Botao DPD reagent method residual chlorine online analyzer, using DPD colorimetric method, measuring range 0-5.00mg/L, accuracy 5% measurement value or; 0.03mg/L。 Supports 4-20mA output and RS485 communication, 7-inch touch screen operation, with a measurement interval of 120-86400 seconds, and a single measurement of about 180 seconds. Equipped with automatic calibration, data storage and export functions, suitable for chlorine disinfection and residual chlorine monitoring in drinking water pipe networks, wall mounted installation, and easy maintenance.
ShanghaiBotuo DPD reagent method residual chlorine online analyzer, is a professional residual chlorine monitoring device based on the national standard DPD colorimetric method, designed specifically for monitoring the chlorine disinfection process and controlling the residual chlorine concentration in drinking water pipe networks. With high precision, automation, and convenient operation and maintenance advantages, it has become the preferred monitoring device for the water supply industry, sewage treatment plants, and other scenarios.
Measurement parameters and accuracyThe measurement range is fixed at 0-5.00mg/L (ppm), suitable for common residual chlorine concentration ranges such as drinking water and disinfected wastewater; The accuracy can reach ± 5% of the measured value or ± 0.03mg/L (ppm) (whichever is higher), with a resolution of 0.01mg/L (ppm), which can accurately capture small concentration changes, such as being able to clearly distinguish the difference in residual chlorine between 0.02mg/L and 0.03mg/L, ensuring that the data reliability meets environmental monitoring and water quality control standards.
Measurement efficiency and flexibilityThe single measurement time is about 180 seconds, balancing accuracy and efficiency; The measurement interval supports custom settings ranging from 120 seconds to 86400 seconds (1 second to 24 hours), with a default of 600 seconds (10 minutes) at the factory. It can be adjusted according to actual needs, such as setting short interval high-frequency monitoring during peak chlorine disinfection periods and long interval to reduce redundant data during stable periods, and flexibly adapting to different working conditions.
Convenient operation experienceEquipped with a 7-inch color LCD touch screen, the interface is presented in Simplified Chinese and divided into five sections: main page, measurement system, calibration, historical data, and user login. It intuitively displays measurement values, operating status, communication status, and other information; Supports two measurement modes: automatic and manual. In automatic mode, periodic monitoring is possible without manual intervention, while manual mode is convenient for on-site emergency testing or calibration verification.
Intelligent function supportEquipped with automatic calibration function, supporting regular immediate calibration and offset correction calibration (recommended for immediate calibration after long-term disuse, offset correction calibration for daily maintenance, more efficient); Built in data storage function, capable of recording measurement data, calibration data, and alarm logs, supporting USB data export, facilitating subsequent report generation and data traceability; Simultaneously equipped with 2 relay contacts, high/low alarm points can be set with alarm hysteresis, alarm power ≤ 5A/250V AC or 5A/30V DC, timely triggering reminders when residual chlorine exceeds the standard to avoid water quality risks.
Structure and SizeThe body size is 450mm540mm250mm in lengthhighDeep), weighing 24kg (excluding reagents), adopting wall mounted installation design to save ground space; M4 bolts should be used to fix the display screen during installation, ensuring that it is visually level for easy operation and reading; It is recommended to install within 2-3 meters of the sampling point to reduce water sample transmission delay and ensure real-time data.
Pipeline and electrical connectionThe water sample inlet is divided into 2 pipes (1/4 ', outer diameter 6.4mm), and the outlet and waste discharge outlet are divided into 3 pipes (3/8', outer diameter 9.5mm), with a quick interface design that can be connected by inserting the pipes. It is recommended to use opaque pipes to prevent moss growth; The electrical connection needs to be operated by professionals, equipped with (100-240) V AC, 50/60Hz wide voltage power supply, pre installed power cord at the factory, and supports 4-20mA analog output (Max.500 Ω) and RS485 Modbus RTU digital communication. It can seamlessly connect with PLC, data acquisition platform or environmental monitoring system to achieve remote monitoring.
Reagent configuration and dosageTwo specialized reagents are required - DPD-01 buffer solution (factory pre configured, ready to use) and DPD-02 indicator solution (DPD-02B powder is dissolved in DPD-02A solution on site, and after mixing, the effective period is about 30 days at 25 ℃); The reagent specification is 1Lx2, with a total weight of approximately 2.2kg, and can support about 5000 measurements. The cost of a single measurement reagent is low, reducing long-term operation and maintenance expenses.
Key points of daily maintenanceRegularly check the remaining amount of reagents, replace them promptly if they are insufficient, and wash your hands thoroughly after replacement (reagents are corrosive); Check the cleanliness of the measuring tank every month, and clean it with a soft bristled brush when it is dirty. Stubborn dirt can be treated with 5% XI hydrochloric acid; Replace the peristaltic pump tubing every 6 months (the replacement cycle needs to be shortened in high temperature environments), and replace the reagent tubing annually; The instrument is equipped with 1A/250V AC standard fuses, which can be replaced by professionals when blown. The overall maintenance process is simple and does not require complex technical background.
Core application areasWidely applicable for monitoring the chlorine disinfection process in water plants, controlling residual chlorine in secondary water supply facilities, tracking residual chlorine along drinking water pipelines, and detecting residual chlorine in disinfected effluent from sewage treatment plants, helping enterprises meet regulatory requirements such as the "Sanitary Standards for Drinking Water" and ensuring water quality safety.
Professional after-sales serviceProvide detailed product user manuals to guide installation, operation, and maintenance; The after-sales team can provide technical support to assist in solving equipment debugging and troubleshooting problems; The quality of the core components of the instrument is reliable. If you need to return it to the factory for repair, you can contact Shanghai Botuo Instrument Co., Ltd. or local distributors to ensure the long-term stable operation of the equipment
Choose Shanghai Botuo CLG-2060DPD residual chlorine online analyzer to make residual chlorine monitoring more accurate, efficient, and worry free, and to safeguard water quality safety!
