Kavita Corporation

COM-100: Waterproof Professional Series EC/TDS MeterThe COM-100 is a waterproof professional EC/TDS/Temp meter designed for accurate water quality testing. It features a built-in sensor with Automatic Temperature Compensation (ATC) for precise readings at various temperatures. This easy-to-use device from HM Digital measures Electrical Conductivity (EC), Total Dissolved Solids (TDS), and temperature, making it suitable for wet environments. 
This meter is ideal for water treatment, helping to monitor water quality and ensure effective filtration. In aquaculture, it keeps track of salinity and water conditions to maintain a healthy environment for fish. For hydroponics, the COM-100 ensures nutrient levels in the water are just right for plants to grow. It’s also great for testing drinking water, making sure it's pure and safe, and for maintaining clean, balanced water in pools and spas. With its durable, waterproof design and accurate readings, the COM-100 by HM Digital is a reliable tool for anyone needing to measure water quality.

AP-1: AquaPro Water Quality Tester (TDS) 

This meter is perfect for testing drinking water to ensure it's safe and free from unwanted particles. It's also ideal for aquariums, helping you maintain a healthy environment for your fish by monitoring TDS levels. In hydroponics, it helps monitor nutrient levels for plants, ensuring they get the right amount of food. The AP-1 is also useful for checking the effectiveness of water filters by measuring how much TDS is removed. Additionally, it's great for keeping pools and spas clean and balanced. With its compact design and easy-to-read display, the AP-1 Aqua Pro by HM Digital is a simple and reliable instrument for any individual who needs to test water quality.

FEATURES:

• Simultaneous TDS and Temperature reading
• Large easy to read screen
• Digital Calibration
• Water-resistant housing
• Retail friendly packaging
• Automatic Temperature Compensation (ATC)

EC Range: 0 – 9.99 mS (mS/cm)Temp. Range: 0 – 80 degrees CelsiusResolution: 0-9.99: 0.001 mS; 1-9.99: 0.01 mS (indicated by a ‘x10’ icon)Temperature Resolution: 0.1 degree Celsius (Celsius only)Accuracy: +/- 2%ATC: Built-in sensor for Automatic Temperature Compensation of 1 to 50o C (33 to 122o F)Power source: 2 x 1.5V button cell batteries (included) (LR44 or equivalent)Battery life: 1000 hours of usageDimensions: 15.5 x 3.1 x 2.3cm (6.1 x 1.25 x 1 inches)Weight with case: 76.5g (2.7 oz)Weight without case: 56.7g (2 oz)