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Shandong Dongrun Instrument Science and Technology Co., Ltd.

Turbidity Sensor, Turbidity Controller, Turbidity Tester manufacturer / supplier in China, offering Tbd-99 Immersed Turbidity Senser Controller 4-20mA, Uhz-99b Top-Mounted Magnetic Liquid Level Meter, Water Quality Monitoring Equipment for Testing pH, Temperature, Do, Salinity, Turbidity and so on.

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Supplier Homepage Product Turbidity meter/transmitter Tbd-99 Immersed Turbidity Senser Controller 4-20mA

Tbd-99 Immersed Turbidity Senser Controller 4-20mA

FOB Price: US $1,200-1,500 / Piece
Min. Order: 1 Piece
Min. Order FOB Price
1 Piece US $1,200-1,500/ Piece
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Port: Yantai, China
Production Capacity: 50000 Pieces/ Year
Payment Terms: L/C, T/T, Paypal

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Basic Info
  • Model NO.: TBD-99
  • Trademark: As customer required
  • Specification: 0 ~ 20NTU, 0 ~ 200NTU, 0 ~2000NTU, 0 ~ 100mg/l, 0~
  • Accuracy: 2%Fs
  • Transport Package: Carton
  • Origin: China
Product Description
It adopts 90 degree light scattering principle, according to EN27027 and ISO7027.It uses infrared light as light source without sample chromaticity of interference. According to online measuring the light scattering degree generated by insoluble particulate matter floating in water, measure the content of these suspended particles and water turbidity.
Tbd-99 Immersed Turbidity Senser Controller 4-20mA

Scope of Application                                        
  • Waterworks: turbidity monitoring of reservoir, well,
  • Clean water pool, filter, filtered, precipitation and
  • Water treatment plant
  • Water distribution systems water quality monitoring, industrial process water quality monitoring, circulating cooling water.                         
  • Industrial process: water quality monitoring of production recycled water, recycled water, activated carbon filter water, membrane filter water
  • Sewage treatment: water quality of inlet and outlet
  • Online turbidity measurement of electric, pure water, beverage, wine and pharmaceutical industries 
Key Feature
  • Standard 90°scattering light measurement technique which provides reliable measurement results
  • Immersion type probe with self-clean wiper, maintenance-free
  • Simple key operation
  • Digital sensor, two-channel input, plug and play
  • Self-diagnostic function
  • low-scale circulating built-in bubble eliminating system
  • The measurement result is not affected by the bubbles.
  • Scattering composite light; Low turbidity data is not affected by Brownian diffusion impact.
  • Automatically compensation for voltage fluctuations, device aging, temperature change and sludge color 
Working principle
Immersion sensor, the transmitter transmits an infrared beam at an angle to the direction of the radiating medium , light encounter particles in the medium, then scatter. part of the scattered light incident on the receiver 90 °, absorbed by the receiver, compared with the reference Comparative optical receiver combining the plurality of receivers to compensate for the calculation , because the detector receives the light intensity and the measured turbidity of the effluent of a certain relationship , so by measuring the scattered light intensity can be calculated turbidity of the water .
Flow- sensor, water samples go through the bubble trap, entrained air bubbles are removed, it flow into the measurement chamber of sensor ,through the center column.
The measuring chamber is sealed in a dark chamber , do continuous online measurement accuracy . And a replaceable desiccant pack ensure reliable measurement environment. Incandescent light emitted by the light source assembly of the sensor , after being scattered by particles in the sample with a beam of 90 ° to a monitor receiver ,the received signal proportional to the turbidity of the sample.

Analog output4~20mA
Digital outputMODBUS/RS485, MODBUS/RS232
Output relayFour alarm system , 250VDC, 3A, all the way to the cleaning system 250VDC, 3A
Frequency of reading0.5S one time
Power supply90-265VAC, 50/60HZ
Size210/105/185mm, L/W/H

Company Information  Tbd-99 Immersed Turbidity Senser Controller 4-20mA 
Shandong Dongrun Instrument Science and Technology CO., ltd was founded in 1998, specializes in manufacturing online water quality analysis equipment, material level meters, pressure gauges, flow meters, special temperature gauges and laboratory analysis equipment. Our company cooperate with the Chinese Academy of Sciences to build a water analysis laboratory, and the main products are TOC analyzer, ammonia analyzer, fluorescence oxygen analyzer, etc. We have passed the ISO9001 certification and has a professional R & D team, providing technical support to meet customer demand, particularly in the anti-corrosion, our company has a unique technology to meet different conditions of corrosion requirements.

We are manufacturer in china for online water analyzer and level transmitter, pressure transmitter , level sensor since 1998, our product  have been exported to  Iran, India,  Australia,  Philippines , Indonesia , Malaysia, Italy , Chile, Hungary , Brazil, Colombia, South Africa, Canada , Ireland, New Zealand, Russia , Belarus, Israel, etc. have good quality and competitive price. 

Tbd-99 Immersed Turbidity Senser Controller 4-20mA
Tbd-99 Immersed Turbidity Senser Controller 4-20mA
Tbd-99 Immersed Turbidity Senser Controller 4-20mA
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