Hanna Instruments HI 993302-01 Gro'Chek EC/TDS/Temperature Monitor, 0.00 to 20.00 mS/cm, 0.01 mS/cm Resolution, +/-2% Accuracy, 115V

The Hanna Instruments HI 993302-01 Gro’Chek EC/TDS/Temperature Monitor is a 115V conductivity, total dissolved solids (TDS), and temperature monitor that is designed for agricultural and hydroponics applications and has automatic temperature compensation, automatic one-point calibration, and a backlit LCD screen that displays readings of both conductivity or TDS and temperature. The meter comes with the H1 7630 probe, a combination conductivity/TDS/temperature probe. The EC-TDS conversion factor and temperature coefficient factor are user-adjustable for application-specific measurements. The meter is waterproof and resistant to chemicals. Conductivity meters are commonly used in the water-quality testing, waste-water treatment, hydroponics, agriculture, and aquaculture industries, in cosmetics manufacturing, and in laboratory research.

Specifications

 

H is height, the vertical distance from lowest to highest point; W is width, the horizontal distance from left to right; D is depth, the horizontal distance from front to back.

Conductivity meters, also known as electrical conductivity (EC) meters, measure the ability of a solution or material to conduct an electrical current. This measurement helps determine if the solution is, for example, contaminated or contains too much saline. In general, pure solutions, such as distilled water, have low conductivity. More saline- or nutrient-rich solutions, such as seawater or fertilizers, have high conductivity. Conductivity measurements are often used with total dissolved solids (TDS) measurements, which are typically expressed in ppm (parts per million). TDS consist of dissolved minerals and salts. To determine the amount of TDS, conductivity is measured, and the result is converted to a TDS measurement. Different meters provide results for conductivity, TDS, or both, and the application determines meter selection. Conductivity meters are used in research laboratories and a variety of industries, such as water-quality testing, waste-water treatment, hydroponics, agriculture, aquaculture, and cosmetics manufacturing.

Hanna Instruments manufactures analytical instrumentation and supplies, including pH meters, electrodes, chemical reagents, and buffer solutions. The company, founded in 1978 and headquartered in Woonsocket, RI, meets International Organization for Standardization (ISO) standard 9001.