Hach BODTrak II, Руководство пользователя

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Test Run to Completion
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6.4 Print test results
The BODTrak II is applicable to use with the Citizen PD-24 printer.
1. Connect the printer cable to the serial I/O port on the instrument. Use
the gender adapter supplied with the printer to make the connection.
Make sure that the printer settings are correct (
Connect the RS232
interface on page 6).
2. Power on the instrument.
3. Push and hold the applicable channel number for approximately
5 seconds at any time during a test.
The test results move from the instrument to the printer. The
instrument sends a copy of the graphical display and a truncated
data stream (127 data points).
Section 7 BODTrak II
™
procedures
C A U T I O N
Chemical exposure hazard. Obey laboratory safety
procedures and wear all of the personal protective
equipment appropriate to the chemicals that are handled.
Refer to the current safety data sheets (MSDS/SDS) for
safety protocols.
C A U T I O N
Chemical exposure hazard. Dispose of chemicals and
wastes in accordance with local, regional and national
regulations.
7.1 Procedure notes
There are two procedure variations. Select the procedure that meets the
application requirements.
• The Simplified procedure is recommended when sample seeding,
extra nutrients or buffers are not necessary. It is also recommended
when accuracy requirements are not stringent.
• The Hach Standard Method procedure is recommended when
samples are seeded or extra nutrients or reagents are added. Use this
procedure for the Standard Methods for the Examination of Water and
Wastewater, 21st Edition, Method 5219 D Respirometric Method.
After any of the procedure variations, do the completion steps. Refer to
Completion steps for all procedures on page 12. It is possible to use a
combination of these procedures with one instrument but in different
bottles. Only one test length can be chosen.
Before the test:
English 9