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KFDO300 online fluorescence dissolved oxygen analyzer

KFDO300 online fluorescence dissolved oxygen analyzer is an online water quality analyzer based on OSA optical water quality analysis platform. The integrated design adopts the most advanced oxygen sensing technology of fluorescence quenching method, the design concept of digital and intelligent analyzer, integrates the temperature detection and realizes the functions of automatic temperature compensation and digital signal conversion inside the instrument. RS485 signal output, easy networking, and system integration, widely used in surface water, pollution sources and other industries.

KFDO300 online fluorescence dissolved oxygen analyzer is an online water quality analyzer based on OSA optical water quality analysis platform. The integrated design adopts the most advanced oxygen sensing technology of fluorescence quenching method, the design concept of digital and intelligent analyzer, integrates the temperature detection and realizes the functions of automatic temperature compensation and digital signal conversion inside the instrument. RS485 signal output, easy networking, and system integration, widely used in surface water, pollution sources and other industries.

1)    Characteristics of fluorescence dissolved oxygen analyzer

Integrated design, anti-electromagnetic interference

Built-in temperature sensor, real-time temperature compensation Support salinity and air pressure compensation

Stainless steel case, IP68 waterproof grade, suitable for various working conditions

RS485 signal output, Standard Modbus protocol, easy integration, networking

2)    Technical Specifications

Model KFDO300
Measurement parameter Dissolved oxygen, temperature
Method of measurement Fluorescence quenching
Measurement mode Immersion measurement
Measuring range Do: (0 ~ 20) mg/L or (0 ~ 200)%
Temperature: (0 ~ 60) °C
Accuracy ± 0.3 mg/L
Repeatability ± 0.3 mg/L
Resolution 0.01 MGL
Response time ≤60s
Zero Drift (24h) ± 0.3 mg/L
Range Drift (24h) ± 0.3 mg/L
Accuracy of temperature compensation ± 0.3 mg/L
Calibration period Six months
Temperature range (0 ~ 60) °C
Protection level IP68
MTBF ≥1440h/Time
Means of communication RS485(Modbus RTU), maximum baud rate 115200 bps

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