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AlpHa Measurement Solutions
10540 Rockley Road
Houston, TX 77099

(Toll Free) 800-522-7920
(voice) 832-456-4100

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New Electrode Questionnaire TEXT SIZE: A A A    PRINT THIS PAGE   EMAIL THIS PAGE

Knowing the answers to the following questions prior to calling our sales department will help us to more quickly ascertain the best electrode for your application.


  1. What are you interested in measuring?
  2. What is its concentration level or concentration range in your sample?
  3. What other ions, organics, or metals are present in your sample? Do you know the concentration level of each of these species?
  4. Is your sample totally aqueous or are any organics present in your sample?
  5. Is your sample at room temperature or another temperature?
  6. What is the pH of your sample? Does the pH vary?
  7. Is this an on-line measurement or a laboratory measurement with grab samples?
  8. Have you used electrodes to measure your sample before? If so, whose were they and how long did they last? If not, are you familiar with how to use electrodes?
  9. How accurate do you want your measurement? How reproducible should the readings be on a given sample?
  10. How long before you wish to recalibrate? How long do you expect the electrode to last?