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2015 pH Meters Product Survey Results

The expanded features in today’s pH meters reflect the broad use of this technology. Researchers use pH meters in a wide range of research fields—including biological and chemical, agricultural and environmental, and more—and virtually all kinds of manufacturing.

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Top 6 Questions You Should Ask When Buying a pH Meter

  1. What type of connector does the meter use?
    • Is it a BNC or DIN?
    • Is it proprietary or can other manufacturers’ probes be used with it?
  2. What is the replacement cost for a pH electrode?
  3. What accessories are included with the meter?
    • What is the complete cost of all accessories needed to operate the meter?
  4. What type of after sales support is offered?
    • If something goes wrong with the meter, can it be fixed locally?
    • What is the general turnaround time for repair?
  5. What makes the company different from other companies that manufacture similar products?
  6. What additional types of features are offered? (GLP data, PC connectivity (USB vs RS 232), calibration timeout, number of calibration points, ISE concentration readout, incremental methods for ISE and mv readout of concentration during calibration process).

Types of pH meter(s) used by survey respondents:

Benchtop - pH only58%
Benchtop - multi parameter49%
Portable - pH only30%
Portable - multi parameter14%
In-line - pH only5%
In-line - multi parameter2%

Methods used to measure pH as reported by survey respondents:

Glass-electrode method71%
Hydrogen-electrode method11%
Indicator methods8%
Metal-electrode methods7%
Quinhydron-electrode method0.4%
Antimony-electrode method0.4%
Other2%

Nearly 58% of respondents are engaged in purchasing a new pH meter. The reasons for these purchases are as follows:

Replacement of an aging system
67%
 
Addition to existing systems, increase capacity
17%
Setting up a new lab
5%
First time purchase
3%
Other
8%

Top 10 features/factors respondents look for when purchasing a pH meter:

Resolution and accuracy of the meter87%
Ease of use86%
Low Maintenance / Easy-to-clean76%
Autocalibration with temperature compensation57%
Availability of supplies and accessories56%
Heavy-duty and waterproof48%
Longer-lived refillable electrode type47%
Warranty45%
Multi-level LCD display; display current measurement simultaneously with the current temperature45%
Service and support45%

For more information on pH meters, including useful articles and a list of manufacturers, visit www.labmanager.com/ph-meters

See the most recent survey results

About the Author

  • Trevor Henderson headshot

    Trevor Henderson BSc (HK), MSc, PhD (c), is the creative services director at Lab Manager.  He has more than two decades of experience in the fields of scientific and technical writing, editing, and creative content creation. With academic training in the areas of human biology, physical anthropology, and community health, he has a broad skill set of both laboratory and analytical skills. Since 2013, he has been working with LabX Media Group developing content solutions that engage and inform scientists and laboratorians. He can be reached at thenderson@labmanager.com.

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