Pocket Size TDS Meter, HM Digital.
TDS-4 Pocket-Size Meter, HM Digital
A TDS tester that is ideal for all water purification applications, wastewater regulation, aquaculture, hydroponics, and colloidal silver. Perfect for both consumer or commercial use. Carry one in your pocket at all times!
- The smallest and lightest TDS meter on the market. - Sleek design is perfect for personal or consumer use. - Advanced microprocessor technology. - Hold Function: saves measurements for convenient reading and recording. - Auto-off function: the meter shuts off automatically after 10 minutes of non-use to conserve batteries. - Measurement Range: 0-9990 ppm. From 0-999 ppm, the resolution is in increments of 1 ppm. From 1000 to 9990 ppm, the resolution is in increments of 10 ppm, indicated by a blinking x10 image. - Display: large and easy-to-read LCD screen. - Factory Calibrated: our meters are calibrated with a 342 ppm NaCl solution. Meters can be recalibrated with a mini-screwdriver.
Specifications - Range: 0 - 9990 ppm (mg/L) - Resolution: 1 ppm - Accuracy: +/- 2% - ATC: Built-in sensor for Automatic Temperature Compensation of 1 to 50 degrees Celsius (33 to 122 degrees Farenheit) - Power source: 2 x 1.5V button cell batteries (included) - Battery life: 1000 hours of usage - Dimensions: 14 x 2.3 x 1.5 cm (5.5 x .9 x .55 inches) - Weight: 34g (1.2 oz)
Established in 1987, HM Digital, Inc. (formerly known as Heemang Electronics) is an original equipment manufacturer (OEM) that has been recognized worldwide for providing the best values in water testing instrumentation, especially the increasingly popular TDS meter.
Our products are co-designed between our Los Angeles office and our ISO-9001-certified factory in Seoul, Korea, producing high quality water testing and monitoring equipment for all types of water treatment and purification systems, including reverse osmosis (RO), that are sold in over 50 countries throughout the world. HM Digital also offer OEM services for customized products and private labeling.