What are Total Dissolved
Solids (TDS)
Total Dissolved Solids (TDS) are solids in water that can pass
through a filter. TDS is a measure of the amount of material
dissolved in water. This material can include carbonate,
bicarbonate, chloride, sulphate, phosphate, nitrate, calcium,
magnesium, sodium, organic ions, and other ions.
For more information on Total
Dissolved Solids (TDS), please visit our
technical area
How Can TDS be
Measured?
The method most commonly used for the analysis of TDS is the
measurement of specific conductivity with a conductivity probe that
detects the presence of ions in water. Conductivity measurements are
then converted to TDS values. The practical quantisation limit for
TDS in water by this method is 10 mg/L. High TDS concentrations can
also be measured gravimetrically, although this method excludes
volatile organics. The constituents of TDS can also be measured
individually.
What products do R.M.S Ltd
offer for TDS Measurement?
Portable Hand Held
Instruments:
Our EcoScan compact palm-top TDS meters are economically priced,
user-friendly and simple-to-use features such as : Microprocessor based,
easy and quick push button calibration, auto ranging, automatic temperature compensation (ATC), easy to read custom LCD,
hold function, auto power off and self diagnostic.
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Outdoor & Field
Applications:
Testers:
Choose from our range of TDScan Total Dissolved Solids (TDS)
Testers. This range of unique IP67 pocket-sized waterproof portable
TDS meters have many advanced features such as waterproof, dustproof
housing IP67 rated - maintains the integrity of your tester even in
harsh field conditions, Automatic Temperature Compensation (ATC) -
ensures optimum accuracy under fluctuating temperatures,
Microprocessor based functions for fast and stable readings.
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Waterproof Portable:
The CyberScan TDS Meters are an ideal choice for anyone requiring
to take TDS measurements in rugged outdoor field work or in situ
Plant and Process applications - being waterproof and robustly
built, the chance of accidental damage is virtually eliminated.
Not only is this instrument waterproof but in the event of
accidentally dropping it into liquid, it will float to facilitate
easy retrieval.
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Laboratory Applications:
Choose from our wide range of Bench TDS
meters, from the low cost, high specification CyberScan CON510 through to our top of the range touch-screen CyberScan
CON1500. Incorporating advanced programmable features to suit the
demands of today's scientist these meters make laboratory TDS testing procedures routine with user-customisable
options. The CyberScan CON1500 has expanded
Memory and can store and recall up to 100 data sets
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Plant & Process
Applications:
Our Alpha CON2000 is our top of the range industrial TDS process
control instrument.
These controllers can be wall-mounted or panel-mounted, are equipped
with advanced menu-driven incorporated with a myriad of
user-customizable features. Features include built-in
PI/proportional control, scaleable current output for fine control,
2 independent set-points, alarm with timer control and programmable
wash cycle. Output is scaleable for fine control, there is also hysteresis
protection and noise grounding functions, etc.
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Replacement Sensors and
Ancillaries:
At
R.M.S Ltd we can supply replacement TDS Cells for both
Industrial and Laboratory applications that are compatible with all
modern instruments. All of our electrochemical sensors can be
supplied with or with out temperature compensation. All we need is
the make and model of your Conductivity meter so that we can determine the correct
connector etc - please
email,
phone or
fax us with your requirements and one of our team will contact you.
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