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Windspeed Limited (trading as Vector Instruments)
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Latest Weather...
(Rhyl, N.Wales, UK) |
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| A100L2 Low Power Anemometer (Analog+Pulse Outputs) |
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This anemometer was developed from the proven A100 Porton™ instrument and R30 rotor design in response to demand for an anemometer offering pulse/frequency and analogue voltage outputs while consuming little supply current.
The low power consumption, wide power supply range and choice of pulse/frequency and analogue voltage output signals make this anemometer a popular choice for use with data loggers for applications such as general meteorology and wind-power site surveying as this instrument has first class performance.
A slotted disk interrupting a light beam is used to detect the motion of the calibrated R30 series 3-cup rotor and hence determine the wind speed. The internal electronics condition this pulse signal for output as a 5V squarewave and use it to generate an analogue voltage proportional to the wind speed.
The A100L2 has a "secondary" analog/voltage output signal in addition to the "primary" pulse/frequency output signal, however the analog/voltage signal is less accurate (see specsheet) and we advise that only the pulse/frequency signal be used in applications requiring the highest accuracy (such as Wind Assessment).
Please refer to the A100LK for a similar anemometer with pulse/frequency output signal only.
For similar anemometers with a larger, and more stable, analog/voltage output signal type, please refer to our A100L2/E or A100L2/H anemometer models.
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Construction is from anodised aluminium alloys, stainless steels and weather resisting plastics for exposed parts. Precision corrosion resistant ball-races and a stainless steel shaft enable the R30 rotor response to produce a highly sensitive yet robust instrument suitable for continuous exposure to the weather.
Options for this anemometer include:/PC3 Anti-Surge protection/HE-4 Internal Anti-Icing Heater/HE-1 & /HE-2 External/Retrofit Anti-Icing Heaters/WR Marine Version
Note: /WR, /HE-1 and /HE-2 are not recommended for high precision applications.
The recommended mounting adaptors for use with this instrument are our type 405 and 405-1 series.
Vector Instruments A100L2 Anemometers are among the very few available having Class 1 performance ("First Class") according to the requirements of IEC and MEASNET standards.
Specification Highlights:
| Threshold: | 0.15m/s (0.3Kt) | | Starting Speed: | 0.2m/s (0.4Kt) | | Stopping Speed: | 0.1m/s (0.2Kt) | | Maximum Windspeed: | over 75m/s (146Kts) | | Temperature Range: | -30 to +70 °C | | Accuracy (Pulse O/P): | 1% of reading between 20Kts and 110Kts (2% above 110Kts, 0.2Kts below 20Kts) | | Non-Linearity (Pulse O/P): | 0.4% full-range output frequency (correction curve supplied) | | Distance Constant: | 2.3m +/-10% (R30 rotor) | | Overall Non-Linearity (Analog O/P): | 0.9% FRO (0..150Kts, at const. temp/supply voltage, rotor+ratemeter correction curve supplied). | | Temperature stability (Analog O/P): | +/-2% of output (over -30..+40°C range). | | Supply Voltage: | 6.5..28V DC (max 2mA, average is typically less than 1mA) | | Analog Output Signal: | 0 to 2.5V = 0 to 150Kts | | Pulse Output Signal: | 0V / 5V, at 10Hz per Knot (i.e. 0..1500Hz = 0-150Kts) | | Resolution: | 5.15cm | | Rotor: | 3-cup R30K (standard) | | Dimensions: | This instrument is constructed using our standard rotor and anemometer body design and dimensions. | | Wiring/Connections (Cable colours): | For wiring details click HERE | | Cable: | 3m (9ft10in) permanently attached 6-conductor* cable with braided shield/screen as standard. Longer lengths are available to order (up to 115m). Spec: Def Stan 61-12 part 4, 0.22mm²(∼24AWG). *Note: 8-conductor used for /HE4 models. | | MEASNET/IEC Calibration Certificate (optional extra): | The A100L2 Anemometer is available with an IEC/MEASNET Calibration Certificate on the pulse/frequency output channel (for an additional charge) | | Regulatory/Certifications: : |  CE and UKCA Marked for RoHS3 (RoHS2+Phthlatales amendments) and EMC |
Notes: | | | Specifications are correct at time of writing and may change without notice. Please contact us to confirm the latest specifications. |
Additional Information:
This instrument is commonly used in conjunction with our W200P Windvane.
FAQ: Obtaining Slope/Offset Figures
FAQ: IP Ratings
Please call/email us if you would like access to additional product information, data and specification sheets for this product.
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Windspeed Limited (trading as Vector Instruments),
113 Marsh Road, RHYL, North Wales, LL18 2AB, United Kingdom
Tel: +44 (0) 1745 350700 Fax: +44 (0) 1745 344206
Email: sales@windspeed.co.uk
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Website design and content is copyright (c) 2003-2023 Windspeed Limited (unless otherise stated). All trademarks are acknowledged.
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A100 Series Anemometers
