Water conservation By Acclima Closed-Loop Irrigation Control Sensor-Based Precision Irrigation system by Acclima Water conservation By Acclima

Water conservation By Acclima Conventional Clock-Based Irrigation Control Manual Program Entry Timer Program Execution Occasional Manual Correction Prompted by Stress or Saturation Open Loop: No Automatic Feedback to Control Moisture Level Water conservation By Acclima

Water conservation By Acclima Evapo-Transpiration-Based Irrigation Control Complex Parametric Input with Regular Adjustment Weather Station, Computer and Communications Means ET Enabled Clock Open Loop: No Automatic Feedback to Control Moisture Level Water conservation By Acclima

Soil Moisture-Based Irrigation Control One-Time Moisture Threshold Inputs Feedback-Enabled Automatic Controller Closed Loop: Automatic Feedback Maintains Proper Root Zone Moisture Water conservation By Acclima

Water conservation By Acclima Instability – The #1 Problem Temperature Non-Digital TDT Moisture Sensors Water Content Electrical Conductivity Sensor Output is a Complex Function of all Three Input Variables Water conservation By Acclima

Water conservation By Acclima XTra Sensor Stability -- Temperature Less Than 1% Deviation 25 Reading in % Water 20 1 Temperature in Degrees Celsius 50 Water conservation By Acclima

Water conservation By Acclima XTra Sensor Stability – Electrical Conductivity Less Than 1% Deviation 25 Reading in % Water 20 2.5 In-Soil EC in dS/m Water conservation By Acclima

Water conservation By Acclima Increasing Water Content Saturation Area: Heavy Nutrient and Water Loss Root Putrefaction Field Capacity: Very Small Percolation Loss Allowable Depletion Limit Permanent Wilt Point: (dead grass) Water conservation By Acclima

Water conservation By Acclima Installing the Sensor – Techniques Install in representative area for the zone Avoid depressions Avoid high-traffic areas Avoid large rocks, tree roots Install in healthy turf Remove a 60cm square turf plug Install sensor 10cm deep Re-compact soil around rods to original compaction Replace turf plug and seal around edges Connect wires in a nearby value box Water conservation By Acclima

Water conservation By Acclima Advantages – Water Savings System Monitors ET in the Root Zone and Applies Just the Right Amount of Water to Hold Moisture in the Target Range All Weather, Soil and Plant Characteristics are taken into Accurate Account in the Measurements Upwards of 40% Water Savings can be Expected over a Well-Managed Controller Based System Water conservation By Acclima

Water conservation By Acclima Advantages – Maintenance Savings Seasonal Clock Adjustments are Eliminated System Automatically Accommodates Heavy Rains, Cool Periods, Hot Periods, Dry Winds without Need of Adjustment. Initial Settings Remain Stable Year after Year Water conservation By Acclima

Water conservation By Acclima Advantages – Environmental Issues Ground Water Contamination with Pesticides and Fertilizers is the Result of Over-Watering Crops and Turf. Enormous Reductions in Fertilizer and Pesticide Applications are Possible with Precision Irrigation. Eastern Oregon Onion Fields show 50% Reduction. Water conservation By Acclima

Water conservation By Acclima Advantages – Healthier Landscape Over-Watering Drives Oxygen out of the Soil and Putrefies Roots Over-Watering Leaches Nutrients and Pesticides from the Soil Over-Watering Develops Fungi in the Soil Over-Watering Weakens Drought Tolerance and Reinforces Over-Watering Under-Watering Stresses Lawns and Promotes Weed Growth Water conservation By Acclima

Water conservation By Acclima 8701 – EZ Pro Xtra Simple retro-fit design Single Sensor Works with existing controller Converts any 24V controller to Sensor-based System Easy Installation Water conservation By Acclima

Water conservation By Acclima 8710 – EZ Pro Max Central Control System Water on Demand 64-Zone capacity Run up to 16 sensors Buit-in modem Remote Control Access 2 Wire Connectivity Friendly Software Water conservation By Acclima

Water conservation By Acclima Communicating with other Devices 2-wire bus 1 valve 2 valves 4 valves 1 valve 2 valves Water conservation By Acclima

Water conservation By Acclima 2-Wire System Specifications Maximum distance for controller to any device: 1300m Maximum total paired wire load (unsheathed): 3300m Maximum total paired wire load (sheathed): 4950m Water conservation By Acclima

Water conservation By Acclima CSU Site Performance 8/1 to 9/16 (2004) Zone Type CSU Timer Minutes Acclima Minutes Water Savings Gear Drives 15 Zones 12,150 5,503 54.7% Spray Head 4 Zones 1,440 356 75.3% Total 19 Zones 13,590 5,859 56.9% Water conservation By Acclima

Water conservation By Acclima Clark County School District 2003 (Acclima) vs 2002 (ET) Maxicom Acclima m3 3,458 2,718 mm 215.39 169.93 %ET 102% 80.6% cost $34,963 $27,480 savings $7,483 (21.4%) Water conservation By Acclima