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1
Overview
Thank you for purchasing the Apera Instruments WS200 pH/Condivity/Fluoride 7-in-1 Portable Meter (Hereon
after referred as the meter). Before using the product, please read this manual carefully to help you properly use and
maintain the instrument For technical support, please contact us at
Apera Instruments reserves the right to update the content of this manual without giving prior notices.
The WS200 meter is widely used for drinking water, surface water and other water treatment applications, ideal for
both in-field and laboratory testing.
1.1
Basic Functions
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Automatic calibration and temperature compensation (ATC), data storage, self-diagnostics,
automatic shutdown, low-battery reminder
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Adopting digital filtering and intelligence to improve the instrument's responsiveness and
accuracy of measurement data, measured value display when stable " " Icon.
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Meets IP57 Waterproof and dustproof rating, ideal for use under harsh environment.
1.2
Features of Fluoride Measurement
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Patented structure of the 3-in-1 ion electrode contains: ion-selective electrode, reference
electrode, and temperature electrode. This design generates quick stability, fast response, and is
easy to use.
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no need for stirring or added reagents, directly measuring the ion concentration of fluoride in a
quick and simple manner, directly measure the fluoride concentration with three different
units: mg/L, ppm and pF.
1.3
Features of pH measurement
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1-3 points of automatic calibration, with calibration icons and self diagnosis function.
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Automatic recognition of up to 12 different pH standard buffer solutions, there are three
series of standard buffer solutions to choose from: U.S.A, NIST, and China.
1.4
Features of Conductivity Measurement
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1-3 points of automatic calibration, with calibration icons and self diagnosis function.
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Automatically recognize up to 8 kinds of conductivity standard solutions. User can choose
from two series of standard solutions: Europe & USA and CHINA.
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Automatically adjusts conductivity measuring range, the meter will do perform automatic
temperature compensation test for purified water and high purified water less than
10μS/cm, which greatly improves the measuring accuracy. It is especially suitable for use
in electrical power, microelectronics, and medicine industries.
