Lutron CD-4318SD Professional Water Quality Meter

Lutron CD-4318SD Professional Water Quality Meter

Lutron CD-4318SD – Professional Water Quality Meter with Real-Time SD Data Logger

The Lutron CD-4318SD is a multifunctional, high-precision instrument designed for professionals who require accurate and reliable measurement of conductivity, TDS (Total Dissolved Solids), and salinity. With real-time data logging via SD card, automatic temperature compensation, and a high-performance platinum glass electrode, this device is ideal for use in laboratories, industrial environments, and water treatment applications.

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Key Features Lutron CD-4318SD Professional Water Quality Meter 

• 3-in-1 Measurement Capability

  • Measures electrical conductivity, TDS, and salt concentration.

  • One device for three critical water quality parameters.

• High-Performance Platinum Electrode

  • Equipped with a glass-body Pt electrode for maximum accuracy.

  • Delivers stable results even in ultrapure or low-conductivity water.

• Wide Measurement Ranges

  • Conductivity: Covers four ranges – up to 200 mS.

  • TDS: Measures up to 200,000 ppm.

  • Salt: Measures from 0 to 12% by weight.

• Real-Time Data Logging via SD Card

  • Automatically logs measurement data with timestamp (date & time).

  • SD card allows easy data transfer to a PC for direct use in Excel.

  • No special software required for data analysis.

• Automatic Temperature Compensation (ATC)

  • Ensures high accuracy across changing environmental temperatures.

  • Compensation range: 0 to 60°C (32 to 140°F).

• Large LCD Display with Backlight

  • Bright green backlight for easy reading in low-light environments.

  • Displays measurement values clearly and in real-time.

• Durable and Ergonomic Design

  • Made with tough ABS plastic housing for field and lab use.

  • Separate probe design provides flexibility in measurement locations.

• User-Friendly Power Options

  • Operates with 6 x AA (1.5V) batteries or optional DC 9V adapter.

  • Offers portability and flexibility for both indoor and outdoor use.

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Ideal Users and Applications

• Water Quality Laboratories – For accurate testing of drinking water, research, and environmental monitoring.

• Water and Wastewater Treatment Facilities – For managing compliance and operational efficiency.

• Food & Beverage Industry – To ensure production quality and safety standards.

• Environmental Technicians & Sanitation Experts – For field data collection and environmental health assessments.

• Educators and Researchers – For classroom experiments and academic research.

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Technical Highlights

• Conductivity Measurement Ranges: 200 µS, 2 mS, 20 mS, 200 mS

• TDS Range: Up to 200,000 ppm

• Salt Concentration Range: 0 to 12% by weight

• Temperature Range: 0 to 60°C (32 to 140°F), resolution: 0.1°C/°F

• Display: Large LCD with green backlight for enhanced visibility

• Power Supply: 6 × 1.5V AA batteries or optional DC 9V adapter

• Device Dimensions:

  • Main unit: 177 × 68 × 45 mm (7.0 × 2.7 × 1.9 in)

  • Probe: Diameter 12 mm × Length 157 mm

  • Weight: 489 g (1.08 lb)

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Summary

The Lutron CD-4318SD is a robust, professional-grade water quality meter that offers accurate, real-time measurement of conductivity, TDS, and salt content. Its SD card data logging, Pt electrode for ultrapure water, and automatic temperature compensation make it a top-tier choice for water analysis in laboratories, industries, and fieldwork. Reliable, versatile, and easy to use, this device is a valuable tool for any water quality professional.