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Contaminant Comparison Chart

For a complete list of contaminants that PUR filters reduce, please view our Performance Data Sheets here.

 

 

 

PUR & PUR PLUS FAUCET FILTERS
RF3375/RF9999

View Filters

PUR PLUS PITCHER FILTERS
PPF951K

View Filter

PUR BASIC PITCHER FILTERS
PPF900Z

View Filter

 

Vs. Brita*
Lead ✓ ✓
Microplastics ✓ ✓
Mercury ✓ ✓ ✓
Chlorine Taste & Odor ✓ ✓ ✓
DEET ✓
TTHM ✓

PUR’s Filtration Systems Are Certified By NSF And WQA For Their Contamination Reduction. WQA certifications as of 5/27/21 for Faucet filter models RF-3375 and RF-9999.

¹ Certified to reduce 10X more chemical and physical substances than Brita’s® leading pitcher filter.
² Certified to reduce 3X more chemical and physical substances than Brita’s® leading pitcher filter.
³ Certified to reduce 2X more chemical and physical substances than Brita’s® leading pitcher filter.
*Versus best-selling Brita® pitcher filter OB03. Brita® is a trademark of Brita LP.
**Like other leading brands, PUR does not filter microbes. As of 3/1/23 Brita® and ZeroWater® were not certified to filter microbes. Brita® is a trademark of Brita LP. ZeroWater® is a trademark of Zero Technologies, LLC..

 

PUR & PUR PLUS FAUCET FILTERS

 

 

 

PUR & PUR PLUS FAUCET FILTERS
RF3375/RF9999

View Filters
 

Vs. Brita*
Lead ✓
Microplastics ✓
Mercury ✓
Chlorine Taste & Odor ✓
DEET ✓
TTHM ✓

PUR’s Filtration Systems Are Certified By NSF And WQA For Their Contamination Reduction. WQA certifications as of 5/27/21 for Faucet filter models RF-3375 and RF-9999.

¹ Certified to reduce 10X more chemical and physical substances than Brita’s® leading pitcher filter.
² Certified to reduce 3X more chemical and physical substances than Brita’s® leading pitcher filter.
³ Certified to reduce 2X more chemical and physical substances than Brita’s® leading pitcher filter.
*Versus best-selling Brita® pitcher filter OB03. Brita® is a trademark of Brita LP.
**Like other leading brands, PUR does not filter microbes. As of 3/1/23 Brita® and ZeroWater® were not certified to filter microbes. Brita® is a trademark of Brita LP. ZeroWater® is a trademark of Zero Technologies, LLC..

 

PUR PLUS PITCHER FILTERS

 

 

PUR PLUS PITCHER FILTERS
PPF951K

View Filter

 

Vs. Brita*
Lead ✓
Microplastics ✓
Mercury ✓
Chlorine Taste & Odor ✓
DEET
TTHM

PUR’s Filtration Systems Are Certified By NSF And WQA For Their Contamination Reduction. WQA certifications as of 5/27/21 for Faucet filter models RF-3375 and RF-9999.

¹ Certified to reduce 10X more chemical and physical substances than Brita’s® leading pitcher filter.
² Certified to reduce 3X more chemical and physical substances than Brita’s® leading pitcher filter.
³ Certified to reduce 2X more chemical and physical substances than Brita’s® leading pitcher filter.
*Versus best-selling Brita® pitcher filter OB03. Brita® is a trademark of Brita LP.
**Like other leading brands, PUR does not filter microbes. As of 3/1/23 Brita® and ZeroWater® were not certified to filter microbes. Brita® is a trademark of Brita LP. ZeroWater® is a trademark of Zero Technologies, LLC..

 

PUR BASIC PITCHER FILTERS

 

 

 

PUR BASIC PITCHER FILTERS
PPF900Z

View Filter

 

Vs. Brita*
Lead
Microplastics
Mercury ✓
Chlorine Taste & Odor ✓
DEET
TTHM

PUR’s Filtration Systems Are Certified By NSF And WQA For Their Contamination Reduction. WQA certifications as of 5/27/21 for Faucet filter models RF-3375 and RF-9999.

¹ Certified to reduce 10X more chemical and physical substances than Brita’s® leading pitcher filter.
² Certified to reduce 3X more chemical and physical substances than Brita’s® leading pitcher filter.
³ Certified to reduce 2X more chemical and physical substances than Brita’s® leading pitcher filter.
*Versus best-selling Brita® pitcher filter OB03. Brita® is a trademark of Brita LP.
**Like other leading brands, PUR does not filter microbes. As of 3/1/23 Brita® and ZeroWater® were not certified to filter microbes. Brita® is a trademark of Brita LP. ZeroWater® is a trademark of Zero Technologies, LLC..

 

China Top 10 Turbidity Sensor Manufacturers

Turbidity is more than a number on a control-room display. It can signal suspended particles, changing source water, or a filtration problem that needs attention. The World Health Organization’s Guidelines for Drinking-water Quality explain that turbidity should ideally remain below 1 NTU to support effective disinfection. This is operational guidance, not a universal product specification. The WHO/UNICEF Joint Monitoring Programme reported that 2.2 billion people lacked safely managed drinking water in 2022. That figure gives water-quality monitoring real-world context.

This guide to China’s top 10 Turbidity Sensor manufacturers helps buyers compare suppliers against practical needs. A sensor beside a clear-water outlet faces different conditions from one installed in a muddy treatment-plant channel. Measurement range, optical design, automatic cleaning, calibration procedures, signal outputs, and local service support all deserve scrutiny. Small details matter. Manufacturer claims should be checked against datasheets, test methods, and documented application experience. The list is an editorial comparison, not an official certification or a guarantee of performance. No shortlist is perfect. Buyers should confirm that each model suits their water matrix, installation conditions, and maintenance capacity before ordering. A low purchase price can look attractive, yet a difficult-to-clean sensor may cost more in staff time and downtime. By focusing on verifiable specifications and operating realities, readers can make a more informed comparison of Chinese suppliers.

China Top 10 Turbidity Sensor Manufacturers
Table of Contents [Hide]
1 How Turbidity Sensors Measure Water Clarity
2 China’s Turbidity Sensor Manufacturing Landscape
3 Profiles of 10 Leading Turbidity Sensor Manufacturers in China
4 Comparing Sensor Technologies, Specifications, and Certifications
5 Applications and Considerations for Choosing a Chinese Supplier

How Turbidity Sensors Measure Water Clarity

Turbidity sensors estimate water clarity by measuring how suspended particles affect light. A small emitter sends light into the sample, while detectors record what happens next. In nephelometric instruments, a detector commonly measures light scattered at roughly 90 degrees. More particles usually create a stronger scattered-light signal. It is not magic. The instrument converts that signal into a turbidity value, often reported in NTU. Some designs also measure transmitted light, which weakens as particles block or absorb the beam. The exact method depends on sensor geometry and the water being tested.

A clear sample may produce a low reading. A cloudy sample with fine silt usually reads higher. Bubbles can scatter light too. Scratches, residue, or changing ambient light can also affect readings. Operators should rinse optical surfaces, remove trapped air, and compare results with suitable calibration standards. A single number does not identify particles or prove water is safe. Color, particle size, and settling can shift readings, sometimes in surprising ways. That deserves attention. For process monitoring, steady placement and consistent sampling matter as much as the detector. Even careful measurements have limits; field conditions rarely behave like a clean laboratory beaker.

How Turbidity Sensors Measure Water Clarity

Turbidity sensors estimate water cloudiness by detecting light scattered by particles. Formazin reference standards are used to calibrate and check instruments; the values below are example calibration points, not sensor readings.

Higher turbidity generally means more suspended particles and greater light scattering. Actual sensor response depends on the instrument design and calibration.

China’s Turbidity Sensor Manufacturing Landscape

China’s turbidity sensor manufacturing landscape is supported by a large water-monitoring and treatment sector. The Ministry of Ecology and Environment’s 2023 China Ecological Environment Status Bulletin reported that 89.4% of monitored surface-water sections met Grade I–III quality standards. This is useful context, not a direct measure of sensor sales. It points to the importance of dependable measurements across rivers, treatment works, and industrial discharge points.

Manufacturers typically combine optical components, probe housings, signal electronics, and calibration services. For buyers, the practical differences are often less visible than the product photos: check measurement range, response time, cleaning needs, and performance in colored or bubble-rich samples. ISO 7027-1 provides a recognized reference for turbidity measurement methods, but field conditions still matter. A clean laboratory reading may not survive a muddy intake line. That matters. China’s broad component supply can support varied specifications, though quality assurance and long-term calibration records need careful review. A real gap. Public data describe water quality and infrastructure more clearly than factory-level sensor output, so precise market-size claims should be treated cautiously.

China Top 10 Turbidity Sensor Manufacturers - China’s Turbidity Sensor Manufacturing Landscape

A non-ranked overview of ten common turbidity sensor product configurations relevant to the manufacturing landscape. The entries describe technologies and applications, not individual companies or brands.

No. Product configuration Measurement approach Typical application Key design consideration
1 Low-turbidity nephelometric sensor Measures light scattered by suspended particles, commonly at approximately 90° to the incident beam. Drinking-water treatment and filtered-water monitoring. Optical stability, stray-light control, and clean measurement surfaces are important at low turbidity.
2 Infrared nephelometric sensor Uses an infrared light source and scattered-light detection; infrared nephelometry is specified in ISO 7027-1 for applicable measurement methods. Water and wastewater process monitoring where an infrared measurement method is suitable. Optical geometry and calibration method affect comparability; the method should match the applicable procedure.
3 White-light nephelometric sensor Uses visible white light and scattered-light detection; U.S. EPA Method 180.1 is a recognized nephelometric method for applicable waters. Water testing and monitoring where measurement procedures call for a white-light method. Results from different optical methods may not be directly interchangeable without method-specific validation.
4 Insertion-type process probe A probe is installed through a tank wall or pipe fitting to measure turbidity in the process stream. Continuous monitoring in treatment plants and industrial water systems. Installation position, flow conditions, fouling, and access for maintenance influence performance.
5 ImmersIon Sensor An optical probe is submerged directly in a basin, tank, or channel. Clarifiers, reservoirs, wastewater channels, and other open or accessible vessels. Probe placement, bubbles, sediment accumulation, and cleaning access should be considered.
6 Flow-through sensor or analyzer A sample passes through a measurement cell with a controlled optical path. Online sample-stream monitoring in water treatment and laboratory or pilot systems. Sample flow, air bubbles, cell cleanliness, and representative sampling are key considerations.
7 Multi-angle or ratio turbidity sensor Combines signals from more than one optical angle or detector to support measurement across changing particle conditions. Applications with changing turbidity or particle characteristics, subject to the instrument’s validated range. Detector alignment, signal processing, and calibration across the intended range are important.
8 High-turbidity process sensor Uses an optical arrangement selected for more concentrated suspensions, often with attention to attenuation and multiple scattering. Wastewater, slurry, and process streams with substantial suspended solids. The specified range and calibration are application-dependent; heavy fouling and particle variation can affect readings.
9 Portable turbidity meter with probe A handheld meter reads a compatible probe or sample cell for field measurements. Field surveys, operational checks, and spot measurements. Portability, battery life, calibration workflow, and consistent sample handling matter.
10 Multi-parameter monitoring assembly Integrates a turbidity measurement with other water-quality sensors in a shared probe or monitoring system. Water-quality stations and treatment processes requiring several parameters at one location. Sensor compatibility, maintenance access, data integration, and calibration schedules should be planned together.

Note: This table is a technology and application overview, not a ranking of manufacturers or a set of product specifications. Measurement performance depends on the instrument, method, calibration, sample, and installation.

Profiles of 10 Leading Turbidity Sensor Manufacturers in China

China Top 10 Turbidity Sensor Manufacturers

Profiles of ten leading turbidity sensor manufacturers in China should help buyers compare capabilities, not just product claims. The market includes specialists in water-quality instruments and companies serving broader industrial monitoring needs. Their sensors may use different optical designs, housings, and signal outputs. Those choices affect performance in drinking-water plants, wastewater channels, and process lines. A useful profile should explain manufacturing experience, calibration practices, application support, and the conditions each sensor is designed to handle.

When comparing manufacturers, check the measurement range, accuracy, response time, and cleaning requirements. Ask whether the sensor suits a tank, an open channel, or a pressurized pipeline. Check connector types and output options, too. They matter during installation. Request calibration records and test data from water conditions similar to yours. A polished brochure is not proof of field reliability; honestly, published specifications can be difficult to compare when test methods differ. Look for clear documentation and responsive technical support.

Tips: Ask for a sample report and confirm how often calibration is recommended. Inspect wetted materials for compatibility with your water chemistry. If possible, run a trial beside a trusted reference instrument. Small differences can reveal fouling, bubbles, or installation problems. Don’t skip the site check.

Comparing Sensor Technologies, Specifications, and Certifications

When comparing turbidity sensor manufacturers in China, start with measurement principle, not price. Nephelometric sensors detect scattered light, often at 90 degrees, and suit low-to-moderate turbidity monitoring. Transmission or attenuation designs can handle heavier suspended solids, though bubbles and water color may distort readings. Some instruments combine angles. That helps, but does not remove sampling errors. Check range, resolution, accuracy, response time, and calibration method against your water conditions.

Look beyond headline accuracy. Ask whether the figures apply across the full range and whether tests used formazin or another traceable reference. A 0–1,000 NTU range may sound versatile, yet a process near 2 NTU needs dependable low-end resolution. Review wetted materials, temperature limits, ingress protection, cleaning options, and cable length. An outdoor settling tank creates different demands than a laboratory bench. For certifications, request current certificates and check their scope. ISO 9001 concerns quality management; it does not prove measurement accuracy. Some documents are incomplete.

Tips: Send suppliers a sample-water profile, expected range, installation sketch, and maintenance interval. Request calibration records and test reports, then compare readings using your own sample. Compare like with like. If readings disagree, inspect bubbles, fouling, and sampling technique before blaming the sensor.

Applications and Considerations for Choosing a Chinese Supplier

Turbidity sensors serve different jobs across drinking-water treatment, wastewater discharge, rivers, and industrial process lines. A raw-water intake may face sudden sediment spikes after rain, while a final filter needs stable low-range readings. The WHO Guidelines for Drinking-water Quality (2022) identify turbidity below 1 NTU as a practical goal for effective disinfection. For conventional and direct filtration, the U.S. EPA’s Long Term 2 Enhanced Surface Water Treatment Rule sets a stricter benchmark: combined filter effluent must be at or below 0.3 NTU in at least 95% of monthly measurements, and must not exceed 1 NTU. These figures are not universal Chinese specifications, but they show why range, resolution, and response time matter.

When comparing Chinese suppliers, ask for calibration records, repeatability data, and test results across the actual sample range—not just a clear-water demonstration. Check whether the optical design handles bubbles, color, and fouling; a sensor beside a muddy channel needs different protection from one in a clean laboratory line. Confirm materials, cable length, cleaning method, spare-part availability, and support across time zones. Request a trial using your own water. Small details count. A low purchase price can be offset by frequent manual cleaning or drift between calibrations. One imperfect but useful question is how often readings disagree with the plant’s grab samples. The answer may reveal more than a polished specification sheet.

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