Myron-l 6PFCE and 4P Uživatelský manuál stáhnout pdf (Strana 16)

4. Rell both sensor well and cell cup with sample.

5. Press .

6. Take reading.

7. Press MS to store reading in memory, if desired.

IMPORTANT: After use, ll pH/ORP sensor well with Myron L

pH Sensor Storage Solution and replace protective cap. If

Myron L pH Sensor Storage Solution is unavailable, you can

use a strong KCl solution, a pH 4 buffer, or a saturated solution

of table salt and tap water (ref. Cleaning Sensors, 2. pH/ORP,

pg. 34). Do not allow pH/ORP sensor to dry out.

E. Measuring Free Chlorine Using FC

The FC

function can be used to measure discrete samples, owing

solution and bodies of water. Measurement technique is particular to the

type of sample. For accurate results, use the FC

Flow Method described

in section 2 below to measure discrete or owing samples. Use the FC

Immersion Method described in section 3 below in situations where the

6PFC

can be dipped to obtain a sample. Read through section 4. FC

Best Practices before you begin.

1. Prepare for FC

Measurement

1. For ease of measurement, set the instrument’s Auto oFF feature

to 75 sec (ref. Auto oFF, pg. 28).

2. Ensure the FC

mode has been activated (ref. ORP/FC

Mode

Selection, pg. 10).

3. Remove protective cap from the pH/ORP sensor by rotating

while grasping and pulling up.

2. FC

Flow Method

1. Empty the pH/ORP sensor well of all storage solution.

2. Hold the 6PFC

at a 30º angle (cup sloping downward).

3. Thoroughly ush the sensor well and cell cup with a steady

stream of the solution you intend to measure by allowing the

solution to ow into and out of the sensor well and cell cup for at

least 10 seconds.

4. Let sample ow continuously into conductivity cell with no

aeration.

5. Allow both the sensor well and cell cup to remain lled with

sample.

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