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NRG #40 Anemometer

NRG #40
Anemometer

The NRG #40C anemometer is the industry standard anemometer used worldwide. NRG #40 anemometers have recorded
wind speeds of 96 m/s (214 mph).
Their low moment of inertia and unique bearings permit very rapid response to gusts and lulls.
Because of their output linearity, these sensors are ideal for use with various data retrieval systems. A four pole magnet
induces a sine wave voltage into a coil producing an output signal with a frequency proportional to wind speed.
The #40C is constructed of rugged Lexan cups molded in one piece for repeatable performance.
A protective rubber terminal boot is included.

FEATURES

• The standard anemometer used in the wind energy industry
• Short distance constant
• Voice call feature allows on-site programming and testing of iPack communications.
• Simple, durable design

SPECIFICATIONS

Description	Instrument type	12 channel internet-enabled micropower wind energy data logger
	Applications	• wind resource assessment • turbine power performance verification
	Sensor compatibility - counter channels	• NRG #40 anemometer • rain gauge • opto anemometer • reed switch anemometer
	Sensor compatibility - analog channels	• NRG 200P direction vane • NRG 110S temperature • Li-Cor 200SA pyranometer • NRG BP-20 absolute pressure (requires optional iPack power) • RH-5 relative humidity (requires optional iPack power)
Data Collection	Counter channels	Channels 1 - 6 are always counter inputs: • channels 1 - 3 dedicated for NRG #40 anemometer or compatible • channels 4 - 6 use counter Signal Conditioning Modules (SCMs) to configure the channel for a particular sensor
	Analog channels	Channels 7 - 12 are always analog inputs: • channels 7 and 8 dedicated for NRG 200P (potentiometer) direction vane • channels 9 - 12 use analog Signal Conditioning Modules (SCMs) to configure each channel for a particular sensor
	Sampling interval	2 seconds
	Averaging interval	10 minute fixed
	Real time clock	internal battery-backed with leap year correction, Y2K to 2099
	Storage medium	16 MB MultiMedia Card (MMC), non-volatile FLASH
	Maximum data storage	664 days
	Parameters recorded for each channel	• each data interval is time-stamped • average • standard deviation • min • max
	File format	• Windows compatible • (1) 14 KB binary file per day • header includes site, serial number and sensor information
	Software	Symphonie Data Retriever for Windows (included) • scales raw data • creates measurement database for each site • creates basic reports • maintains site and sensor information • configures iPacks
	Reader	Windows compatible MMC reader accesses data stored on MMC as disk files
	Data delivery	• MMC cards • internet email via GSM, AMPS or dial-up with optional iPack
Resolution	Analog measurement resolution	0.1% of full scale (1024 counts)
	Counter average stored resolution	0.1% of the value stored
	Analog average stored resolution	0.1% of the value stored
	Min / Max stored resolution	0.3% of the value stored
	Standard deviation stored resolution	4% of the value stored
Configuration	User interface	• Liquid Crystal Display (LCD) 4 x 20 characters • 16 key pad (6 navigation keys plus numeric/phone pad) with audible feedback
	Configurable parameters	• clock • time zone • site number • display scaling (defaults are provided for each channel based on channel type)
	iPack options	• iPack configured via serial port connection to your PC • serial connection direct to iPack or through logger's iPack access port • Symphonie Data Retriever for Windows integrates iPack settings
Connections	Sensor wiring	• sensors connect to field wiring panel • field wiring panel plugs into logger • ground stud to connect to earth ground • male DB25 interfaces to one optional iPack communications module • iPack access port facilitates field programming and accepts headset for voice calls • 3 SCM slots for counter SCMs • 4 SCM slots for analog SCMs
Power requirements	Batteries	(2) 1.5 Volt D-Cell Batteries (included) • nominal voltage: 1.5 Volts • minimum voltage: 0.9 Volts • battery life approximately one year, depending on configuration
	External power input	provided by any iPack
	External solar input	provided by any iPack
	Other	optional iPacks provide 12V power required by some sensors. PV/Battery only iPack provides power to sensors and logger for stand alone configurations.
Installation	Mounting	• mounts with 4 bolts (included) to keyed slots inside of metal shelter box • shelter box attaches to tower with hose clamps
Installation	Tools required	• screwdriver for input terminals, included • 8 mm (5/16 inch) wrench or nut driver for logger mounting screws • 3/8 inch wrench or nut driver for logger ground nuts
Power requirements	Batteries	(2) 1.5 Volt D-Cell Batteries (included) • nominal voltage: 1.5 Volts • minimum voltage: 0.9 Volts • battery life approximately one year, depending on configuration
	External power input	provided by any iPack
	External solar input	provided by any iPack
	Other	optional iPacks provide 12V power required by some sensors. PV/Battery only iPack provides power to sensors and logger for stand alone configurations.
Environmental	Operating temperature range	-40 °C to 65 °C (-40 °F to 149 °F) Note: display readable -30 °C to 55 °C (-22 °F to 130 °F)
	Operating humidity range	0 to 100% RH non-condensing
	Lifespan	10 years +
Physical	Weight	1.3 kg (2.6 pounds), including batteries
Physical	Dimensions	(Including Field Wiring Panel) 22.2 cm height, 18.8 cm width, 7.7 cm depth (8.7 x 7.4 x 3.0 in.)
Materials	Faceplate	injection molded black ABS
	Buttons	white elastomer dome keypad
	Wiring panel	fiberglass-epoxy terminal board, sealed gold plated pins, zinc plated Materials screws and terminals
	Enclosure	weatherproof polycarbonate, meets the following specifications • NEMA type 4, 4X & 13 • IEC : IP65