Online Ammonia Nitrogen Monitor

The Online Ammonia Nitrogen Monitor is a professional water quality analysis instrument tailored for real-time detection of ammonia nitrogen content in various water bodies. Equipped with advanced analytical technology and user-friendly design, it delivers reliable performance, low operational costs, and simplified operation, making it widely applicable in both laboratory and on-site monitoring scenarios.

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Performance Features

Leading Analytical Technology

Adopts leading flow analysis technology and a safe, convenient analytical method to ensure accurate and efficient detection.

Automatic Enrichment Function

Equipped with an automatic enrichment function, enabling an ultra-wide measurement range of 0.05mg/L - 1500mg/L to meet diverse monitoring needs.

Easy Reagent Preparation

The reagents used are non-toxic, including only dilute NaOH and distilled water containing acid-base indicators, allowing for easy preparation without complex procedures.

Low Cost

Features extremely low operational and maintenance costs, significantly reducing the overall usage burden for users.

Simplified Instrument Design

The gas-liquid separator eliminates the need for cumbersome and expensive pretreatment devices for samples. Additionally, there is no requirement for instrument cleaning, making it one of the most simplified instruments among similar products currently available.

User-Friendly Operation

For samples with ammonia nitrogen concentration > 0.2 mg/L, ordinary distilled water can be used as the reagent solvent, greatly enhancing operational convenience.

Typical Applications

Rapid on-site and laboratory online analysis of ammonia nitrogen content in river and lake water, tap water, discharged wastewater, high-concentration sewage, and various solutions. It is capable of measuring both very low and very high concentrations of ammonia nitrogen.

Technical Specifications

Item	Specification
Method Basis	Salicylic Acid Spectrophotometric Detection
Measurement Range	0-300 mg/L Ammonia Nitrogen (Divided into ranges: 0-10mg/L; 10-150mg/L; 10-300mg/L)
Indication Error	When ≥0.2 mg/L, no more than ±10%; When <0.2 mg/L, no more than ±0.02 mg/L
Repeatability	No more than ±3%
Stability	No more than ±10% within 24 hours
Measurement Cycle	Minimum measurement cycle is 30 minutes; Chromogenic time can be adjusted arbitrarily from 5 to 120 minutes according to on-site conditions
Sampling Cycle	Time interval (adjustable arbitrarily from 10 to 9999 minutes) and on-the-hour measurement mode
Calibration Cycle	Adjustable at any interval from 1 to 99 days and at any time
Output	4~20mA (2 channels), RS232, RS485
Environmental Requirements	Indoor with adjustable temperature, recommended temperature +5～28℃; Humidity ≤90% (no condensation)
Power Supply	AC220±10% V, 50±10% Hz, 5 A
Dimension	800 mm (H) × 430 mm (W) × 300 mm (D)
Others	1. Abnormal alarm and power failure will not lose data; 2. Touch screen display and command input; 3. After abnormal reset and power recovery, the instrument automatically discharges residual reactants inside and resumes work automatically.

Working Principle

After the water sample is mixed with a masking agent, ammonia nitrogen present in forms such as free ammonia or ammonium ions reacts with a salicylic acid chromogenic reagent in an alkaline environment and in the presence of a sensitizer to form a colored complex. The analyzer detects the change in color and converts this change into an ammonia nitrogen value for output. The amount of colored complex formed is equivalent to the amount of ammonia nitrogen.

If you need more details about the Online Ammonia Nitrogen Monitor or wish to discuss customization and ordering, please contact our professional team. We are committed to providing you with high-quality products and satisfactory technical support.

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Stable equipment

Mature technology

Automated operation

Simple operation

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