HM Digital COM-80 Electrical Conductivity (EC) and Total Dissolved Solids Hydro Tester, 0-5000 ppm TDS Range, 1 ppm Resolution, 2% Readout Accuracy

The HM Digital COM-80 Electrical Conductivity EC and Total Dissolved Solids Hydro Tester is a versatile and reliable tool designed to measure electrical conductivity (EC) and total dissolved solids (TDS). With its four scales for EC and TDS, automatic temperature compensation, and water-resistant feature, this tester is suitable for a variety of applications. Whether you are involved in hydroponics, gardening, pools and spas, aquariums and reef tanks, water ionizers, or commercial applications like boilers and cooling towers, the COM-80 offers accurate and convenient testing capabilities.

• Electrical conductivity (EC), total dissolved solids (TDS)
• 0-5000 ppm TDS
• 1 ppm
• 2% Readout
• EC: µS, mS; TDS: ppm, ppt
• Automatic Temperature Compensation (ATC), Water resistant

• Suitable for hydroponics, gardening, pools and spas, aquariums, water ionizers, and commercial applications like boilers and cooling towers.
• Offers EC measurements in µS and mS, and TDS measurements in ppm and ppt for diverse testing needs.
• Provides high accuracy with a 2% readout accuracy and a 1 ppm resolution for precise measurements.
• Adjusts for temperature variations, ensuring consistent and reliable test results.
• Allows for testing in various environmental conditions, including water and humidity.

• Ideal for testing nutrient levels in hydroponic systems, gardening soil, and fertilizer solutions.
• Enables testing of TDS levels in pools and spas for maintenance and water quality management.
• Useful for monitoring TDS and EC in aquarium water to support a healthy aquatic environment.
• Helps in verifying the purity of drinking water and assessing the performance of water ionizers.
• Applicable for testing in commercial settings such as boilers, cooling towers, and filtration systems for water quality maintenance.

• Brand X TDS and EC Meter
• Brand Y Digital TDS EC Meter

• Accurate and easy to use. I have tested it in various scenarios, and it always provides reliable results.
• The automatic temperature compensation feature is a great advantage. It ensures that my measurements are not affected by temperature changes.
• I appreciate the water-resistant design as it allows me to test water samples without worrying about damaging the device.
• The versatility of this meter is impressive. I use it for my aquarium, pool, and hydroponic system, and it performs exceptionally well in all cases.

• Moderately priced compared to competitors, making it a cost-effective choice for the features and reliability it offers.

• Consider your specific testing needs and ensure that the COM-80 meets the requirements of your intended applications.
• Assess the features and pricing in comparison to competitors to determine the best value for your investment.
• Take into account the positive user reviews highlighting accuracy, ease of use, and durability for informed decision-making.

The HM Digital COM-80 Electrical Conductivity EC and Total Dissolved Solids Hydro Tester stands out as a versatile, accurate, and reliable tool for measuring EC and TDS in various applications. With its multiple scales, automatic temperature compensation, and water-resistant design, it offers convenience and precision. Considering its competitive pricing and positive user feedback, the COM-80 presents a compelling option for users looking for a dependable testing instrument.