Boom Extensions

Extend and retrofit NRG booms to meet your project’s needs with our boom extensions and adapter kits.

 
Description
Boom type n/a n/a Boom extension n/a straight stub mast for mounting standard NRG sensors offset boom for mounting standard NRG sensors
Applications n/a n/a For mounting WindSensor P2546-OPR or Thies First Class Advanced Anemometers onto 2.4 m (95") NRG side mount booms n/a wind resource assessment; for mounting one NRG #40 Anemometer or one NRG #200P Wind Direction Vane wind resource assessment; for mounting one NRG #40 Anemometer or one NRG #200P Wind Direction Vane
Sensor compatibility n/a n/a
  • WindSensor P2546-OPR Anemometer
  • Thies First Class Advanced Anemometer (must use one Thies Adapter, #9344)
 n/a
  • NRG #40 Anemometer
  • NRG #200P Wind Direction Vane
  • NRG #40 Anemometer
  • NRG #200P Wind Direction Vane
Tower compatibility n/a n/a Any NRG TallTower with 2.4 m (95") NRG booms (#4214) n/a any vertical mast up to 203 mm (8 inches) diameter any vertical mast up to 203 mm (8 inches) diameter
Installation
Mounting n/a n/a Retrofits existing 95" NRG tubular boom (#4214) to enable first class anemometer mounting n/a
  • stub clamps to tower or boom with supplied hose clamps
  • sensor mounts to boom with set screw and cotter pin
  • stub clamps to tower or boom with supplied hose clamps
  • sensor mounts to boom with set screw and cotter pin
Tools required n/a n/a 5/16" hex socket bit for drill, 3/8" open end wrench or socket driver, tape measure n/a
  • 5/16 inch hex driver or flat blade (-) screwdriver for hose clamps
  • Phillips head (+) screwdriver to mount sensor
  • 5/16 inch hex driver or flat blade (-) screwdriver for hose clamps
  • Phillips head (+) screwdriver to mount sensor
Recommended for installation n/a n/a Battery operated drill with clutch n/a
  • electric drill for tightening hose clamps
  • sheet metal shears or similar for trimming hose clamps
  • electric drill for tightening hose clamps
  • sheet metal shears or similar for trimming hose clamps
Environmental
Lifespan n/a n/a n/a n/a 2 years + 2 years +
Physical
Weight n/a n/a n/a n/a 0.18 kg (0.4 pounds) 0.23 kg (0.5 pounds)
Overall boom length n/a n/a n/a n/a 406 mm (16") 343 mm (13.5 inches)
Boom diameter n/a n/a n/a n/a 13 mm (0.5 inches) 13 mm (0.5 inches)
Offset distance n/a n/a n/a n/a n/a Adds 330 mm (13") to the Offset Distance of the attached boom
Offset height n/a n/a WindSensor cup height above horizontal boom arm:
38.1cm (15.0")

Thies cup height above horizontal boom arm:
38.6cm (15.2") 		n/a Adds 362 mm (14.25") to the Offset Height of the attached boom Adds 114 mm (4.5") to the Offset Height of the attached boom
Rod diameter n/a n/a 3/4" tubing n/a n/a n/a
Materials
Boom n/a n/a Galvanized steel tubing n/a 13 mm (0.5 inch) galvanized steel tube 13 mm (0.5 inch) galvanized steel tube

NRG Systems • 110 Riggs Road • Hinesburg, Vermont 05461 • +1 802-482-2255 • info@nrgsystems.com