Product Categories

Dissolved Oxygen Analyzer

Dissolved Oxygen DO Analyzer / Meter / Sensor / Probe

Model No：FDO-99

APPLICATIONS：Water treatment, Aquaculture/Aquaponics, Environmental Monitoring

PRINCIPLE：Optical fluorescence quenching

Advantages

Digital sensor, fluorescence method
Basically maintenance-free,no need to calibrate
No need to replace solid electrode or electrolyte
Accurate Measurement
Stable Performance, no drift

Product Description

FDO-99 fluorescence dissolved oxygen analyzer, adopts the fluorescence quenching principle and accurate phase 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 electrochemical electrode completely.

Sensor Specification

Dissolved Oxygen (DO) Sensor Specification
Measurement Range	DO: 0 ~20 mg / l, Air saturation: 0-120%
Resolution	0.01mg / l
Measurement Accuracy	± 1% F.S
Response Time	＜ 60 seconds（T90）
Operating Temperature	-10 ~55 ℃
Operating Pressure	0.5 Mpa
Protection Grade	IP68
Anti-interference	not interfered with the following materials : H2S, pH, CO2, NH3, SO4, Cl-,CL2, etc
Measure Foil Life	3 years
Sensor Shell Material	316L
Installation	3/4 “NPT thread installation
Size	Φ41 × 140mm
Weight	1300g
Power supply	DC9V
Output	RS485 standard MODBUS protocol
Sensor cable	standard 10 meters (can be customized)

Transmitter Specification

Dissolved Oxygen (DO) Sensor Specification
Dimensions	234/185/118mm, L/ W/ H
Weight	1.5 kg (standard)
Operating temperature	-10 ~55 ℃
Humidity	5% – 90% (No condensation)
Protection grade	IP65
Power supply	Standard: 220VAC 50HZ 20W; Optional: 24VDC±10%, 20W
Analog output	Optional 2-way 4-20mA,
Digital communication	RS485 MODBUS protocol
Relay outputs	Optional 2-way alarm relay and 1-way cleaning relay (250VAC, 10A)