Y504-A Online Optical Dissolved Oxygen Sensor Probe

Product Description

Yosomitech Y504-A Optical Dissolved Oxygen Sensor is an online device for measuring dissolved oxygen in water. Our Optical Dissolved Oxygen Probe adopts oxygen dynamic luminescence quenching technique; when blue light excites sensor film it emits red light which can then be measured to calculate DO concentration. When blue excitation meets red emission the phase difference between them can be calculated and then used to calculate DO concentration.

Y504-A Optical Do Probe doesn't consume oxygen, has no flow rate limit, doesn't require electrolyte, is free of frequent maintenance and calibration, isn't affected by hydrogen sulfide, and has excellent accuracy and stability. It's widely used in waste water treatment, water quality monitoring, drinking water treatment, etc..

Product Features

Digital Sensor, RS485 Output, MODBUS Protocol;

No Calibration Required, No Membranes to Replace

No Oxygen Consumption, Strong Anti-interference;

Low drift, Fast response, More Accurate, Online Real-time Measuring;

Built-in Temperature Sensor, Automatic Temperature Compensation

Product Size

Product Parameters

FAQs

1. What is Dissolved Oxygen (DO)?

https://e.yosemitech.com/industry/WhatistheDODissolvedOxygen.html

2. How to Select Dissolved Oxygen Sensor?

https://e.yosemitech.com/industry/How-to-Select-Dissolved-Oxygen-Sensor.html

3. What are Differences Between Optical and Polarographic Dissolved Oxygen Measurement?

Measurement Principles

Polarographic Sensors: These sensors operate based on electrochemical reactions. They use an oxygen-permeable membrane and an electrolyte solution to generate a current that correlates with the concentration of dissolved oxygen. However, they generally require a warm-up period before achieving accurate readings.

Optical Sensors: These sensors rely on luminescence quenching. A light source excites a dye, and the presence of oxygen affects the duration and intensity of the emitted light. Optical sensors typically offer precision without the need for regular maintenance like membrane or electrolyte replacement.

Maintenance and Calibration

Polarographic: These sensors can require frequent maintenance, such as changing membranes and electrolytes, and often need regular calibration to ensure accuracy.

Optical: Typically demand less frequent maintenance and only periodic recalibration, resulting in reduced downtime and lower operational costs.

Response Time and Accuracy

Polarographic: Response time can vary, often affected by temperature fluctuations and the condition of the membrane.

Optical: Generally, optical sensors provide faster response times and are less influenced by changes in environmental conditions, offering consistent accuracy.

Durability and Lifecycle

Polarographic: Over time, the components might degrade, affecting longevity and response quality.

Optical: These sensors are known for their robustness and can usually sustain harsh environments longer, making them a suitable choice for continuous and demanding applications.