Overview
A compact, non-contact multispectral sensor for commercial water equipment and distributed monitoring. The pressure-resistant stainless-steel flow path integrates directly into pipelines and equipment without chemical reagents.
Water Quality SensorsCurrent model
NSDD-Lite3
Compact Multispectral Water Quality Sensor | COD sensor
Compact reagent-free online sensor for TOC, COD, UV254 and temperature in commercial and high-purity water systems.
Original manufacturer · Factory-direct supply
Questions go straight to the source
Ask about parameters, interfaces, calibration, versions, customization or volume supply. The answer does not need to pass through layers of resellers.
- In-house R&DOptics, sensor-interface electronics, algorithms, firmware and mechanical integration are developed as one product system.
- Production capabilityFrom prototype and pilot build to assembly, functional testing and volume delivery, production follows the product team’s technical definition.
- Quality traceabilityModel, specification, firmware or hardware version and test requirements remain connected, reducing ambiguity between sales claims and delivered goods.
Overview
Why this product
Compact reagent-free online sensor for TOC, COD, UV254 and temperature in commercial and high-purity water systems.
A compact, non-contact multispectral sensor for commercial water equipment and distributed monitoring. The pressure-resistant stainless-steel flow path integrates directly into pipelines and equipment without chemical reagents.
NSDD-Lite3 combines non-contact spectral measurement, temperature correction and isolated digital communication in a 316L stainless-steel body. Its G1/2 process connection and pressure-resistant construction support pipeline, tank and equipment integration.
- ✓TOC, COD, UV254 and temperature online measurement
- ✓Non-contact optics with no chemical consumables
- ✓UART or RS485 communication options
- ✓Long-term pressure resistance up to 1.5 MPa
- ✓316L stainless-steel sanitary construction
Verified technical detail
Information to provide for selection · Calibration, validation and maintenance
Compact reagent-free online sensor for TOC, COD, UV254 and temperature in commercial and high-purity water systems.
Interface / Supply
UART / RS485 option; 115200 bps reference · DC 4.5–5.5 V; 45 mA measuring typical
Measurement Range / Accuracy
TOC 0–20 mg/L; COD 0–20 mg/L; UV254 0–0.5 AU/cm; temperature 0–80 °C · TOC/COD/UV254 ±15% F.S.; temperature ±0.5 °C
Installation and commissioning
Install with the optical path completely filled and purge trapped bubbles before validation.
Verified technical detail
Engineering and integration
Engineering and integration
- 01
Measures TOC, COD, UV254 and temperature with application-specific calibration.
- 01
UART or RS485 versions are available; the official reference interface operates at 115200 bps.
- 01
4.5–5.5 VDC input with approximately 45 mA typical measuring current.
- 01
Ø38 mm 316L stainless-steel body, G1/2 connection, IP66 and up to 1.5 MPa line pressure.
Installation and commissioning
- ✓
Install with the optical path completely filled and purge trapped bubbles before validation.
- ✓
Use clean, stable 5 V power and observe the digital-interface voltage limit.
- ✓
Verify the installed sensor with representative low-organic water samples across the intended range.
Product and document views
Public documents
NSDD-Lite3 User Manual
NSDD-Lite3 中文产品彩页Applications
Typical applications
Use the product as part of a complete measurement workflow, not as an isolated component. Confirm the water matrix, target range and decision that the data must support.
Wastewater Treatment
Continuous, high-density water data for process optimization, inlet/outlet comparison and early anomaly detection.
Surface Water Monitoring
Compact, reagent-free sensing for rivers, lakes, reservoirs and distributed environmental networks.
Industrial Process Water
Digital sensors and embedded ASICs for equipment builders, automation systems and water-intensive production.
Typical applications are reference cases, not capability limits.
Propose a new application →The applications above are common examples. If this measurement principle may solve a different problem in your field, we welcome a feasibility discussion.
Technology
From selection to reliable data
- 01
Define the measurement objective and expected range.
- 02
Match the sensor, probe or analyzer to the real sample matrix.
- 03
Complete mechanical, electrical and communication integration.
- 04
Validate results with reference samples before routine operation.
Engineered for dependable integration
Integration and installation checklist
- ✓Target parameters and expected concentration range
- ✓Water matrix, fouling risk and installation method
- ✓Communication interface and sampling frequency
- ✓Calibration, validation and maintenance strategy
- ✓Information to provide for selection: NSDD-Lite3 · Water Quality Sensors
Calibration, validation and maintenance
Validate the complete system with representative samples. Record the reference method, temperature and installation conditions. Recheck after cleaning, replacement or process changes, and define a maintenance interval from actual fouling rather than a fixed assumption.
FAQ
Frequently asked questions
Is this product ready to use in every water matrix?
The product platform is defined, but range, calibration and installation must still be confirmed against the actual water matrix and project objective.
What should be checked before integration?
Confirm power, interface, cable length, enclosure, sampling frequency, probe position and the host system data format.
How should measurement quality be verified?
Compare representative samples with an agreed reference method and document the acceptance criteria before commissioning.
Can datasheets, protocol information and engineering support be supplied?
Yes. Ask for the current ordering specification and describe your application so the correct materials can be supplied.
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