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PUVNO3-900 China Wholesale Factory Spectrometer Online Nitrate Nitrogen Analyzer Sensor And Transmitter Nitrate NO3 Water Quality Testing

PUVNO3-900 nitrate analyzer, spectroscopic nitrate online analyzer, online nitrate nitrogen sensor, water quality testing transmitter, no-reagent nitrate detector, RS485 nitrate analyzer, wireless nitrate monitoring sensor, sewage nitrate tester, drinking water nitrate detector
Probest is an ISO certificated manufacturer, focus on developing and making Dissolved Oxygen Meter, Do Sensor, UVCOD BOD sensor, NH4H Sensor, Turbidity Sensor, Residual Chlorine Analyzer, Turbidity Meter ect.. Give both of us a chance to have a reliable partner with assured quality, competitive price. Have more choices for your customers.

Our main advantages:
1. 30+ R & D personnel to keep us moving together
2. Many patents & software copyrights to ensure products meet markets
3.100% inspection & test ensure quality
4. Fast delivery
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Should you require any further information or assistance please do not hesitate to contact us. Speical period, please take care of yourself.

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Availability:
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PUVNO3-900 Spectroscopic Nitrate Online Analyzer | China Wholesale Factory Spectrometer Online Nitrate Nitrogen Analyzer Monitoring Sensor And Transmitter for Water Quality Testing

 

Product Overview
The PUVNO3-900 Spectroscopic Nitrate Online Analyzer is a high-performance water quality testing device independently developed by our China wholesale factory. As a professional spectrometer online nitrate nitrogen analyzer sensor and transmitter, it is dedicated to accurate and real-time detection of nitrate (NO₃⁻) and nitrate nitrogen (NO₃-N) in various water bodies. The device covers a wide measurement range to meet the testing needs of different water quality scenarios:
  • NO₃⁻: 0.5–400.0mg/L (1mm optical path), 0.5–200mg/L (2mm optical path)

  • NO₃-N: 0.1–100.0mg/L (1mm optical path), 0.1–50mg/L (2mm optical path)


Measurement Principle
The core principle of the PUVNO3-900 Spectroscopic Nitrate Online Analyzer is based on ultraviolet absorption spectroscopy. Nitrate ions (NO₃⁻) have a specific absorption peak at 210 nm UV light. When the spectroscopic NO3 probe is in operation, the water sample flows through the built-in slit. The light emitted by the light source inside the probe passes through the slit, and part of the light is absorbed by the nitrate in the flowing sample, while the unabsorbed light penetrates the sample and reaches the detector on the other side of the probe. The instrument calculates the concentration of nitrate in the water sample based on the degree of light absorption, ensuring fast and accurate measurement results.


Product Features

  1. Direct Immersion Measurement:The PUVNO3-900 Spectroscopic Nitrate Online Analyzer adopts probe direct immersion measurement mode, eliminating the need for complex sampling and pre-processing procedures, and realizing in-situ continuous monitoring of water quality.

  2. Environmentally Friendly & No Secondary Pollution:The whole detection process does not require any chemical reagents, avoiding reagent consumption and secondary pollution to water bodies, and complying with green environmental protection testing standards.

  3. Fast Response & Real-time Monitoring:With short response time, the device supports 24/7 continuous measurement, and can timely feedback the dynamic changes of nitrate concentration in water bodies.

  4. Automatic Cleaning & Low Maintenance:The sensor is equipped with an automatic cleaning function, which can effectively reduce the adhesion of impurities on the probe surface, lower the frequency of manual maintenance, and extend the service life of the device.

  5. Multiple Protection Functions:The sensor has positive and negative reverse connection protection for power supply, as well as protection for RS485 A/B terminal connection to power supply, avoiding device damage caused by incorrect wiring and improving the stability and reliability of operation.

  6. Optional Wireless Data Transmission:The device can be equipped with a wireless data transmission module according to user needs, supporting remote data transmission and management, and facilitating centralized monitoring of multiple monitoring points.


Applications

The PUVNO3-900 Spectroscopic Nitrate Online Analyzer is widely applicable to various water quality monitoring scenarios, including:
  • Drinking water, surface water, groundwater, and industrial production process water

  • Sewage treatment plants, especially for continuous monitoring of nitrate concentration in sewage aeration tanks and precise control of the denitrification process in biological treatment




 

PUVNO3-900 Spectroscopic Nitrate Online Monitoring Technical Specifications

Measuring Range

NO3-: 0.5-400.0mg/L(1mm optical path),0.5-200mg/l (2mm optical path)

NO3N: 0.1-100.0mg/L(1mm optical path),0.1-50mg/l (2mm optical path)

Accuracy

±5%

Repeatability

± 2%

Resolution

0.01 mg/L

Pressure range

≤0.4Mpa

Sensor material

Body:SUS316L (fresh water),Titanium alloy (marine);Cable:PUR

Power Supply

AC:85-500VAC; DC:9-36VDC

Output

3-way 4-20mA

Relay

Three-way relays, programmed parameter & value response

Communication protocol

MODBUS RS485

Storage temperature

-15-50

Measuring temperature

0-45(Non-freezing)

Dimensions

Sensor:Diam69mm*Length 365mm

Transmitter:145*125*162mm(L*W*H)

Weight

Sensor:3.2KG;Transmitter:1.35KG

Protective rate

Sensor:IP68/NEMA6P;Transmitter:IP66/ NEMA4X

Cable length

Standard:10M,the maximum may be extended to 100m

Product Description

PUVCOD 900-2PUVCOD 900-7PUVCOD 900-8

 

 

 

 

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ABOUT US

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EXHIBITION

WX20250210-1533222x_1000

PRODUCTION PROCESS

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CERTIFICATE

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PACKAGE & SHIPMENT

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FAQ

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