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https://www.lutron.com.tw/products/47/water-hardness-pure-water-meter
20uS/200uS/2mS/20mS/200mS, Resistivity meter
WATER HARDNESS/PURE WATER METER
電阻率計/ 水硬度 / 純水錶
Model : CD-4309
Maximize Precision with a Multi-Function Water Quality Meter
The CD-4309 Water Hardness/Pure Water Meter offers comprehensive measurement capabilities for various water quality parameters, making it an ideal tool for precise and versatile applications.
Exceptional Features of the CD-4309:
1. Multi-Functionality: Measures conductivity, TDS (Total Dissolved Solids), salt, hardness, and resistivity, providing a comprehensive solution for various water quality assessments.
2. Five Measurement Ranges: Offers ranges of 20 µS, 200 µS, 2 mS, 20 mS, and 200 mS for conductivity, ensuring precise measurements.
3. High Performance for Low Conductivity: Equipped with a Pt glass electrode, ensuring high performance for low conductivity (pure water) measurements.
4. Automatic Temperature Compensation (ATC): Ensures accurate readings by automatically adjusting for temperature variations from 0 to 60℃ (32 to 140℉).
5. Durable and Easy to Use: Features a separate probe for flexible operation in different environments, and a robust ABS plastic housing for long-lasting use.
Technical Specifications:
– Conductivity Range: Five ranges – 20 µS, 200 µS, 2 mS, 20 mS, and 200 mS.
– TDS Range: Up to 200,000 ppm.
– Salt Range: 0 to 12% by weight.
– Hardness Range: 0 to 100,000 ppm.
– Resistivity Range: 5 ohm-cm to 99.99 M ohm-cm.
– Temperature Range: 0 to 60℃ (32 to 140℉) with a resolution of 0.1℃/℉.
– Display: Large LCD with green backlight for easy reading.
– Power Supply: Operated by six 1.5V AA batteries or a DC 9V adapter.
– Dimensions: Main instrument – 177 x 68 x 45 mm (7.0 x 2.7 x 1.9 inches); Probe – Round, 22 mm Dia. x 120 mm length; Weight – 489 g (1.08 lb).
Versatile Applications: Ideal for use in water conditioning, aquariums, beverages, fish hatcheries, food processing, photography, laboratories, paper industry, plating industry, quality control, schools, and colleges.
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