Digital RS485 Modbus Water Quality Detector Monitoring Electrical Conductivity Ec Sensor

• Customization: Available
• After-sales Service: Yes
• Warranty: 3 Years
• Model NO.: SQ800-EC
• Display: Digital
• Appliance: Water
• Portable: Non Portable
• Certification: RoHS, CE
• Type: Ec
• Function 1: Water Quality Monitor
• Funciton 2: Wastewater Treatment
• Function 3: Wireless Water Quality Detector
• Function 4: Water Quality Sensor
• Transport Package: Carton Box
• Specification: 20*14*8
• Origin: China
• HS Code: 9032890000
• Production Capacity: 1000PCS/Month
• Package Size: 25.00cm * 25.00cm * 15.00cm
• Package Gross Weight: 3.000kg
• Lead Time: 7 days (1 - 10 Pieces) ; To be negotiated ( > 10 Pieces)

Product Description

Electrical Conductivity Sensor for Wastewater Treatment

What's this product?   

      The EC Sensor is a digital sensor featuring an easy-to-integrate RS485 communication interface and standard Modbus protocol, It is equipped with a corrosion-resistant housing, IP68 protection rating, suitable for operation in various harsh working environments; Using an industrial-grade graphite quadrupole electrode, suitable for full-scale conductivity measurements; The electrode constant remains highly stable, unaffected by polarization effects; automatic compensation for surface contact resistance ensures immunity to contamination; Equipped with a built-in PT1000 temperature sensor and compensation algorithm, achieving an accuracy of ±0.1℃;

      By leveraging the relationship between salinity, TDS, and conductivity, the system can extend to measure salinity parameters, broadening its application scope; the integrated liquid level measurement feature, ensure widespread application in urban pipeline monitoring.

Operation principle

     Conductivity is a measure of a medium's ability to conduct electrical current. unit by μS/cm or mS/cm. At room temperature, pure water has a conductivity of less than 0.05 μS/cm, natural or surface water ranges between 100–1000 μS/cm, while acidic or alkaline solutions can exhibit conductivity exceeding 1000 mS/cm.

     The conductivity of a solution is determined by measuring the voltage and the current between two coaxial electrodes immersed in the solution . Based on Ohm's Law, the solution's resistance is calculated as R=V/I, and the reciprocal of this resistance defines the conductance S=1/R. By incorporating the electrode-specific constant K, the conductivity of the solution can be directly derived

Features

1. Drinking water/surface water/various water supply/industrial water treatment;
2. Signal output: RS-485(Modbus/RTU protocol) is convenient to connect to third-party equipment such as PLC, DCS, industrial control computer, general controller, paperless recording instrument or touch screen;
3. Immersion installation, with 3/4NPT pipe thread, easy to sink installation or installation in pipes and tanks;
4. IP68 protection level;

Installation

During installation and testing, maintain a minimum distance of 2 cm from the container's bottom and side walls

Technical Specification

(Custom configurations available upon request.)

Model No.	SQ800-EC	Temperature compensation	Auto/Manual
Measurement parameter	EC	Voltage	DC12V-DC24V
Measurement range	0-20 mS/cm(0-99℃)	Communication mode	RS485 (Modbus RTU)
Measurement accuracy	±5%	Protection rating	IP68
Resolution	0.01mS/cm	Extension cable	5m

Company Profile

Application

Certifications

Packaging & Shipping

FAQ

Q: What's the lead time for orders?
A: Standard models ship in 15–30 days; customized units require 30–45 days.

Q: Do you provide after-sales service overseas?
A: Yes, we have partnered service centers in key regions.

Q: Can I request a customized order?
A: Absolutely! We offer OEM and ODM service.

Q: What documents do you provide for export?
A: Full export package (Commercial Invoice, Packing List, Bill of Lading, COC, etc.).

Q: How do I place an order?
A: Contact us via email/phone for a quote, then confirm with a PO.