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Online Dissolved Oxygen Analyser

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Product Details:

Features Automatic temperature compensation, real-time data logging, low maintenance, robust design
Application Continuous monitoring of dissolved oxygen in water, effluent treatment, aquaculture, industrial processes
Test Range 0-20 mg/L (ppm)
Port Size 1/4 inch
Display Type LCD digital display
Frequency 50/60 Hz
Gas Pressure Ambient
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Online Dissolved Oxygen Analyser Product Specifications

Accuracy 1% of reading or 0.01 mg/L
Temperature 5C to 50C
Machine Weight 2.5 kg
Humidity 0 to 95% RH
Measuring Range 0-20 mg/L (ppm)
Equipment Type Online Dissolved Oxygen Analyser
Resolution 0.01 mg/L
Operating Voltage 220V AC
Interface Type RS-485, 4-20mA output
Usage Online water quality analysis
Mounting Type Panel / Field mounting
Automation Grade Automatic
Number of Specimens Single channel
Response Time Less than 30 seconds
Gas Pressure Ambient
Power Supply 220V AC, 50/60Hz
Port Size 1/4 inch
Display Type LCD digital display
Frequency 50/60 Hz
Control Mode Microprocessor based digital control
Application Continuous monitoring of dissolved oxygen in water, effluent treatment, aquaculture, industrial processes
Test Range 0-20 mg/L (ppm)
Features Automatic temperature compensation, real-time data logging, low maintenance, robust design

Calibration Manual and automatic calibration supported
Data Storage Built-in memory for historical data
Protection Grade IP65
Sampling Method Flow-through cell
Data Output Modbus communication protocol
Alarm Function High & low DO level alarms
Enclosure Material ABS / Stainless steel
Cable Length 3 meters (customizable)
Sensor Type Optical / membrane electrode

Online Dissolved Oxygen Analyser Trade Information

Main Export Market(s) Western Europe, Central America, North America, South America, Eastern Europe, Middle East, Asia, Australia, Africa
Main Domestic Market All India

Product Description

In process gas stream or tank applications, amperometric oxygen gas sensors provide reliable, real-time measurements without the need for gas sampling or conditioning.

Easy in-situ installation directly in the tank or vessel
No cumbersome sampling system needed
Easy two-minute maintenance and calibration

Product details

Power	Electric
Brand	METTLER TOLEDO
Application	Laboratory Use
Automation Grade	Semi-Automatic
Usage/Application	Lab
Product Type of PH Meter	Portable

FAQ

1. What does a dissolved oxygen analyser online do?

Ans - An instrument that analyses the amount of dissolved oxygen in a liquid or gas sample is known as an online dissolved oxygen analyser. In aquatic systems like rivers, lakes, and seas, it is used to monitor the quality of the water and the aquatic life there.

2. How does a dissolved oxygen analyzer operate online?

Ans - An online dissolved oxygen analyzer measures the sample's oxygen content by how much light it absorbs using a sensor. Typically, a photoelectric cell serves as the sensor, converting light absorption into an electrical signal. Then, after being processed and amplified, this signal is shown on a screen or computer interface.

3. What advantages can online dissolved oxygen analysers offer?

Ans - In order to monitor and manage water quality, an online dissolved oxygen analyzer can deliver precise and timely observations of dissolved oxygen levels. It may be used to monitor and assess changes in aquatic ecosystems as well as identify potential pollution sources.

4. What kinds of samples can be measured by an online dissolved oxygen analyzer?

Ans - In most liquid and gas samples, including water, wastewater, and air, dissolved oxygen levels can be measured using an online dissolved oxygen analyzer.

5. How frequently should a dissolved oxygen analyzer be calibrated online?

Ans - In order to assure accuracy, an online dissolved oxygen analyzer should be calibrated at least once a year. The sensor should also be checked frequently, and it should be changed if necessary.

Advanced Sensor Technology

This analyser provides the choice of optical or membrane electrode sensors, offering accurate and responsive dissolved oxygen measurements. Both sensor types are optimized for minimal maintenance and fast response, ensuring seamless integration into your monitoring system.

User-Friendly Calibration and Operation

Enjoy the convenience of manual or automatic calibration routines. The microprocessor-based controls and LCD display simplify setup and daily use, while robust alarms and real-time data logging enhance control and safety in your process or facility.

Durable Design, Reliable Data

Designed with an ABS or stainless steel enclosure and rated at IP65, this analyser withstands moisture and dust for dependable operation in harsh conditions. Its built-in memory preserves historical data and supports Modbus output for effortless connectivity to control systems.

FAQs of Online Dissolved Oxygen Analyser:

Q: How does the Online Dissolved Oxygen Analyser ensure accurate and timely oxygen measurement in water?

A: The analyser employs optical or membrane electrode sensors to deliver rapid measurements with a response time of less than 30 seconds. Automatic temperature compensation and microprocessor-based digital control further boost accuracy, providing reliable readings even in varying environmental conditions.

Q: What calibration options are available for this analyser?

A: This device supports both manual and automatic calibration methods, allowing operators to maintain accuracy and adapt to varying operational protocols easily.

Q: When should the high and low dissolved oxygen alarms be used?

A: High and low DO level alarms are triggered when the oxygen concentration moves out of programmed thresholds, providing timely notifications to prevent issues within water treatment, aquaculture, or industrial processes.

Q: Where is the analyser best installed for optimal operation?

A: Its panel or field mounting flexibility, along with IP65-rated enclosure, enables secure installation both indoors and outdoors, wherever continuous dissolved oxygen monitoring is requiredsuch as process lines, aquaculture tanks, or effluent outlets.

Q: What is the process for data output and integration with control systems?

A: The analyser supports Modbus communication via RS-485 and 4-20mA outputs, ensuring seamless connection to most SCADA or PLC systems for automated monitoring and control.

Q: How is historical data stored and accessed on the analyser?

A: Built-in memory automatically logs data for later review, enabling operators to access historical readings through the digital interface, which aids in process analysis and compliance reporting.

Q: What benefits does the analyser provide for water quality management?

A: Key advantages include continuous, real-time monitoring, low maintenance, robust design, and accurate data logging. These features translate to improved process control, enhanced safety, and simplified long-term water quality management.

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