4~20mA Two-Wire Dissolved Oxygen Sensor
Product Instruction
FDO-99 dissolved oxygen analyzer for waste water treatment is the product which is specially designed for the water environment monitoring and sewage treatment. It adopts the advanced fluorescence quenching principle and accurate phrase detection technology and innovative packaging process, which makes its reliability and service life leading the rival product greatly. Its unique characteristics of long-term low drift and maintenance-free make the product surpass and take the place of traditional membrane electrode completely.
Technology parameter
Transmitter:
Dimensions: 210/105/185mm, L/ W/ H
Weight: 1.5 kg (standard)
Operating temperature: 0 ~50 C, avoid direct sunlight
Relative humidity: 5% - 90% (non-condensing)
Protection: Polycarbonate enclosure, IP65
Power supply: 24VDC or 220VAC, 10W
Analog output: 4 - 20mA output (dissolved oxygen values or saturation) circuit load500 ohms; Optional temperature 4 - 20mA output
Relay outputs: 4-channel alarm relay and 1-channel cleaning relay output,
Electric shock capacity 250VDC, 3A
Field display: 240 * 160 backlit LCD (optional)
Digital interface: RS232 or RS485
Sensor:
Measurement range: DO: 0 ~20 mg / l or 0~ 20ppm, Air saturation: 0 - 120%
Resolution: ± 0.01mg / l
Measurement Accuracy: ± 0.2mg / l or ± 1% FS
Response time: Less than 6 0 seconds(T90)
Temperature sensor: Detection range 0 - 50 C
Resolution ± 0.1 C
Accuracy ± 0.5 C
Operating temperature: 0 ~50 C
Storage temperature: - 40~80 C
Installation depth: 0 - 20m
pH range: 2 - 12pH
Salinity range: 40ppt (highest)
Chemical adaptability: Methanol and ethanol safety, avoid other organic solvents
Calibration: Single-point or two-point calibration, using oxygen-free water
And air, respectively. Factory has calibrated, so it generally needs no calibration.
Anti-interference: Not interfered with the following substances: H2S, CO2, NH3, SO4, Cl-, CLO2, MeOH, EtOH, etc.
Measurement foil: Polyester embedded ruthenium metal phosphors
Light blocking layer: Teflon
Foil lifetime: 3 years (10 seconds measurement interval)
Sensor shell: 316L
Size: Φ62 × 150mm
Weight: 800g
Power supply: 5VDC, provided by the transmitter.
Sensor cable: Standard 8 meters
Welcome to our factory.
Yantai dongrun Instrument Co., Ltd. Was founded in 1998, specializes in manufacturing online water quality analysis equipment, material level meters, pressure gauges, flow meters, special temperature gauges and laboratory analysis equipment. Our company cooperate with the Chinese Academy of Sciences to build a water analysis laboratory, and the main products are TOC analyzer, ammonia analyzer, fluorescence oxygen analyzer, etc. We have passed the ISO9001 certification and has a professional R & D team, providing technical support to meet customer demand, particularly in the anti-corrosion, our company has a unique technology to meet different conditions of corrosion requirements.
Contact Information:
Telephone: 0086 15054520676
Website: www.cndongrun.com
Yantai dongrun Instrument Co., Ltd. Was founded in 1998, specializes in Manufacturing online water quality analysis equipment, material level Meters, pressure gauges, flow meters, special temperature gauges and Laboratory analysis equipment. Our company cooperate with the Chinese Academy of Sciences to build a water analysis laboratory, and the main Products are pH/ORP analyzer, Turbidity analyzer, TOC analyzer, Ammonia analyzer, fluorescence oxygen analyzer, etc. We have passed the ISO9001 certification and has a professional R & D team, providing Technical support to meet customer demand, particularly in the Anti-corrosion, our company has a unique technology to meet different Conditions of corrosion requirements.
