Online Ammonia Nitrogen analyzer

1.Online Ammonia Nitrogen analyzer principle

Online Ammonia Nitrogen analyzer is used to monitor the ammonia nitrogen content in water and is widely used in real-time monitoring of wastewater, aquaculture, and river water.In an alkaline medium (pH=11.7), ammonia and ammonium ions in the sample react with hypochlorite released from sodium dichloroisocyanurate solution to form chloramine; under the presence of 40°C and sodium nitroferrocyanide, chloramine reacts with salicylate to form a blue-green compound, and absorbance is measured with a spectrophotometer at a specific wavelength.

2.Product features of Online Ammonia Nitrogen analyzer

The new optoelectronic quantitative technology is not affected by interference such as large chromaticity, many suspended objects, and many bubbles.It has high reliability and accuracy and strong anti-interference ability.

High detection accuracy, low measurement limit, and low long-term drift of the instrument.

It has one-click self-test function and self-diagnosis function.

It adopts a single-channel high-integrated valve set, making maintenance and cleaning simple and fast.

All-weather networking function, monitoring the operating status of the instrument anytime and anywhere.

It has alarm function, quality control function and counter control function.

It has automatic cleaning function and automatic calibration function.

It has full-point measurement, interval measurement and external control measurement.

It works automatically after power failure recovery.

Automatic prompts and automatic reset functions for faults and reagents (samples).

It has fault logging function.

Can save historical data for more than 3 years.

Satisfies the separation of cleaning liquid and waste liquid

3.Online Ammonia Nitrogen analyzer technical parameters

Measurement method: HJ536-2009 Water quality ammonia nitrogen-salicylic acid spectrophotometry (Nerth's method can be customized)

Measuring range: 0-2 mg/L; 0-10 mg/L; 0-50 mg/L; range can be customized

Display error: ≤±3% detection limit: 0.01mg/L

Repeatability: ≤±2% Waste liquid volume: 6mL/time

Memory effect: ≤±3%Real water sample comparison: ±8%

Constant temperature time: 360 seconds Voltage stability: ≤±5%

Measurement cycle: 30 minutes Calibration cycle: any specified time

Maintenance cycle: ≥720h/time Maintenance workload: <2 hours/month

Reagent consumption: 3 months/500ml display output: configured with a 10.1-inch color LCD touch screen

Color rendering temperature: The recommended temperature is 45℃, which can be set according to the actual water sample condition

Data export: The measured value can be imported into the USB drive and saved in the USB drive.

Signal output: RS485/RS232/USB interface/standard 2-channel 4-20mA output/standard two-channel switching input and output

Environmental requirements: Indoors with controllable temperature, recommended temperature (5-28℃), humidity ≦90% (no condensation)

Power supply and power: (220V±22) V/AC, (50±0.5Hz), 5A, 150W

Instrument size: upper cabinet 600*450*300mm; upper cabinet 700*450*300mm