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Online Ammonia Nitrogen analyzer

Model No:AND-2000

APPLICATIONS:Environmental pollution source monitoring/Industrial process water monitoring/Municipal sewage monitoring/Wastewater treatment plant monitoring

PRINCIPLE:Nessler’s reagent method

Products Categories

Features

  • Advanced sequential injection platform with reduced number of components, simple structure and easy troubleshooting.
  • High-precision and stable injection pump with non-contact liquid quantification design, less water consumption for high-range dilution, and short dilution time.
  • Ten-way valve flow path using laser micro-engraving technology, accurately controlling the size and positioning of the grooves, and using sapphire material for the valve core with ultra-high corrosion and wear resistance, long service life, and good stability.
  • Integrated quartz digestion/colorimetric unit, not easily contaminated, and with high absorbance resolution.
  • Imported cold light source, no preheating required, and with a life span of up to 100,000 hours.
  • Innovative process and algorithm effectively eliminate turbidity interference, and the monitoring results are true and reliable.
  • Optimized masking agent formula with strong anti-interference ability against impurity ions.
  • Liquid reagents do not require low-temperature storage and can be stored at room temperature for more than 30 days.
  • Power-off protection design to prevent data loss, and automatic recovery of working status when power is restored.
  • Low comprehensive operation and maintenance cost for trace-level reagents and waste liquids.
  • Intelligent fault alarm and automatic reset to avoid abnormal rotation of the instrument.
  • Automatic verification and judgment function to meet the requirements of new standards.
  • Customizable development of special functions and services to ensure user-friendly and humanized operation.

Technical parameters

Measurement range 0~10/20/50/100 mg/L, and the measuring range can be customized according to customer requirements
Repeatability ≤2%
Indication error 0-10 measuring range, ±8% for 20% F.S, ±5% for 50% F.S, and ±3% for 80% F.S;
10-100 measuring range, ±3% for 50% F.S;
24h low-concentration drift ≤0.02mg/L
24h high-concentration drift ≤1%
Quantitative lower limit ≤0.15mg/L
Resolution 0.01mg/L
Maintenance period one month
Measurement mode immediate measurement/periodic measurement/cyclic measurement/external signal triggered measurement
Standard solution verification immediate verification/automatic verification/external signal triggered verification
Instrument calibration automatic/manual calibration, calibration cycle and time can be set
Automatic cleaning cleaning cycle can be set
Data storage 3 years of data storage
Measurement period 30 minutes
Analog output 2 channels of 4-20mA output
Digital output 1 channel of RS232/RS485
Power requirements AC220±10%V, 50±10%Hz, 10A; power consumption less than 100W
Operating temperature (5~40)℃
Environmental humidity ≤90%RH
Dimensions 700mm(H) x 500mm(W) x 400(D)mm without pre-processing system cabinet
Weight less than 30kg, without pre-processing system cabinet.
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