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Yosemitech - Model Y504-A -Online Optical Dissolved Oxygen Sensor
Our Optical dissolved oxygen sensor measures dissolved oxygen using the principle of oxygen dynamic luminescence quenching technique. When blue light excites sensor film, the sensing film emits red light. The phase difference between the blue excitation and returned red emission is measured, and the result is used to calculate DO concentration.
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FeaturesDigital sensor,Modbus RS485 interfaceNo membrane, no electrolyte, easy sensing cap replacementNo oxygen consumption, no flow dependency, no H2S interferenceEmbedded temperature for automatic temperature compensation
- Membraneless, no electrodes design,
- No oxygen consumption, No H2S Interference,
- Automatic temperature compensation,
- Low Drift, fast response, and more accurate,
- RS-485; MODBUS protocol compatible.
Name: Dissolved oxygen sensor
- Model: Y504-A
- Range: 0-20mg/L or 0-200 % saturation
- Response Time: 10 sec
- Housing IP Rating: IP68
- Maximum water depth: 60m
- Accuracy: ±1%
- Drift: <1%per year
- Temperature range: 0 ~ 50℃
- Temperature accuracy: ±0.2℃
- Sensor Interface: Supports RS-485, MODBUS protocol
- Power Requirements: DC 9-24V，current <50mA
- Construction: 3/4 inch NPT
- Temperature Sensor: NTC
- Sensor size: Φ26mm*187mm(with protective cover)
- Probe cable length: 10m (default), customizable
- Calibration: One or two point calibration
- Fluorescent cap life: 1 Year（at normal use）
- Sensor housing material: Titanium alloy