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Cảm biến đo tốc độ gió hãng Vector Instruments

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Cảm biến đo tốc độ gió hãng Vector Instruments

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0984.843.683.

Email: hien@ttech.vn

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Cảm biến đo tốc độ gió hãng Vector Instruments

Our A100 Series Anemometers are robustly constructed using weather resisting plastics, anodised aluminium and stainless steels enabling them to withstand continuous exposure to the weather, including marine environments, making them suitable for a wide range of applications where accuracy and sensitivity are important.

The A100 series anemometers all share the same basic construction and use the same R30 series 3-cup Rotors. Different internal modules and components are used to provide various output signals. The use of a precision ball-race mounted shaft ensures the essential low threshold speed and good repeatability. The outline and mechanical design, common to all the A100 series, remains largely unchanged since the introduction of the original Porton™ Anemometer in 1972, the electronics modules being continuously developed during this time to provide a well tried, durable and reliable product.

Anemometers have, until recent years, only been calibrated/evaluated in wind tunnels. Investigation by the wind power industry has found that various anemometer designs behave differently in field conditions where there is considerable turbulence. The Vector Instruments A100 design is one of a very few which has been subjected to field trials, and these have shown that Vector Instruments' A100L2, A100LK, A100K and A100LM anemometers (using the R30/K2, R30/K and R30/M3 rotors) are amongst the very few cup anemometer designs which can be classified as having "First Class" performance according to the requirements of the IEC61400-12-1 when suitably sited and operated. This high performance classification means that measurements are accurate in the actual wind conditions experienced in the field (as opposed to just being accurate in the artificial conditions of a low-turbulence wind tunnel) making them the clear choice for wind assessment applications.

In operation, the wind causes the rotor to rotate at a speed proportional to the wind speed. This rotation is sensed in our optoelectronic anemometers using a slotted disk and an optical beam. In the case of the switching anemometer the rotation is sensed using a balanced system of magnets and a reed-switch.

Options common to all the anemometers include anti-icing heaters, marine versions/rotors and mounting adaptors and anti-surge protection.

See also:

Anemometers for Wind Turbine Testing and Wind Farm Site Assessment.

additional information regarding obtaining the highest accuracy measurements with our instruments.

MEASNET calibrations and IEC classification/standards.

What is the difference between "M" and "K" type instruments (e.g. A100LM and A100LK) ?

Do I have to use a "K" instrument to measure the wind speed in knots and a "M" instrument to measure in m/s ?

What is the A100R/K variant and why/when should it be used?

What is the "K" in A100R/K for?

First Class Anemometers for Wind Turbine Testing and Wind Farm Site Assessment (Wind Assessment):
*Type*	*Output Signal Type/Range*	*Resolution*	*Power Supply Required*	*Additional Features*	*Typical Applications*
A100L2	0..1500Hz = 0..150Knots (10Hz per Knot nominal)	0.05m	6.5 to 28V DC powered (@1.5mA typical)	First Class, Low power, Analog/Voltage Output: 0..2.5v = 0..150Knots nominal [for higher output voltage/signal, see Porton A100 & A100H models below]	Datalogger/AWS/WindAssessment
A100LK	0..1500Hz = 0..150Knots (10Hz per Knot nominal)	0.05m	4.75 to 28V DC powered (@1mA typical)	First Class, Low power	Datalogger/AWS/WindAssessment
A100LM	0..750Hz = 0..75m/s (10Hz per m/s nominal)	0.1m	4.75 to 28V DC powered (@1mA typical)	First Class, Low power	Datalogger/AWS/WindAssessment
A100AC	2 pulses per revolution (1.554Hz per m/s nominal)	0.625m	No power required	First Class, low-level AC output signal, optimal cosine response	Datalogger/AWS/WindAssessment
A100R/K	1 pulse per revolution (1.287m wind-run = 0.777Hz per m/s nominal)	1.25m	No power required	First Class, reed-switch transducer, optimal cosine response	Datalogger/AWS/WindAssessment

Other Anemometers:
*Type*	*Output Signal Type/Range*	*Resolution*	*Power Supply Required*	*Additional Features*	*Typical Applications*
A100 Porton	analog/voltage signal 0..10V = 0..100Knots (nominal)	0.05m	10 to 30V DC powered	High-Level Analog/Voltage Output: 0..10v = 0..100Knots nominal (NO pulse/frequency output signal)	Datalogger/AWS/PLC/Industrial
A100H Porton	analog/voltage signal 0..7.5V = 0..75m/s (nominal)	0.1m	10 to 30V DC powered	High-Level Analog/Voltage Output: 0..7.5v = 0..75m/s nominal (NO pulse/frequency output signal)	Datalogger/AWS/PLC/Industrial
A100M	0..750Hz = 0..75m/s (10Hz per m/s nominal)	0.1m	10 to 30V DC powered (@35mA max)	Anti-Surge	Industrial/control/PLC
A100K	0..1500Hz = 0..150Knots (10Hz per Knot nominal)	0.05m	10 to 30V DC powered (@35mA max)	Anti-Surge	Industrial/control/PLC
A100S	1 pulse per revolution (1.25m wind-run = 0.8Hz per m/s nominal)	1.25m	10 to 30V DC powered (@35mA max)	Anti-Surge	Industrial/control/PLC
A100R	1 pulse per revolution (1.25m wind-run = 0.8Hz per m/s nominal)	1.25m	No power required	reed switch transducer	Datalogger/AWS/PLC