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Online Optical Dissolved Oxygen Sensor - Y504-A

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• Range: 0-20mg/L or 0-200% Saturation
• Response Time: 10 sec
• Housing IP Rating: IP68
• Accuracy: 1%
• Drift: <1% per year
• Working Temperature Range: 0 ~ 50℃
• Temperature Accuracy: ±0.2℃
• Interface Support: RS-485, MODBUS protocols

Model Number: Y504-A
Data Sheet:

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Product Specification

Y504-A Dissolved Oxygen Sensor Description
The sensor is based on optical fluorescence lifetime quenching technique. Its technical procedure meets ASTM D888-09 standard for optical sensing of dissolved oxygen. This online sensor is developed to integrate with Yosemite wireless monitoring system. Its rugged design and large measurement range make it ideal for sampling, flow cell, ground water and waste water measurements.

Y504-A Dissolved Oxygen Sensor Applications
Fish farmer, waste water plant, river, stream, and ocean monitoring

Y504-A Dissolved Oxygen Sensor Feature
• 0-20mg/L or 0-200% Saturation
• 0~50 ℃; IP68 rating
• Membraneless, no electrodes design
• No oxygen consumption
• Flow Independent
• Automatic temperature compensation
• No H2S Interference
• Low Drift, fast response, and more accurate
• Low Maintenance, low operating cost
• Easy sensor cap replacement
• RS-485; MODBUS protocol compatible

Y504-A Dissolved Oxygen Sensor Technical Specifications

Range	0-20mg/L or 0-200% Saturation
Response Time	10 sec
Housing IP Rating	IP68
Accuracy	1%
Drift	<1% per year
Working Temperature Range	0 ~ 50℃
Temperature Accuracy	±0.2℃
Interface Support	RS-485, MODBUS protocols
Construction	¾ inch NPT
Power Requirements	DC 6~12V +/-5%, current <50mA
Sensor OD	26mm
Sensor Length	177.5 mm
Cable Length	10m standard; 5m, 15m, and 30m optional
Calibrations	Support one point and two-points calibrations
Sensor Cap Lifetime	1 Year (at normal use)
Body materials	POM and Stainless steel