JXSZ-1001-DOY Freshwater Dissolved Oxygen Electrode[Fluorescence Method] Sensor

Specifications

• Product Name: Freshwater Dissolved Oxygen Sensor – Fluorescence Method

• Sensor Type: Optical (Luminescent / Fluorescence-Based) Dissolved Oxygen Electrode

• Measurement Principle: Quenching of luminescence by dissolved oxygen (fluorescence quenching method)

• Medium: Freshwater (rivers, lakes, aquaculture tanks, etc.)

• Non-consumptive measurement – no electrolyte, no membrane, no calibration drift

• Maintenance-Free Operation – ideal for long-term field deployment

Measurement Parameters:

• Measured Parameter: Dissolved Oxygen (DO)

• DO Range: 0 – 20 mg/L (or 0 – 200% saturation)

• Accuracy:±0.3 mg/L (0 – 10 mg/L range)

• Resolution: 0.01 mg/L

• Response Time (T90): 1 seconds

• Stabilization Time: ~60 seconds

Temperature Measurement:

• Temperature Range: 0°C to +35°C

• Pressure Range: standard Atmospheric pressure

Optical Measurement Principle

• Excitation Source: Blue LED (typically ~470 nm)

• Detection Method: Red-shifted luminescence decay measurement

• Interference Compensation: Built-in temperature compensation and ambient light shielding

• No oxygen consumed during measurement

• No need for electrolyte replacement or membrane cleaning

Electrical & Interface Specifications

• Power Supply Voltage: 9V – 24V DC (typical: 12V DC)

• Current Consumption: <50mA average

• RS485 (Modbus RTU) – common for digital integration

Sensor Housing & Mechanical Features

• Sensor Material:

• Body: POM / PVC

• Optical Cap: Replaceable fluorescent sensing cap

• Protection Rating: IP68 (fully waterproof, submersible)

• Dimensions:

• Length: ~190mm
• Diameter: ~25 – 35mm

• Weight: ~250 – 400g (with cable)

• Cable:

• Standard: 5m
• Waterproof and UV-resistant
• Custom lengths available

Environmental Conditions

• Operating Temperature: 0°C to +50°C

• Storage Temperature: -10°C to +60°C

• Pressure Range: 0 – 3 bar (absolute pressure)

• Flow Dependence: None (does not require stirring)

• Biofouling Resistance: Optional anti-fouling protection (copper mesh, wipers, UV)