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https://www.lutron.com.tw/products/106/ph-meter

 

PH METER
YK-21PH
Product Overview
Achieve Precision with a Smart and Versatile pH Meter

 

The YK-21PH pH Meter offers accurate and reliable pH measurements with a compact and durable design, making it an essential tool for various applications in aquariums, food processing, laboratories, and more.

 

Exceptional Features of the YK-21PH:

 

1. High Quality and General Purpose: Designed for high-quality and general-purpose pH measurements, ensuring reliable and accurate readings.

2. Compact and User-Friendly Design: Features easy operation with a compact size and water-resistant front panel, enhancing usability and durability.

3. Large LCD Display: Equipped with a large LCD display with 21.5 mm (0.7″) digit height for clear and easy readout of measurements.

4. High Input Impedance: Ensures accurate pH measurements by preventing measurement errors.

5. Data Hold Function: Includes a data hold function to freeze the desired value on the display for easy recording and analysis.

 

Technical Specifications:

 

– Measurement Range: 0 to 14.00 pH

– Resolution: 0.01 pH

– Accuracy:

– ± 0.07 pH (pH 5 to pH 9)

– ± 0.1 pH (pH 4 to pH 10)

– ± 0.2 pH (pH 1 to pH 3.9, pH 10.1 to pH 13)

– Display: LCD, size 21.5 mm (0.7″)

– Input Impedance: 10^12 ohms

– Temperature Compensation: Not necessary to adjust the pH range

– Data Hold: Freezes the measured pH value on the display

– Sampling Time: Approximately 0.4 seconds

– Operating Temperature: 0℃ to 50℃ (32℉ to 122℉)

– Operating Humidity: Less than 80% RH

– Calibration: External pH 4 (slope adjustment) and pH 7 (calibration adjustment)

– Power Supply: 9V battery (006P)

– Power Consumption: Approximately 2.0 mA

– Dimensions: 205 x 68 x 30 mm (8.1 x 2.7 x 1.2 inches)

– Weight: 220 g (0.48 lb)