Myron-l PS6FCE User Manual download pdf (Page 14)

B. Measuring pH

1. Remove protective cap by squeezing its sides and pulling up.

2. Rinse sensor well 3 times with sample to be measured. Shake

out each sample to remove any residual liquid.

3. Rell both sensor wells with sample.

4. Press .

5. Note value displayed.

6. 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. 32).

Do not allow pH/ORP sensor to dry out.

C. Measuring ORP

The PS6 features the ability to measure the activity of oxidizing or

reducing chemicals in solution as ORP mV. The instrument also includes

an innovative Free Chlorine Equivalent (FC

) feature (Measuring Free

Chlorine Using FC

, pg. 12) that uses ORP and pH to measure free

available chlorine (FAC) concentration in ppm. ORP mV and ppm of

free available chlorine (FAC) are the two most commonly used sanitizer

units of measure in water quality management.

1. ORP / FC

Mode Selection

The PS6 allows the user to choose between measuring oxidizing

sanitizers using either ORP mV or as parts per million (ppm) of equivalent

free chlorine. Use ORP to directly measure the oxidizing power of all

sanitizers like ozone, bromine, peracetic acid or chlorine. Use FC

measure the strength of oxidizing sanitizers as ppm of equivalent free

chlorine. To select between ORP and Free Chlorine modes:

1. Press

2. Press and hold

for approximately 3 seconds.

The current preference for ORP units of measure is displayed.

Factory setting for this preference is ORP mV. (See Figure 1, next

page.)

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Myron-l PS6FCE User Manual Page 14