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Industrial in line and field application, professional
pH ELECTRODE
Model : PE-21
OPERATION MANUAL
Your purchase of this
Industrial pH electrode
marks a step forward for
you into the field of
precision measurement.
Although
this
electrode is a complex
and delicate unit, its
durable
structure
allow many years of use
if
proper
t e c h n i q u e s
developed. Please read
t h e
f o l l o w i n g
instructions
and always keep this
manual
within
reach.
pH
will
operating
a r e
carefully
easy
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Summary of Contents for Lutron Electronics PE-21
- Page 1 Industrial in line and field application, professional pH ELECTRODE Model : PE-21 Your purchase of this Industrial pH electrode marks a step forward for you into the field of precision measurement. Although this electrode is a complex and delicate unit, its...
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Page 2: Table Of Contents
TABLE OF CONTENTS 1. SPECIFICATIONS............1 2. BODY THREAD SIZE..........1 3. ELECTRODE STORAGE..........2 4. HELPFUL OPERATING TECHNIQUES......2 5. CALIBRATION AND MEASUREMENTS......4 6. ELECTRODE CLEANING..........4 7. RECONDITIONING............ 5... -
Page 3: Specifications
1. SPECIFICATIONS Features Professional and heavy duty industrial in line pH electrode, available for the field pH monitor application. Measuring Range 0 to 14 pH Operation Temp. 0 to 95 ( 32 to 203 ℃ ℉ Electrode Structure Combination type. Zero Potential for 7 ±... -
Page 4: Electrode Storage
3. ELECTRODE STORAGE When pH readings are made infrequently, for example, several days or weeks apart, the electrode can be stored simply by replacing it in its soaker bottle. First, slide the cap onto the electrode, then insert the electrode into the bottle and firmly tighten the cap. - Page 5 4)After exposure to a sample, buffer or rinse solution, shake the electrode with a snap motion to remove residual drops of solution. This action will minimize contamination from carryover. 5)As a rinse solution, use a part of the next sample or buffer which is to be measured.
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Page 6: Calibration And Measurements
5. CALIBRATION AND MEASUREMENTS As a rule, follow the procedures recommended by the pH Meter manufacturer keeping in mind the Helpful Operating Techniques given above. The frequency of calibration is a function of the electrode, the pH meter and the solutions the electro measurements : 1)Remove the electrode form its soaker bottle and save the bottle. -
Page 7: Reconditioning
7. RECONDITIONING When reconditioning is required due to electrode aging (see Helpful Operating Techniques, Part 9), the following chemical treatments can be tried. They are presented in the order of the severity of their attack on the pH glass and may not improve ( and in some case actually further deteriorate ) electrode performance.