Lutron PCD-431: 3-in-1 Water Quality Meter (Conductivity, TDS, Temperature)

Lutron PCD-431: 3-in-1 Water Quality Meter (Conductivity, TDS, Temperature)

The Lutron PCD-431 is a versatile 3-in-1 water quality meter designed to measure electrical conductivity (µS/mS), TDS (Total Dissolved Solids in ppm), and temperature (°C/°F). It is engineered to deliver fast and accurate results, making it ideal for use in laboratories, food and beverage industries, aquaculture, and water treatment environments.

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Key Features Lutron PCD-431: 3-in-1  

• 3-in-1 Multi-Function Meter:

  • Measures conductivity, TDS, and temperature in a single compact unit.

  • Dual measurement range for conductivity and TDS to suit various applications.

• High Accuracy with ATC (Automatic Temperature Compensation):

  • Ensures precise readings by automatically compensating for temperature changes.

  • Accuracy up to ±2% of full scale.

• Waterproof and Durable Design:

  • IP67-certified enclosure protects against water and dust intrusion.

  • Rugged structure suited for harsh or wet environments.

• User-Friendly Interface:

  • Dual LCD display shows conductivity and temperature readings simultaneously.

  • External calibration button allows easy adjustments without opening the device.

• Efficient Operation:

  • Data Hold function freezes the current reading.

  • Max/Min Memory recalls peak and lowest measurements for monitoring trends.

  • Auto Power-Off conserves battery life after 10 minutes of inactivity.

• Reliable Temperature Measurement:

  • Reads temperature in Celsius (0–60°C) or Fahrenheit (32–140°F).

  • Display resolution of 0.1°C / 0.1°F with good response time.

• Long-Life Carbon Electrode Probe:

  • Equipped with a carbon rod sensor for enhanced durability.

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Measurement Ranges & Accuracy 

• Conductivity:

  • Range: 0 to 2000 µS, 2 to 20.00 mS (auto range)

  • Resolution: 1 µS / 0.01 mS

  • Accuracy: ± (3% F.S. + 1 digit)

• TDS (Total Dissolved Solids):

  • Range: 0 to 13,200 ppm (auto range across 2,000 & 20,000 ppm scales)

  • Resolution: 1 ppm / 10 ppm

  • Accuracy: ± (3% F.S. + 1 digit)

• Temperature:

  • Celsius: 0.0°C to 60.0°C (±0.8°C)

  • Fahrenheit: 32.0°F to 140.0°F (±1.5°F)

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Technical Specifications 

• Display: Dual LCD (20 x 28 mm)

• Sampling Time: ~0.8 seconds

• Operating Temperature: 0 to 50°C (32 to 140°F)

• Operating Humidity: Less than 80% RH

• Power Supply: 4 × AAA (1.5V) batteries

• Power Consumption: Approx. 5.7 mA

• Dimensions: 190 × 40 × 40 mm (7.5 × 1.6 × 1.6 in)

• Weight: 171 g (0.38 lb)

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Included Accessories

• Instruction Manual (1 pc)

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Optional Accessories

• Soft carrying case with strap (Model: CA-52A)

• Hard carrying case (Model: CA-06)

• 1.413 mS conductivity calibration solution (Model: CD-14A)

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Ideal Applications

• Laboratories & Universities: For accurate water analysis and research.

• Food & Beverage Industry: Ensures water quality meets hygiene standards.

• Aquaculture & Aquariums: Maintains a healthy aquatic environment.

• Water & Wastewater Treatment: Tracks dissolved solids in treated water.

• Pools & Spas: Monitors mineral levels for user safety and comfort.

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Summary

Equipped with automatic temperature compensation, dual-range measurement, and a rugged IP67-rated design, it is an excellent solution for professionals needing dependable water quality data in both field and laboratory environments.