Product Introduction
Series FDO-99 fluorescence method dissolved oxygen analyzer, 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.
Feature
1No need to replace solid electroder film/ electrolyte
2.No flow speed/ agitation requirement
3.More higher resolution and measurement accuracy
4.Stable measurement, no drift
5.It will not be poisoning because of sulfide.
6.The service life of the sensor can be above two years.
7.It is not affected by the thermal disturbance.
8.It is not affected by the ion ( H2S, CO2, NH3, SO4, Cl-, Cl2 , etc) cross interference
9.It is install-and-use, without calibration.
10.Basic maintenance-free
11.Simple key operation
12. 4~20mA isolation current output, optional field Bus interface
13.Optional 4 alarms, 1 cleaning relay output
14.With data record function
Technical parameterSensor performance
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 ºC Resolution ± 0.1 ºC Accuracy ± 0.5 ºC |
Operating temperature |
0 ~50 ºC |
Storage temperature |
- 40~80 ºC |
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 |
FDO-99 Fluorescence Method Dissolved Oxygen transmitter | ||||||||
T1 | Single-channel transmitter | Measurement channel | ||||||
MX | Multi-channel transmitter (2~16 ) | |||||||
0 | no | Digital communication | ||||||
1 | RS232 | |||||||
2 | RS485 | |||||||
AC | 220VAC | Power supply | ||||||
DC | 24VDC | |||||||
OO | No analog output | Analog output |
||||||
PO | DO correspond to the way 4 ~ 20ma current output | |||||||
PT | DO along with the temperature corresponding to 4 ~ 20ma current output separately | |||||||
AX | 0~4 optional alarm relay | Relay output | ||||||
FDO-99 | M6 | 1 | AC | PO | A2 | Selection Example |
Company Introduction
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.
We are the important supplier of Yantai Wanhua Group,Pepsi,Sinopec,Jereil etc