Dynagage Sap Flow Sensor
3Pages

Dynagage™ Sap Flow Sen Dynagage Summary The Dynagage Sap Flow Sensors are the latest technology for measuring the sap flow, and thus the water consumption of plants. These energy balance sensors measure the amount of heat carried by the sap which is converted into real-time sap flow in grams or kilograms per hour. The sensors are non-intrusive and not harmful since the plants are heated up 1° C to 5° C typically. The principles of heat balance sensors are scientifically proven and references exist for most major crops and many tree species. Unlike other methods, Dynagages require no calibration since sap flux is directly determined by the energy balance and rates of heat convection by the sap flow. The need for this new technology is great because it is an affordable and practical way to measure the water use by plants of agricultural, economic and ecological importance. Plants in greenhouses, nurseries or in natural environments can be measured with the same ease. Dynamax introduced the first sap flow sensor prototypes in 1988 and today offers a full range of sensors from 2 mm up to 150 mm. Microsensors 2 to 5 mm The Dynagage Microsensors measure transpiration by small diameter crops, cereals, seedlings or floricultural species. Petiole and peduncle sap flow measurements are now possible. Features • Durable acrylic shell, patented hinged clam-shell design • Flexible inner core conforms to stem shape • Very low power 0.07 W Stem Gages 9 to 32 mm Features • Direct transpiration measurement • Strap-on sensor collar • Non-invasive and flexible • Constant heat-energy balance • Real-time monitoring and recording • 1 year warranty Benefits • Absolute measurement and no calibration required • Reusable and portable • Harmless and conforms to plant size • Reliable and proven method • Measures absolute mass-flow • Helps correct decision making

Trunk gages are unique tools for the measurement of sap flow in trees. A myriad of applications are solved by knowing tree water usage. Trunk flow gages have advanced designs that combine all temperature signals into three signal outputs and a heater voltage sensing output compatible with all other Dynagage signal connections. Trunk gages have four or eight pairs of differential temperature sensors spaced around the circumference of the trunk, as shown in the chart below. This advanced design ensures that flow rates that vary around the circumference are accurately monitored and averaged...

Dynagage™ Applications Dynagage Applications SGA5 microsensor, with weather shield, monitors okra plant transpiration. Agricultural Engineer Hydrology Agricultural Consultant Irrigation Systems Botanist Orchard Monitor Citrus Grower Ornamentals Crop Science Plant Physiologist Crop Physiology Phytoremediation Entemology Pollution Studies Extension Service Pomology Farm Industry Reforestation Fertilizer Evaluation River Water Authority Genetic Engineering Seed Genetics Global Climate Change Tree Farm Greenhouse Control Weed Science Forestry Planning Water Conservation Horticulture Xeriscape...