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T.M.I.

Test and Measurement Instruments C.C.

          CK 1985/007464/23

“Tomorrow’s Instruments Today”  —  “For Good Measure” ®

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Turbidity Meters

Turbidity Meters

Part No:  TU-2016 

Turbidity Meter, 0 to 1000NTU, Resolution: 0.0NTU/1NTU, Max/Min & Data-Hold. Heavy Duty Housing.

Lutron TU-2016 Turbidity Meter

Lutron

Lutron TU-2016 Turbidity Meter
Lutron TU-2016 Turbidity Meter

Notes on Turbidity Meters or TDS Meters

Turbidity instruments also known as TDS Meters, measure the average volume of light scattering over a defined angular range. Both particle size and the concentration of suspended solids, as well as the level of dissolved solids can affect the reading. Turbidity is defined as an expression of the optical property that causes light to be scattered and absorbed, rather than transmitted, in straight lines through the sample. Simply stated, turbidity is the measure of relative sample clarity.

Turbidity instruments can measure not only turbidity but also suspended solids. Turbidity is measured in Nephelometric Turbidity Units or NTU, which represents the average volume scattering over a defined angular range. Both particle size and concentration of suspended solids as well as dissolved solids can affect this reading. When measuring suspended solids, the instruments measure concentration, often in parts per million.

Mounting options for turbidity instruments are quite varied. They can be handheld meters, larger portable meters with wheels or handles for carrying, and modular for interfacing with sensors of different input ranges. Other styles commonly available are specially designed for lab or benchtop use and others for field or in-situ applications. Some of these meters are designed to be mounted in a panel.

Displays for the instruments can be analog meters, a numeric or alphanumeric digital display or video, CRT or LCD. Another option is to have no local display at all and have the data gathered by another instrument. Likewise, the user controls can also be analog or digital or can be operated through a host computer. To simplify the instruments, preprogrammed devices without user controls are available.

Electrical output options are the standard voltage and current outputs as well as an analog frequency or a change in state of switches or an alarm. Serial and parallel interfaces can help connect these instruments to a host computer.

Some features available for many turbidity instruments include battery power for greater portability and built-in signal processing filters. Built-in calibration ability and self-test functions are also available, as are event triggering and ratings for extreme environments. These instruments can also have some controller functionality such as set limits, regulator, or P/PI/PID control.

 

Additional Notes On Turbidity.

Turbidity is the measure of sample clarity and is the term is used to describe a cloudy or milky appearance of a liquid.

Turbidity is due to particles of varying sizes scattering or absorbing light, giving the medium a cloudy appearance. A high turbidity value is caused as a result of particles such as silt, clay and micro-organisms. It is not a direct measure of these particles but rather a measure of how these particles scatter light. Turbidity is measured in Nephelometric Turbidity Units (NTU).

 The measurement of Turbidity is important in some manufacturing operations such as beverage production, food processing and potable water treatment plants. In drinking water, a turbidity value may give an indication of bacteria or particles or pathogens  that can shelter harmful organisms from the disinfection process. In industrial processes, turbidity can be part of quality control to verify the efficiency in treatment or production processes.

Test and Measurement Instruments C.C. T+M Instruments

Turbidity is the haziness of a liquid, and this product is a turbidity meter that measure the number of particles in liquids quickly and accurately.

Turbidity Meter, Bench Type, Backlit LCD Screen,  Memorises 200 Readings ,0.00 to 4000 NTU, Ideal for Drinking water applications. USB PC Connectivity.

Hanna

Hanna Turbidity Meters
Hanna Turbidity MetersHanna Turbidity Meters

Turbidity Meter, Various Types. Readings ,0.00 to 1000 NTU, Ideal for Drinking water applications. USB or RS232 PC Connectivity.

Hanna

Hanna Turbidity MetersHanna Turbidity MetersHanna Turbidity Meters

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