1. Product Overview
The Induskey INK210 is an advanced dissolved oxygen sensor featuring fluorescence lifetime technology for continuous, drift-free monitoring in demanding industrial environments. Designed for applications requiring minimal maintenance and maximum reliability, the INK210 integrates an innovative self-cleaning brush mechanism that automatically prevents microbial adhesion and biofouling, extending maintenance cycles and ensuring exceptional data reliability 24/7.
Utilizing state-of-the-art optical sensing principles, the INK210 eliminates the need for consumable electrolyte solutions, significantly reducing operational costs and environmental impact. With IP68-rated 316L stainless steel construction, plug-and-play deployment capability, and seamless RS-485 Modbus RTU integration, this sensor is engineered for critical process control in wastewater treatment, power generation, pharmaceutical manufacturing, and aquaculture operations.
2. Sensing Technology & Self-Cleaning System
The INK210 operates on a fully integrated architecture combining advanced optical measurement with automated maintenance capabilities.
Fluorescence Lifetime Technology:
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State-of-the-art optical sensing method ensuring drift-free dissolved oxygen measurement
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High stability and accuracy without signal degradation over time
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No flow restrictions or minimum velocity requirements
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Measuring range: 0-50 mg/L or 0-500% saturation
Integrated Self-Cleaning Mechanism:
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Electric motor-driven brush periodically sweeps the optical window
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Physically removes biofilm and particulate deposits before they interfere with measurement
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Configurable cleaning cycles via MODBUS commands based on process conditions
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Adaptive scheduling allows adjustment for seasonal variations and fouling rates
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Manual override capability for on-demand cleaning during maintenance
Intelligent Data Management:
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All calibration data stored directly within the sensor memory
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True plug-and-play installation — operates immediately upon commissioning
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No field calibration required during initial startup
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On-board temperature sensor enables automatic compensation across 0-50°C range
3. Key Features & Competitive Advantages
A. Maintenance-Free Operation
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↓70% reduction in maintenance frequency compared to conventional sensors
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Self-cleaning mechanism ensures 99% data reliability with minimal intervention
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Electrolyte-free design eliminates consumable solutions and associated labor costs
B. Superior Measurement Performance
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±0.2 mg/L accuracy in the 0-20 mg/L range (±1% or ±0.2 mg/L)
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±0.6 mg/L accuracy in the >20 mg/L range (±5% or ±0.6 mg/L)
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No signal drift characteristic of optical fluorescence technology
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Automatic temperature compensation maintains accuracy under varying thermal conditions
C. Robust Industrial Design
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316L stainless steel (Ti) housing with IP68 protection rating
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30-meter immersion depth capability for deep tank installations
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Resistant to harsh chemicals, biofouling, and mechanical stress
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Suitable for continuous operation in corrosive industrial environments
D. Seamless System Integration
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RS-485 digital output with MODBUS RTU protocol
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Direct compatibility with SCADA systems and industrial control networks
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Standard industrial protocol ensures interoperability with existing infrastructure
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Remote configuration capability for cleaning cycles and operational parameters
E. Flexible Deployment Options
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NPT 3/4" threaded connection for standard industrial fittings
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Immersion-type mounting configuration accommodates various installation requirements
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Low power consumption: 0.8W in wiping mode
F. Calibration Flexibility
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One-point or two-point calibration methods supported
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Calibration parameters retained in sensor memory
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Factory calibration available for immediate deployment
4. Technical Specifications
| System Parameter |
Specification |
| Measurement Performance |
|
| Measuring Principle |
Fluorescence Method (Lifetime) |
| Measuring Range |
0-50 mg/L or 0-500% Saturation |
| Accuracy (0-20 mg/L) |
±1% or ±0.2 mg/L |
| Accuracy (>20 mg/L) |
±5% or ±0.6 mg/L |
| Response Time |
Optional (application-specific) |
| Calibration Method |
One-point or two-point calibration |
| Environmental Ratings |
|
| Temperature Range |
0-50°C (32-122°F) |
| Temperature Compensation |
Automatic, integrated sensor |
| Protection Rating |
IP68 |
| Maximum Immersion Depth |
30 meters |
| Physical Characteristics |
|
| Housing Material |
316L Stainless Steel (Ti) |
| Process Connection |
NPT 3/4" threaded |
| Electrical Specifications |
|
| Digital Communication |
RS-485 with MODBUS RTU protocol |
| Power Consumption (Wiping Mode) |
0.8W |
| Self-Cleaning System |
|
| Cleaning Mechanism |
Electric motor-driven brush |
| Control Method |
MODBUS command / Adaptive scheduling / Manual override |
| Maintenance Reduction |
Up to 70% compared to standard sensors |
| Data Reliability |
99% |
5. Applications
The INK210 is engineered for versatile deployment across critical industrial and environmental monitoring sectors:
Power Generation
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Boiler feedwater monitoring to prevent corrosion and maintain thermal efficiency
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Cooling water systems dissolved oxygen control
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Corrosion prevention in high-temperature water circuits
Pharmaceutical Manufacturing
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Critical dissolved oxygen measurement in bioreactors and fermentation vessels
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Precise process control for cell culture applications
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GMP compliance monitoring and validation documentation
Municipal Wastewater Treatment
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Continuous DO monitoring in aeration basins for biological treatment optimization
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Activated sludge process control to enhance energy efficiency
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Effluent discharge compliance monitoring for regulatory reporting
Industrial Effluent Monitoring
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Dissolved oxygen measurement in industrial wastewater treatment plants
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Environmental discharge compliance verification
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Process optimization and quality assurance protocols
Aquaculture Operations
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Precision oxygen monitoring in fish farms and shrimp ponds
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Recirculating aquaculture systems (RAS) control
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Prevention of stock mortality through optimal growing conditions maintenance
Pulp & Paper Industry
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DO monitoring in wastewater treatment and process water systems
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Optimization of chemical usage and environmental compliance
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Process efficiency improvement in pulp bleaching operations
Chemical Processing
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Oxygen level control in chemical reactors and oxidation processes
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Safety-critical applications requiring reliable gas monitoring
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Process optimization in specialty chemical manufacturing
Food & Beverage Processing
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DO control in fermentation processes and brewing operations
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Clean-in-place (CIP) system monitoring
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Product quality assurance and process consistency
6. IoT Platform Integration
The INK210 is designed for seamless integration with modern industrial IoT ecosystems, enabling intelligent monitoring and predictive maintenance capabilities:
Real-Time Remote Monitoring
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Continuous data transmission to centralized SCADA or IoT cloud platforms
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Real-time dissolved oxygen readings accessible via web dashboards and mobile applications
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Equipment operational status monitoring with automated fault detection
Intelligent Maintenance Management
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Remote configuration of self-cleaning cycles based on predictive analytics
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Automated alerts for maintenance scheduling and sensor health monitoring
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Historical performance data analysis for optimization recommendations
Multi-Site Centralized Control
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Integration with distributed control systems across multiple facilities
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Standardized MODBUS RTU protocol ensures compatibility with existing infrastructure
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Enterprise-wide data visibility for operational efficiency improvements
Data Analytics & Compliance Reporting
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Continuous historical data logging with trend visualization
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Automated report generation for environmental compliance documentation
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Integration with corporate quality management and regulatory reporting systems
Adaptive Process Control
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Real-time data feedback enables automated aeration control in wastewater treatment
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Energy optimization through precise dissolved oxygen management
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Reduced chemical consumption via data-driven process adjustments