SenSpot™ Wireless Surface Velocity Radar Ultra-Low Power Precision Sensing & Wireless Communication Typical Applications ▪ Flood monitoring ▪ Scour monitoring ▪ Hydrometeorology ▪ Ocean science ▪ Academic research ▪ Monitoring open channels flow, including: ✓ ✓ ✓ ✓ ✓ ✓ Rivers Streams Canals Irrigation canals Outlet/inlets Process water canals Specifications ▪ Wireless communication: IEEE 802.15.4 ▪ Wireless communication range: 1.0km (0.62 mile) free space Ingress Protection: IP67, weatherproof, waterproof, protected against rain, snow, and UV exposure Working temperature: -40°C to +85°C (-40°F to +185°F) Accuracy: ✓ +/- 2% of measured value (0.08 m/s to 4 m/s) (0.26 to 13.12 ft/s) ✓ +/- 2.5% of measured value (4 m/s to 12 m/s) (13.12 to 39.37 ft/s) Resolution: 0.1 mm/s (0.0003 ft/s)

Measurement range velocity: 0.08 to 15 m/s (0.26 to 49.12 ft/s), depending on flow conditions Direction distance: 1 to 50 m (3.3 to 164 ft.) Distance Water: 0.5 to 25 m (1.64 to 82 ft.) Rotation range of swivel mount: ✓ Lateral axis: ± 90° ✓ Longitudinal axis: ± 15° Dimensions: ✓ Wireless transceiver box: 140mm (5.50”) x 105mm (4.12”) x 62mm (2.44”) ✓ Velocity sensor: 134.5mm (5.3”) x 114.5mm (4.5”) x 80mm (3.2”) ✓ Solar panel: 140mm (5.5”) x 114 mm (4.5”) x 89 mm (3.5”) Weight: ✓ Wireless transceiver: 120 g (4.2 oz) ✓ Velocity sensor (without mounting bracket): 820 g (28.9 oz) ✓ Velocity sensor...

Wireless Transceiver Dimension Figure 1: Wireless transceiver dimensions for Surface Velocity Radar/Sensor. All dimensions are in inch. Email: [email protected]