YSI 2900D handleiding
Handleiding
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9-5
Figure 9-3
Immerse the waste modules in authorized disinfecting agent (see Section 9.1). After cleaning, rinse the modules for 3 to 5
minutes with authorized rinsing agent (see Section 9.1). Wipe dry with a lint-free tissue.
Remove the O-rings from the base plate. Clean up any salt deposits or fluid on the base plate. Be sure that the base plate
and all other parts are dry.
9.4.3 Enzyme Probe Cleaning
With normal use, enzyme sensors may become fouled and cease to operate normally. A fouled sensor’s output current
will decrease and calibration may become unstable. Follow the steps below to clean the probes.
9.4.3.1 Sensor Maintenance
It is necessary to maintenance the enzyme sensors when the PM kit is installed and periodically as needed.
1. Remove the enzyme Membrane and hold the probe with the electrodes facing up.
2. Wad a small portion of a lint free tissue and wet it with 70% isopropyl alcohol.
3. Using your thumb, press the alcohol soaked wad against the probe’s surface and rotate the probe back and forth.
4. Rinse the probe with authorized rinsing agent (see Section 9.1).
5. Install a new membrane on the probe (see Section 4.9.1), then install the probe in the sample module.
9.4.4 ISE Cleaning
Under normal use, it is not necessary to clean the ISE probes. However, if the probes become fouled or contaminated by
the sample composition, they may be cleaned as follows:
1. Soak the ISE with distilled or deionized water for 30 minutes.
2. Recondition the ISE by soaking it in YSI 2970 buffer solution for 4 hours.
9.4.5 Sipper Pump Seal Replacement
Replace the Sipper Pump seals every 6 months. Heavy usage may warrant more frequent replacement.
Disconnect the tubing from the Sipper Pump. Remove the two hex screws from the Sipper Pump head and remove it from
the instrument wall (see Figure 9-4).
Waste Module
Allen Screws
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Productinformatie
| Merk | YSI |
| Model | 2900D |
| Categorie | Niet gecategoriseerd |
| Taal | Nederlands |
| Grootte | 50780 MB |
