EUTECH INSTRUMENTS TURBIDIMETER TN-100 WATERPROOF PORTABLE METER Manuál s instrukcemi stáhnout pdf (Strana 17)

Instruction Manual TN-100/ T-100

NOTE:

1. NEVER pour liquid directly into the sample well of

the instrument. Always use a vial. The instrument

will only accurately measure the turbidity of a

sample when vials sealed with the black caps are

used. The black cap serves as both seal and a

light shield.

2. NEVER attempt to clean the sample well. The

optics may be damaged.

3. The instrument will automatically power off 20

minutes after the last key press for battery

conservation.

3.3

Single-Shot or Continuous Measurement

You can use TN-100/ T-100 turbidimeter to take a single reading or

perform continuous measurement. The latter is only used for indexing the

vials. See Section 8.5 - Indexing a Vial on page 20 for more information.

For single-shot measurement

1. Make sure the meter is sitting on a flat

and level surface and is in measurement

mode. The display shows the last

measured value or [STbY] after exiting

calibration mode.

2. Place sample vial in the sample well.

3. Press READ/ENTER key and release

immediately (<0.3 seconds). See Figure

12.

4. The display will blink [--Rd--] for 10 times

or more and then display the measured

value.

Press key and release

immediately

SAMPLE

Unknown

NTU

Place vial

into the

sample well

NTU

READ

ENTER

Flashes about 10

times

Figure 12: Single-shot measurement

1 2 ... 12 13 14 15 16 17 18 19 20 21 22 ... 31 32

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