to prevent biohazard build-up and corrosion. Clean any spills of biological material
from the sample area.
9.2.6 Daily Operational Checks
To verify proper instrument performance, perform the daily operational checks described in Section 5.1.1 Enzyme
Membrane Integrity Test and 5.1.2 Linearity Test.
Monthly Maintenance
9.3.1 Calibration Pumping System Maintenance
Perform this procedure at least once a month to minimize the possibility of contamination. Depending on application and
use, more frequent cleaning may be required. The most convenient time to perform this maintenance is before installation
of a new bottle of calibration standard.
Prepare about 100 mL of one of the authorized cleaning solutions (see Section 9.1) and place this solution in a clean
calibrator bottle. Install the bottle in the calibrator bottle position(s) you use.
From the Service screen, Pumps tab, touch [Off] to turn on the pump for the calibrator bottle position to flush the cleaning
solution through the pump tubing and calibrator well and to the waste bottle. After 3 minutes, touch [On] to turn the pump
off. Wait 7 minutes.
Remove and discard the authorized cleaning solution, then rinse the bottle thoroughly with authorized rinsing agent (see
Section 9.1). Next, add authorized rinsing agent to the bottle, reinstall the Cal bottle inside the bottle tray.
From the Service screen, Pumps tab, touch [Off] to prime the calibrator for 3 to 5 minutes to rinse the tubing and cal well.
After 3 to 5 minutes, touch [On] to turn the pump off.
Remove the Cal Cap Assembly. From the Service screen, Pumps tab, touch [Off] to flush the line with air. After 1 minute,
touch [On] to turn the pump off. Wipe the cal cap and steel tubes with a clean laboratory tissue.
Install a new bottle of calibration standard and mark the installation date on the bottle.
From the Service screen, Pumps tab, touch [Off] to prime the fresh calibrator through the tubing and cal well. After 2
minutes, touch [On] to turn the pump off.
Repeat this entire procedure for any additional calibrator bottle positions that you use.
9.3.2 Buffer Pumping System Maintenance
Perform this procedure at least once a month to minimize the possibility of contamination. Depending on application and
use, more frequent cleaning may be required. The most convenient time to perform this maintenance is before installation
of a new bottle of buffer.
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Productinformatie
| Merk | YSI |
| Model | 2900D |
| Categorie | Niet gecategoriseerd |
| Taal | Nederlands |
| Grootte | 50780 MB |
