Hach BODTrak II Скачать руководство пользователя страница 9

4.1 Channel selection keys

Push the related channel selection key to show data for one of the six
bottles. The channel selection keys are also used in the instrument setup
menu to select a parameter to be edited. Refer to 

Figure 2

 on page 6

and 

Table 3

.

Table 3  Channel key setup parameters

Channel

Parameter

Year (0–99)

Month (1–12)

Day (1–31)

Hour (0–24)

Minute (0–59)

Test length (5, 7 or 10 days)

4.2 Arrow keys

The display shows a graph of BOD values on the vertical axis and time
in days on the horizontal axis. Push the 

LEFT

 and 

RIGHT

 arrows to

move the cursor along the BOD curve to show the approximate
coordinates (time, BOD) of the selected data point.
The time interval and BOD value of the data point are shown in the lower
right of the display. The cursor is automatically placed at the most
recently collected data point in a channel display.
Push and hold the 

LEFT

 and 

RIGHT

arrows at the same time to go into

the instrument setup menu. The arrow keys are also used to change the
time, date, test length and range.

4.3 ON key

To go to the range selection menu, push 

ON

 from a channel display

screen. Then push and hold 

ON

 to start the test for the selected channel.

4.4 OFF key

When a test is in 

DELAY

 or 

RUN

 modes, push and hold 

OFF

 to

manually end the test. The instrument will show 

END

. The 

OFF

 key is

also used to exit the instrument setup menu or range selection menu.
The changes made before the menu is exited are saved.

Section 5 Startup

5.1 Turn the instrument on

Note: The ON and OFF keys are used to start and stop a test. They do not power
the instrument on and off.

1.

Connect the power adaptor to the DC power connector (

Figure 1

on page 6).

2.

Toggle the power switch to set the instrument to on and off. (

Figure 1

on page 6).

5.2 Set the clock

All the channels must show 

END

 or 

CLEAR

 before the clock can be set.

1.

Push and hold the two arrow keys at the same time until the
instrument setup menu is shown.

2.

Push the applicable channel key to select the clock parameter to be
adjusted.

3.

Use the arrow keys to edit the selected parameter. Adjust each
parameter in the same manner.

4.

When all the time adjustments are complete, push 

OFF

 to save and

go back to the data display screen.

English

   

7

Содержание BODTrak II

Страница 1: ...DOC022 53 80363 BODTrak II 11 2020 Edition 3 User Manual...

Страница 2: ......

Страница 3: ...tions 5 3 2 Connect the RS232 interface 6 3 3 Bottle connections 6 Section 4 User interface 6 4 1 Channel selection keys 7 4 2 Arrow keys 7 4 3 ON key 7 4 4 OFF key 7 Section 5 Startup 7 5 1 Turn the...

Страница 4: ...10 4 Toxic materials 16 10 5 Chlorine 16 10 6 pH effect 16 10 7 Supersaturation 16 Section 11 Maintenance 17 11 1 Cleaning 17 11 2 Storage 17 Section 12 Troubleshooting 17 12 1 Incorrect BOD curves 17...

Страница 5: ...rd 150 mg L each of glucose and glutamic acid Number of samples 44 Number of analysts 1 Number of BodTrak II instruments 6 Results Mean of 235 mg L BOD Distribution 11 mg L or range of 224 to 246 mg L...

Страница 6: ...references the instruction manual for operation and or safety information Electrical equipment marked with this symbol may not be disposed of in European domestic or public disposal systems Return ol...

Страница 7: ...es is monitored Bacteria in the sample use oxygen when they consume organic matter This oxygen consumption causes the pressure in the bottle head space to drop The pressure drop correlates directly to...

Страница 8: ...s if the device cannot continuously receive at 9600 baud Note The use of the specified cable or an equivalent shielded cable is necessary to meet radio frequency emissions requirements 3 3 Bottle conn...

Страница 9: ...test length and range 4 3 ON key To go to the range selection menu push ON from a channel display screen Then push and hold ON to start the test for the selected channel 4 4 OFF key When a test is in...

Страница 10: ...zard select Delimited as the file type the start row in the spreadsheet and Windows ANSI as the file origin Click NEXT 4 Click the check boxes for Space delimiter and Treat consecutive delimiters as o...

Страница 11: ...propriate 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 w...

Страница 12: ...level the 0 to 35 mg L BOD range is decreased to 0 to 25 mg L BOD Adjustment is not necessary for other test ranges Refer to Special considerations on page 15 for special considerations including samp...

Страница 13: ...e size If samples are seeded prepare a seed blank before a sample is prepared Treat the seed blank the same as any other sample and omit step 5 Use Hach BOD Standard Solution Ampules for Manometric Me...

Страница 14: ...eded use a tensette pipet to add the correct quantity of seed to the graduated cylinder Table 5 6 If necessary add more nutrient or buffer Do not add more than a total volume of 50 mL seed nutrient bu...

Страница 15: ...s are rotating If not lift the bottle up then set it down again 7 Push and hold the LEFT and RIGHT arrows at the same time to go to the instrument setup menu Note Set the time and date if necessary Se...

Страница 16: ...s and the seed blank bottle and GGA bottle when applicable The results are shown Note Treat the seed blank the same as all other samples If the sample was pre diluted apply a dilution factor to the in...

Страница 17: ...r to the expanded version of the manual for information about specific procedures Figure 3 shows typical curves through a 10 day test period For incorrect curves refer to Figure 4 on page 18 Figure 3...

Страница 18: ...4 Toxic materials Industrial and chlorinated samples often contain toxic substances and require special considerations when running BOD tests Toxic materials in the sample will cause decreased BOD va...

Страница 19: ...onized or distilled water Clean the sample bottles Clean the sample bottles and caps with a brush water and a mild detergent Flush the sample bottles with fresh water followed by a distilled water rin...

Страница 20: ...fluent is in the 0 70 mg L range while influent is in the 0 700 mg L range when the BOD of the sample is more than 700 mg L prepare a sample dilution Refer to the Sample dilution section in the expand...

Страница 21: ...leak makes the system unresponsive If such a condition occurs examine the seal cup and bottle cap for contamination or damage Section 13 Replacement parts and accessories 13 1 Replacement parts Descr...

Страница 22: ...size 2 1 68700 Buret straight stopcock 25 mL 1 1405940 Clamp buret double 1 32800 Cylinder graduated 10 mL 1 50838 Cylinder graduated 25 mL 1 50840 Cylinder graduated 50 mL 1 50841 Cylinder graduated...

Страница 23: ......

Страница 24: ...h com www hach com HACH LANGE GMBH Willst tterstra e 11 D 40549 D sseldorf Germany Tel 49 0 2 11 52 88 320 Fax 49 0 2 11 52 88 210 info de hach com www de hach com HACH LANGE S rl 6 route de Compois 1...

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