• Adcon use the C-Probe in conjunction with tlemetry in their systems. Suppliers listing

• Aquapro sensors supply complete measurement and scheduling services. The website includes practical guides on installation and usage of both their direct burial and access tube based systems. They offer an irrigation controller that switches irrigation on when a set level of dryness is reached....

• Dynamax, Inc. manufactures and distributes a wide range of irrigation scheduling and soil moisture measurement equipment for private, commercial and research markets. Our most popular products include the IL2-MC irrigation system controller system, the IL2-MS soil moisture and irrigation scheduler, TH20 soil moisture meter and the industry standard Vadose TDR system for soil moisture research applications. In the USA Dynamax distributes Delta-T Devices’ GP1 data logger and irrigation monitor, DL6 soil moisture logger and the SM200 or ML2 soil moisture sensor, as well the PR2 soil moisture profile probes. Suppliers listing

• Sentek use the EnviroSCAN in their system. Suppliers listing

• ESI uses the Gro-Point in their system. Suppliers listing

• Intelligent Irrigation Systems (IIS) is an Australian-based company supplying high quality irrigation management systems around the world. ESI is pleased to be the distributor and support dealer for IIS in North America. Irrigation control systems available range from a simple, stand-alone irrigation controller to highly sophisticated systems, consisting of a centralized PC integrating information from dozens of field units.

• Clearwater Supply has a Watermark based system Suppliers listing

• MeasureTek Inc. has a Little Log-It system that uses 4 Watermark sensors. Suppliers listing

• Spectrum Technologies Inc. have a Watermark sensor and Watchdog datalogger based system. Suppliers listing

• Streats Instruments Ltd. use their unique Aquaflex sensor. Suppliers listing

• Watermatic Irrigation Company use the Watermatic sensor. Suppliers listing

• Your company here... contact me to add your link

• South African based software and monitoring service. Contact Jac le Roux at jac@irrinet.net

Irrigation and Scheduling is better covered by other web resources - listed below

RAM pumps North Carolina State University Extension has a good online publication on the web about hydraulic water ram pumps describing in detail the hydraulic water ram pump and its principle of operation.

Relevant Links

• Irrigation of Commercial Forestry a state of the nation (as at 18 Dec 1998)

Campbell Scientific supports Sowacs

Data Logging Application and Measurement Systems Engineers


Soil Moisture Meter



Remote data acquisition and control systems


PRISM - CMP by Irrigation Scheduling Methods, Inc.

Research, Products, Consultancy on Real-Time Water Dynamics