PWN-830C Portable COD Ammonia Nitrogen Total Nitrogen Water Quality Analyzer

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PWN-830C Portable COD Ammonia Nitrogen Total Nitrogen Water Quality Analyzer

Product ID：HSYAad039

Price: Please inquire PDF Format

Supply Ability:50 SETS/MON

Port:SHENZHEN

Product Introduction
Other information

Model NumberPWN-830C

Brand NameSZCHANGHONG

Payment TermsTT，PAYPAL，Alibaba.com Pay

PWN-830C Portable COD Ammonia Nitrogen Total Nitrogen Water Quality Analyzer
Product Introduction
The PWN-830C Portable COD Ammonia Nitrogen Total Nitrogen Water Quality Analyzer is a handheld water quality testing instrument designed for rapid field analysis of COD, ammonia nitrogen and total nitrogen. The system consists of a portable measurement unit and a separate digestion unit, providing convenient operation without compromising measurement accuracy.
The PWN-830C uses a cold light source and narrow-band interference optical system for stable photometric measurement. Its high-performance, ultra-low-power 16-bit microcontroller provides long standby operation, while built-in data protection prevents stored measurements from being lost during power failure.
With an IP65-rated ABS housing, rechargeable/portable operation, USB connectivity and automatic PID temperature control, this portable COD analyzer is suitable for environmental monitoring, wastewater treatment, universities and research institutions.

Performance Features
•  Three-parameter water quality analysis: Measures COD, ammonia nitrogen and total nitrogen.
•  Separate digestion and measurement: The digestion unit is separated from the analyzer to help maintain measurement accuracy.
•  Automatic PID temperature control: Digestion temperature is automatically controlled and timed for convenient operation.
•  Stable optical system: Cold light source and narrow-band interference optical system provide excellent optical stability.
• Low-power electronics: High-performance ultra-low-power 16-bit microcontroller provides a standby time of more than 6 months.
•  Time-saving operation: Portable handheld design simplifies routine water quality testing.
•  Data protection: Measurement data is retained even after power failure.
•  Large data storage: Stores up to 50 standard curves and 500 measurement records.
•  Detailed records: Measurement records include date/time, absorbance and transmittance.
•  USB connectivity: Connects to a computer for data reading and record management; stored data can also be printed.
•  IP65 protection: Molded ABS housing provides good resistance to water and dust.
•  Portable design: Compact measurement and digestion units are convenient for field wastewater testing.

Working Principle
The PWN-830C uses photometric/colorimetric analysis to determine the concentration of selected water quality parameters.
For COD, ammonia nitrogen and total nitrogen analysis, the sample is first processed using the dedicated digestion unit when required by the test method. The digestion unit uses PID automatic temperature control and timing to provide stable digestion conditions.
After sample preparation, the measurement unit uses a cold light source and narrow-band interference optical system to measure the optical response of the sample. The absorbance or transmittance is compared with the corresponding standard curve, allowing the instrument to calculate the concentration of COD, ammonia nitrogen or total nitrogen.
The separate digestion and measurement design helps prevent heat generated during digestion from affecting the optical measurement system.

Technical Parameters

Parameter	Specification
Instrument Name	Portable Water Quality Analyzer
Model	PWN-830C
Measurement Parameters	COD, Ammonia Nitrogen, Total Nitrogen
COD Range	0–2000 mg/L
Ammonia Nitrogen Range	0.02–25 mg/L
Total Nitrogen Range	0.05–100 mg/L
COD Indication Error	≤±5% F.S.
Ammonia Nitrogen Indication Error	≤±3% F.S. or 0.2, whichever is greater
Total Nitrogen Indication Error	≤±5% F.S.
COD Chloride Interference Resistance	≤2000 mg/L
Repeatability	≤±3%
Optical Stability	≤0.002 A/20 min
Standard Curve Storage	50 curves
Measurement Data Storage	500 records
Data Record Information	Date/time, measurement value, absorbance and transmittance
Data Interface	USB
Housing Material	Molded ABS
Protection Rating	IP65
Measurement Unit Dimensions	80 × 230 × 55 mm
Digestion Unit Dimensions	105 × 160 × 90 mm

Application Scenarios
Environmental Monitoring
The PWN-830C is suitable for field water quality monitoring, allowing environmental monitoring personnel to quickly determine COD, ammonia nitrogen and total nitrogen levels.
Wastewater Treatment
The portable COD analyzer can be used for routine monitoring of wastewater treatment processes, helping operators evaluate organic pollution and nitrogen-related water quality indicators.
Industrial Wastewater
Suitable for water quality testing in industries where COD, ammonia nitrogen and total nitrogen monitoring is required.
Universities and Research Institutions
The compact design and multiple measurement parameters make the PWN-830C suitable for laboratory teaching, environmental research and field sampling analysis.
Field Water Quality Testing
The IP65 housing, portable measurement unit and separate digestion unit make the instrument suitable for on-site water quality analysis where laboratory equipment is inconvenient to use.

PWN-830C vs. Conventional Single-Parameter Water Quality Tester

Feature	PWN-830C Portable Water Quality Analyzer	Conventional Single-Parameter Tester
Measurement Parameters	COD + Ammonia Nitrogen + Total Nitrogen	Usually one parameter
COD Range	0–2000 mg/L	Depends on model
Digestion Unit	Separate dedicated unit	Often unavailable or integrated
Temperature Control	PID automatic control	Depends on model
Optical System	Cold light + narrow-band interference	Varies
Standard Curve Storage	50 curves	Usually limited
Data Storage	500 records	Varies
USB Data Transfer	Yes	Varies
Data Protection	Yes	Varies
Housing Protection	IP65	Varies
Field Use	Excellent	Depends on model

FAQ
1. What parameters can the PWN-830C measure?
The PWN-830C measures COD, ammonia nitrogen and total nitrogen in water samples.
2. What is the COD measurement range?
The COD measurement range is 0–2000 mg/L, with an indication error of ≤±5% F.S.
3. Can the PWN-830C measure ammonia nitrogen?
Yes. The ammonia nitrogen measurement range is 0.02–25 mg/L, with an indication error of ≤±3% F.S. or 0.2, whichever is greater.
4. What is the total nitrogen measurement range?
The total nitrogen range is 0.05–100 mg/L, with an indication error of ≤±5% F.S.
5. Why is the digestion unit separate from the analyzer?
The separate digestion and measurement design helps prevent the digestion process from affecting measurement accuracy and allows the measurement unit to remain independent from the heating process.
6. How many measurement records can be stored?
The PWN-830C can store up to 500 measurement records, including date/time, measurement value, absorbance and transmittance.
7. Can data be transferred to a computer?
Yes. The instrument has a USB interface for connecting to a computer to read and manage stored records. The stored data can also be printed.
8. Is the PWN-830C suitable for field use?
Yes. The compact handheld measurement unit, IP65 ABS housing and separate digestion unit make it suitable for environmental monitoring and field wastewater testing.

Why Choose PWN-830C?
The PWN-830C portable COD ammonia nitrogen total nitrogen water quality analyzer combines three important water quality measurements in one compact system. Its separate digestion unit, PID temperature control, stable cold-light optical system, IP65 protection and USB data management make it suitable for both field testing and routine wastewater analysis.
For environmental monitoring and wastewater treatment applications requiring COD, ammonia nitrogen and total nitrogen testing, the PWN-830C provides a practical combination of portability, measurement stability and data management.

FAQ
1. What parameters can the PWN-830C measure?
The PWN-830C measures COD, ammonia nitrogen and total nitrogen in water samples.
2. What is the COD measurement range?
The COD measurement range is 0–2000 mg/L, with an indication error of ≤±5% F.S.
3. Can the PWN-830C measure ammonia nitrogen?
Yes. The ammonia nitrogen measurement range is 0.02–25 mg/L, with an indication error of ≤±3% F.S. or 0.2, whichever is greater.
4. What is the total nitrogen measurement range?
The total nitrogen range is 0.05–100 mg/L, with an indication error of ≤±5% F.S.
5. Why is the digestion unit separate from the analyzer?
The separate digestion and measurement design helps prevent the digestion process from affecting measurement accuracy and allows the measurement unit to remain independent from the heating process.
6. How many measurement records can be stored?
The PWN-830C can store up to 500 measurement records, including date/time, measurement value, absorbance and transmittance.
7. Can data be transferred to a computer?
Yes. The instrument has a USB interface for connecting to a computer to read and manage stored records. The stored data can also be printed.
8. Is the PWN-830C suitable for field use?
Yes. The compact handheld measurement unit, IP65 ABS housing and separate digestion unit make it suitable for environmental monitoring and field wastewater testing.