Online optical dissolved oxygen sensor

NegotiableUpdate on 01/21

Model

Nature of the Manufacturer: Producers

Product Category

Place of Origin

Online Consult

Overview

PN: 610114 Frog Vision new generation dissolved oxygen sensor, based on the principle of fluorescence quenching, blue light is irradiated onto the fluorescent oxygen molecule probe to excite red light. As oxygen molecules are quenching agents of the fluorescent probe, they can take away energy, so the time and intensity of the excited red light are inversely proportional to the concentration of oxygen molecules. The dissolved oxygen sensor calculates the concentration of oxygen molecules by measuring the phase difference between the excited red light and the reference light, and combining it with a temperature compensated 3D calibration data model.

Product Details

Advantages and Characteristics:

Smart sensor, all calibration parameters are stored inside the sensor, plug and play.
•Optical technology does not require frequent replacement of membranes or replenishment of electrolyte solutions.
•No preheating required, fast response speed, 15 second response (T90).
•No flow rate requirement, the measurement process does not consume oxygen.
•Improved sensing membrane, with small drift and easy storage, can be stored for a long time in humid environments.
•Having independent property rights and a stable supply chain of key components, the products have cost-effectiveness.
•RS485 digital output, supporting Modbus protocol.
•SS316，POM， All titanium alloy shell, with multiple options available.

name	parameter
measurement method	Fluorescence quenching method
measurement range	0-20mg/L or 0-200% Air Sat.
resolution	0.01mg/
precision	Dissolved oxygen+/-0.3mg/L, temperature+/-0.3 ℃ (within the range of 0~45 ℃)
Operating temperature range	0~45℃
Storage temperature range	-10~50℃
detection limit	0.05mg/L
warranty	1 year
Using water depth	IP68, <10 meters
power supply	5-12V 15mA (normal)
output	RS485, Modbus RTU protocol
material	Titanium alloy (optional), SS316，POM， nylon
size	Length 186mm (excluding cables), outer diameter 22mm
flow velocity	< 3 m/s
response time	15 seconds T90
Service life*	Sensor 2 years or more, sensing membrane 2 years or more
Maintenance and calibration frequency*	Sensor for 6 months

Note: * The lifespan, maintenance, and calibration frequency are for reference only and depend on the actual usage environment.

User Manual for Optical Dissolved Oxygen Sensor

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