Online Optical Dissolved Oxygen Sensor

• Installation Type: Input Type
• Sensing Type: Optical
• Output Signal Type: Digital Type
• Production Process: Integration
• Material: POM and SS316
• IP Rating: IP68
• Model NO.: Y504-A
• Certification: ISO
• Transport Package: Box
• Specification: Φ 26*177.5 mm
• Trademark: Yosemitech
• Origin: China

Product Description

The DO sensor is based on well known oxygen fluorescence lifetime quenching technique. Its technical procedure meets ASTM D888-09 standard for optical sensing of dissolved oxygen. Its rugged design and large measurement range make it an ideal solution for water quality measurement  on streams, rivers, lakes, estuaries, and coastal waters.
Features
Digital sensor,Modbus RS485 interface
No membrane, no electrolyte, easy sensing cap replacement
No oxygen consumption, no flow dependency, no H2S interference
Embedded temperature for automatic temperature compensation
Specifications

Measurement Range	0~20mg/L or ~200% SAT
Accuracy	1% or 0.1 mg/L
Response time	20 sec
Sensor Drifting	<1% per year
Temperature Sensor	NTC
Operating Temperature	0 ~ 50ºC
Temperature Accuracy	±0.2ºC
Ip Rating	IP68
Max Pressure	6bar
Output Interface	Modbus RS-485
Installation	6 NPT,Submergible
Power consumption	DC 6~12V,I<50mA
Dimensions	Φ26*177.5 mm
Cable Length	10m(default),custom length available
Calibration	One point or two-points
Sensing Cap Lifetime	One year(typical)
Housing Material	POM and SS316