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5 results about "Nephelometer" patented technology

A nephelometer is an instrument for measuring the concentration of suspended particulates in a liquid or gas colloid. A nephelometer measures suspended particulates by employing a light beam (source beam) and a light detector set to one side (often 90°) of the source beam. Particle density is then a function of the light reflected into the detector from the particles. To some extent, how much light reflects for a given density of particles is dependent upon properties of the particles such as their shape, color, and reflectivity. Nephelometers are calibrated to a known particulate, then use environmental factors (k-factors) to compensate lighter or darker colored dusts accordingly. K-factor is determined by the user by running the nephelometer next to an air sampling pump and comparing results. There are a wide variety of research-grade nephelometers on the market as well as open source varieties.

Low range nephelometer (1)

ActiveCN309989008STap waterTurbidity
1. The name of the design product: low-range turbidity analyzer (I). 2. The use of the design product: for water turbidity monitoring in scenarios such as waterworks, municipal pipelines, industrial processes, etc. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view 1.
Owner:NANJING YIMU INTELLIGENT TECHNOLOGY CO LTD +1

An on-line monitoring device for alum concentration based on ultrasonic wave

ActiveCN224500528UMonitoring without blind spotsThe monitoring results are accurateSuspended particlesElectric machinery
The utility model relates to the technical field of alum flower concentration on -line monitoring, especially based on ultrasonic's alum flower concentration on -line monitoring equipment, including sedimentation tank, the top of sedimentation tank and along four edges all are fixed with side board, the top of side board located in front and back two sides all are installed with fixed support, the top of fixed support located in front side installs the slide rail that extends along the length direction, the outside slide of slide rail is connected with sliding seat, in the utility model, both sides of the sedimentation tank are provided with fixed stand, under the action of positive and negative motor drive rotating screw and screw sleeve thread cooperation, make the folding support move down, guarantee that the contact sensing probe is in the pool, the contact sensing probe adopts turbidimeter probe, emits infrared light to pass through the water body, detects alum flower suspended particle concentration through 90 degree scattering angle, the structure of having and not having contact combination can greatly improve the monitoring effect of alum flower concentration.
Owner:QUANZHOU WATER QUALITY TESTING CO LTD

Solution turbidity calculation method, detection system and turbidity detection device

The invention provides a solution turbidity calculation method, a solution turbidity detection system and a solution turbidity detection device, and belongs to the technical field of solution turbidity detection. The solution turbidity calculation method comprises the following steps: calculating solution concentration according to infrared incident light intensity and infrared transmitted light intensity of infrared light of a solution to be detected; according to the solution concentration and each color of the to-be-detected solution, calculating each corresponding color concentration component; calculating a total color concentration according to each color concentration component; and calculating the turbidity of the solution according to the total color concentration, the light intensity of the infrared incident light and the light intensity of the infrared transmitted light. According to the solution turbidity calculation method, the detection system and the turbidity detection device, the turbidity detection accuracy can be improved.
Owner:SUZHOU ZING TECHNOLOGY CO LTD

Online turbidity-based solubility and solids content measurement device, system, and method

The application discloses a solubility and solid content measuring device, system and method based on online turbidity, the measuring device comprises a stirrer, a container for containing a to-be-measured substance and a coupled measuring device configured to simultaneously measure the turbidity and temperature of the to-be-measured substance, the stirrer is configured to stir the to-be-measured substance, the coupled measuring device comprises a turbidimeter and a temperature detector, the turbidimeter comprises a probe shell made of a heat-conducting material, and the temperature detector is arranged on the inner wall of the probe shell; the stirring axis of the stirrer is configured to be arranged perpendicularly to the liquid surface of the to-be-measured substance, the turbidimeter is arranged at a certain angle with the stirrer, the probe shell of the turbidimeter is provided with a glass window for emitting light and receiving light, and the glass window is arranged on the probe shell away from the stirrer. The application can reduce the influence of the stirrer and external light on turbidity determination, and improve the measurement accuracy and measurement efficiency of solubility and solid content.
Owner:TIANJIN JINGSHI INTELLIGENT TECHNOLOGY CO LTD

Mass concentration determination of particles smaller than 2.5 microns in air

ActiveUS12669424B2NephelometerParticle growth
A method for determining airborne concentrations of an ensemble of particulate matter below the size fraction 2.5 μm in aerodynamic diameter (PM2.5). The method is to be composed of a sharp cut PM2.5 cyclone, optical sensor capable of producing scattering coefficients dependent on particle size, temperature and humidity sensors for adapting to changes in the environment, and a processing system for applying logic-based algorithm to convert raw sensor values into PM concentrations. The optical sensor is a dual wavelength integrating nephelometer capable of yielding particle characteristic scattering coefficients at two wavelengths. The particle scattering ratios between two wavelengths are used in conjunction with temperature and humidity in the method's algorithm to reduce particle growth bias and to ultimately yield PM2.5 concentrations.
Owner:AMERICAN ECOTECH LC