Jenco Help Desk

FAQ

• pH

  • How do I get the most accurate pH measurements from it?
  • Will a pocket tester be sufficient for my needs?
  • What is calibration and why do I need to calibrate my pH meter?
  • How often do I need to calibrate my pH electrode?
  • How do I use automatic buffer recognition?
  • How do buffer values change with temperature?
  • What is automatic temperature compensation and why do I need an automatic temperature probe?
  • How long does calibration take?
  • What is the best way to store my pH electrode?
  • Do I need to do anything differently if I am measuring low ionic strength or deionized water?
  • How long will the pH probe last and what can I do to make it last as long as possible?
  • How do I know when it is time to replace the pH probe?
  • How do I prepare a new pH probe when I take it out of the box?
  • How much electrolyte solution should the probe contain?
  • Do I need to calibrate Oxidation Reduction Potential electrodes?
  • What is the best way to measure pH in soil?
  • What is the difference between epoxy and glass bodies in pH probes?
  • How can I select the right electrode for my application?

• Conductivity, TDS and Salinity

  • What is conductivity?
  • Why do we need to measure conductivity?
  • How is conductivity measured and read?
  • What is salinity and how do I measure it?
  • How do I clean and store the probes for my conductivity meter?
  • How do I calibrate my conductivity meter - and how often?
  • What if the dissolved solids in the sample are different than those in the calibration solution?
  • What does 'cell constant' mean?

• Dissolved Oxygen

  • Why do we measure dissolved oxygen?
  • What affects DO levels in water?
  • What is the difference between galvanic and polarographic DO sensors?
  • What are the advantages of Optical DO Sensors?
  • How often should I calibrate my DO meter?
  • How do I calibrate my DO meter and then verify calibration afterward?
  • How long do I need to wait before calibrating or taking a measurement when I turn my meter on?
  • Do I need to change the membrane on my electrochemical sensor?
  • How often do electrochemical sensor electrodes need to be cleaned or serviced?