Chroma Sensor For Water Quality, 0~500 NTU

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$1,355.98

Ex Tax: $1,355.98

Stock: In Stock
Model: RDDLZ-WQS-COL
Weight: 1.00
SKU: RDDLZ-WQS-COL

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Additional Product Info

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Chroma water quality sensor uses dual-wavelength optical detection for accurate, reagent-free monitoring. Features include IP68 waterproof housing, self-cleaning, and RS485 Modbus communication. Ideal for drinking water, wastewater, and environmental applications.

Specification

Model	RDDLZ-AMT-SD300
Measurement Principle	Optical Absorption Method
Measurement Wavelength	470 nm, 546 nm
Measurement Range	0~500 Hazen, 0~500 NTU
Accuracy	±2% FS
Resolution	0.5 Hazen
Communication Interface	RS485, Standard Modbus Protocol
Dimensions	Diameter 32 mm, Length 185 mm, Cable 3 m (customizable)
Operating Environment	Temperature: 5–35°C, Pressure: 0–3 bar
Operating Voltage	12V/24V DC

Feature

No chemical reagents: Fast measurement without secondary pollution.
Self-cleaning function: Removes attached particles, maintenance-free.
Flow rate compensation: Reduces the impact of water velocity on readings.
Durable housing: Stainless steel body, IP68 waterproof, long-term underwater operation.
RS485 communication: Standard Modbus protocol for easy integration.
Data analysis software: Supports calibration, logging, analysis, and diagnostics.

Dimension (Unit: mm)

Installation Method

Note: The sensor should not be installed upside down or horizontally, but at least at an angle of 15 degrees or more. The interface of sidewall mounting must be beveled at 15 degrees, otherwise it will affect the normal testing and use of the electrodes.

Application

Tips: What is the difference between NTU and Hazen units measured by the Chroma sensor?

The NTU (Nephelometric Turbidity Unit) measures the turbidity or cloudiness of water caused by suspended particles that scatter light, such as sediment, algae, or fine silt. It reflects how “murky” the water is.

The Hazen unit, also known as Platinum-Cobalt Units (PCU), measures the color of dissolved substances in water — typically due to organic matter, tannins, or industrial pollutants.

This chroma sensor measures both simultaneously, providing a comprehensive evaluation of water clarity (NTU) and coloration (Hazen) — which is crucial for water quality monitoring where both physical and chemical characteristics matter.

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