FAQ

Water Quality Meter

Can 86505 measure brine water of cheese?
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Can 86505 measure brine water of cheese?(10 KB)

Can I set up my 8403 into non-sleep mode?
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Can I set up my 8403 into non-sleep mode?(12 KB)

Can AZ8305 measure the salinity solution which is not for seawater?
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Can AZ8305 measure non-seawater salinity solutions(12 KB)

Can I use Low Ionic Strength pH pen to measure higher Ionic strength solution?
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Can the low ion pH pen measure higher ion solution(11 KB)

How to solve the wrong message E21 of 86031?
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How to solve the wrong message E21 of 86031?(38 KB)

What dose the % unit mean for DO value?
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What dose the % unit mean for DO value?(12 KB)

What is the correct testing liquid upper limit for 86021?
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The correct test liquid upper limit of 86021(70 KB)

What is the life time for D.O.probe?
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What is the life time for D.O.probe?(12 KB)

What to do when display shows pH 7 at every calibration points?
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The display shows pH 7 at each calibration point(42 KB)

What to do when my ORP pen is in big deviation?
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What to do when my ORP pen is in big deviation?(12 KB)

What is the 8601 probe storage buffer?
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What is the 8601 probe storage buffer?(64 KB)

What's the procedure of pH calibration? When should I re-calibrate my pH meter?
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pH calibration procedure(12 KB)

Why 8373 has no ppt display?
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Why 8373 has no ppt display?(100 KB)

Can I use 35ppt NaCL buffer to calibrate 8372?
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Can I use 35ppt NaCL buffer to calibrate 8372?(83 KB)

Can I manually input the cell constant of my EC probes into your benchtop EC meters?
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EC probes into your benchtop EC meters(6 KB)

Why I see 3~6uS displayed on LCD when I put the EC pen in air?
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3~6uS displayed on LCD when I put the EC pen(12 KB)

What is the reference system of your 850P ORP probe. Is it Ag/AgCl?
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What is the reference system of your 850P ORP prob(11 KB)

Why the pH reading of 86021 drift by time when testing the same water sample for heating system?
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Why the pH reading of 86021 drift by time?(12 KB)

What pH meters can do in daily life?

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Many friends ask me what pH meter can help to improve daily life quality.

That is a good question so I collect many documents and summarize them into one simple chart as below.

Hope this is also helpful for you. If you need pH meters, you may check some options from AZ Instrument Corp


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What pH meters can do in daily life?(274 KB)

What kind of PH probes AZ could provide?

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For the Benchtop Meter, Portable pH Meter, AZ could provide the following accurate pH probe, 

1. 86P3: ATC pH probe

2. 86P2: pH probe without ATC function

3. 86P4: pH probe for Low Ion Strength without ATC function

4. 86P6: Full glass pH probe without ATC function

5. 86P7: Sharp tip pH probe without ATC function

6. 86P1: Flat surface pH probe without ATC function

7. 86P11: 6mm 
glass pH probe without ATC function



For the AZ Combo Water Testing Meters (ex: 86031, 86021, 84051), their pH probe is "863P". 



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What kind of PH probes AZ could provide?(114 KB)

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