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The choice of professionals for
years, this compact instrument has been designed
specifically to demonstrate and test Point of Use (POU)
reverse osmosis or distillation systems. By
measuring electrical conductivity, it will quickly
determine the parts per million/Total Dissolved
Solids (ppm/TDS) of any drinking water.
With a single “before and after”
test, this handy device effectively demonstrates how
your RO or distillation system eliminates harmful
dissolved solids. It will also service test systems,
including membrane evaluation programs.
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Features
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Instant and accurate TDS tests
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Electronic Internal Standard for easy field
calibration
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Fast Auto Temperature Compensation
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Rugged design for years of trouble-free testing
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Simple to use
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AUTOMATIC TEMPERATURE COMPENSATION:
Why It Is Important
The graph below illustrates a TDS
reading of a 500 ppm water sample tested with a
non-temperature compensated conductivity meter. The same
water sample appears to have a higher level of TDS when
heated (and lower TDS when chilled). Actually, only
conductivity readings change with temperature. TDS does not
change.

Many instruments ignore the importance of
temperature. Others require a separate thermometer for
testing sample temperature, then manual adjustment of the
meter. All Myron L instruments, however, feature fast and
precise Automatic Temperature Compensation. The result: a
more accurate, useful instrument.
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HOW CONDUCTIVITY MEASURES ppm/TDS
Total Dissolved Solids (TDS)
conduct electricity. This conductivity allows
measurement of the concentration of these salts
directly in parts per million (ppm). However, the
salts’ composition in waters can vary significantly
by location. Since various salts pass current
differently, it was necessary to determine an
“average” ppm/ conductivity relationship. The Myron
L Company established the “442” Standard over 40
years ago. It remains the world’s most widely
accepted standard of its kind.
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IF YOU ALSO TEST pH
Myron L offers instruments that check
both TDS and pH, and are widely used throughout the RO
industry.
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pH sensor is built-in for maximum
protection
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Automatic temperature compensation
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Full calibration capability
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Many models available
Also see our
RO-CHECK™
POU TDS Monitor
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Accessories |
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Standard
Solutions are used to periodically recalibrate instruments for
greatest accuracy. 442-1000 (1000 ppm/TDS) is the type used in
MyronL factory calibrations.
Model: 442-1000 (Specify quart, gallon or 2 oz.) |
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Porta-Pak Carrying Case
For use with all Myron L DS/pDS portable
instruments. Foam lined and molded of sturdy ABS plastic.
Model: PTP |
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Additional Information |
RO METERS™ Data Sheet
(includes specs, options & order info) |
click here:
PDF |
| Price List |
click here:
PDF |
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Limited
Warranty
Myron L RO instruments have a
Two (2) Year Limited Warranty. If an instrument fails to
function normally, return it to the factory prepaid. If, in
the opinion of the factory, failure was due to materials or
workmanship, repair or replacement will be made without
charge. A reasonable service charge will be made for
diagnosis or repairs due to normal wear, abuse, or
tampering. Warranty is limited to the repair or replacement
of the Myron L instrument only. The Myron L Company assumes
no other responsibility or liability. |
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