IRROMETER Company, Inc. has been in business since 1951 manufacturing soil moisture measuring, controlling, and sampling instruments used worldwide for scheduling irrigation. Principal brand names are IRROMETER ( tensiometer ) and WATERMARK ( electrical resistance granular matrix sensor ). These soil water potential/tension measuring instruments originated in the early part of the 20th Century for use by soil and plant scientists measuring soil water status in their experiments. The IRROMETER Company was the first to produce commercially viable versions of this technology, and although this technology is scientific instrumentation, the instruments are inexpensive and easy to use for all irrigation applications. The use of soil moisture based irrigation scheduling has been proven an efficient way to deliver irrigation water for agriculture, nursery, greenhouse and landscape /urban irrigation. Further, the instrumentation can be used for controlling (automatic irrigation systems) and signaling (for data logging systems and inputs to weather stations). Since 1951, IRROMETER Company has dedicated itself to - "Optimizing Irrigation... Maximizing Conservation... Worldwide Since 1951" Select a link below for additional details about our range of soil moisture products: Soil Moisture Measurement Landscape Control Products Data Loggers Nutrient Management Downloads Dealers of Irrometer Products Irrometer Company Information Consultants Working with Irrometer Products Irrometer Knowledge Base Soil Moisture Basics

Featured Products: Homeowners: Our WaterSwitch is an inexpensive way to make your controller a Smart Controller Wireless Data Logging: The 950R Wireless Monitor eliminates the need for wire between the sensors and the data logger Web Reporting Service: Our WRS automatically collects data and makes it available to users on the internet- anywhere, anytime.