Induskey INK230 Dissolved Oxygen Sensor

1. Product Overview

2. Sensing Technology & Signal Processing

• Special oxygen-sensitive fluorescent material immobilized on the sensor cap
• Blue light excitation triggers red fluorescence emission
• Oxygen molecules quench fluorescence through molecular collision
• Degree of quenching is directly proportional to dissolved oxygen concentration
• Measurement is inherently independent of sample flow rate

• High-sensitivity photodetector measures both intensity and phase shift of fluorescence signal
• Advanced digital signal processing algorithms analyze parameters for high-precision calculation
• Minimal interference from environmental factors
• T90 < 60 seconds rapid response time for real-time monitoring

• Integrated precision temperature sensor continuously monitors water temperature
• Built-in microprocessor applies automatic temperature compensation algorithms
• Ensures accurate readings across 0-50°C operating range
• Critical for aquaculture environments with diurnal temperature variations

• RS485 serial interface with industry-standard Modbus RTU protocol
• Seamless integration with PLCs, SCADA systems, data loggers
• Configurable device addresses (1-247) and baud rates (9600/19200/38400 bps)
• Flexible network configuration for multi-sensor deployments

3. Key Features & Competitive Advantages

A. Maintenance-Free Optical Design

• No consumable membranes or electrolytes required
• Optical cap replacement only approximately once per year
• Eliminates traditional sensor maintenance labor and material costs
• Reduced total cost of ownership for large-scale aquaculture operations

B. Superior Measurement Performance

• High accuracy: ±0.3 mg/L or ±2% FS (whichever is greater)
• High resolution: 0.01 mg/L for precise process control
• Wide measurement range: 0-20.00 mg/L (0-200% saturation)
• Long-term stability: Minimal drift over extended operational periods
• Reduced calibration frequency compared to electrochemical sensors

C. Rapid Response Characteristics

• T90 < 60 seconds for fast stabilization
• Enables real-time monitoring and rapid process control adjustments
• Critical for high-density aquaculture where oxygen levels can change rapidly
• Supports automated aeration control systems

D. Robust Aquaculture-Ready Construction

• IP68-rated housing suitable for continuous submersion
• Designed for demanding aquaculture environments
• Resistant to biofouling and marine corrosion
• Reliable operation in both freshwater and saltwater applications

E. Energy-Efficient Operation

• Low power consumption: <0.5 W (typical)
• 12-24 VDC power supply for flexible installation
• Ideal for remote and solar-powered installations
• Reduces operational costs for off-grid aquaculture facilities

F. User-Friendly Calibration

• Simple single-point or two-point calibration procedures
• No specialized technical expertise required for field calibration
• Reduces downtime and maintenance complexity
• Supports quick sensor replacement and commissioning

4. Technical Specifications

5. Applications

Intensive Fish Farming

• Continuous DO monitoring in high-density aquaculture systems
• Critical oxygen level management for species-specific growth requirements
• Prevention of hypoxic conditions that cause stress and mortality

Shrimp and Prawn Aquaculture

• Critical oxygen level management for optimal growth conditions
• Monitoring in pond and tank-based shrimp farming operations
• Support for biofloc and other intensive shrimp production systems

Recirculating Aquaculture Systems (RAS)

• Process control for water treatment and reuse circuits
• Integration with biofilter and oxygenation equipment
• Real-time monitoring for closed-loop system optimization

Hatchery Operations

• Sensitive early-life-stage aquatic organism monitoring
• Precise oxygen control for egg incubation and larval rearing
• Critical for high-value species propagation

Pond Culture

• Large-scale freshwater aquaculture water quality management
• Continuous monitoring in extensive and semi-intensive pond systems
• Support for carrying capacity optimization

Cage Culture

• Open water aquaculture installation monitoring
• Reliable operation in marine and large freshwater enclosures
• Integration with feeding and aeration automation systems

Aquarium Systems

• Public and research facility aquatic environment control
• Exhibition tank water quality management
• Support for sensitive marine and freshwater species maintenance

Water Quality Research

• Scientific studies requiring precise dissolved oxygen measurement
• Environmental monitoring and impact assessment
• Academic research in aquatic biology and ecology

6. IoT Platform Integration

Real-Time Remote Monitoring

• Continuous data transmission to centralized SCADA or aquaculture management platforms
• Real-time dissolved oxygen readings accessible via web dashboards and mobile applications
• Multi-pond/multi-tank centralized monitoring from single interface

Automated Process Control

• Integration with variable frequency drives (VFDs) for automated aerator control
• Programmable oxygen setpoints with automatic aeration activation
• Energy optimization through data-driven aeration scheduling
• Alarm notifications for critical low-oxygen events

Data Analytics & Historical Trending

• Continuous data logging for growth performance correlation analysis
• Historical trend visualization for seasonal pattern identification
• Automated reporting for regulatory compliance and certification
• Integration with feeding systems for feed-to-oxygen ratio optimization

Multi-Site Management

• Standardized Modbus RTU protocol ensures compatibility across facilities
• Enterprise-wide water quality visibility for large aquaculture operations
• Centralized calibration and maintenance scheduling
• Remote diagnostics and troubleshooting capabilities

Predictive Aquaculture Management

• Data integration with environmental parameters (temperature, pH, ammonia)
• Machine learning algorithms for mortality risk prediction
• Optimal stocking density recommendations based on oxygen consumption patterns
• Support for precision aquaculture and Industry 4.0 transformation