ITAS - Ekspert på målesystemer

Produkter fra alle leverandører: Sensorer Meteorologi   Vindmåler   Produkter fra denne leverandøren: Thies   Sensorer Meteorologi   

Ultrasonic Anemometer 2D

Measurement of Wind direction and Wind velocity

• highest precision
• maintenance-free / with heating
• digital and analogue outputs

Produsent/Leverandør: Thies

Spesifikasjoner

Technical Data

Wind velocity

Measuring range

0...75 m/s, scaling of the analogue output is free selectable

Accuracy (RMS-average over 360°)

± 0,1 m/s, iin the range 0... 5 m/s, or. ± 2 % of meas. value, from > 5 m/s

Wind direction

Measuring range

0...360º

Accuracy

± 1º

Data output digital

Interface

RS 485 / 422

Baud rate

1200 bis 230400 selectable

Output

Instantan. values, wind velocity, -direction and acoustic-virtual temperature.
gliding mean values 0,5 sec ... 100 min. free selectable
Standard deviation for wind velocity, wind direction and acoustic-virtual temperature.
Pre-defined and user-defined telegrams

Output rate

1 per 1 msec to 1 per 60 seconds, selectable in msec

Status recognition

Heating, measurement path failure, ΔT path temperatures

Data output analogue

Electr. output

0/2...10 V or 0/4...20 mA, wind velocity, Wind direction and virt. temperature

Output

Instantan. values, gliding mean values 0,5 sec to 100 min free selectable

Resolution

16 bit

Output rate

Up-date rate 1Hz to 100 Hz selectable

Load at power output

max. 400 Ohm

Load at voltage output

min. 4000 Ohm

Analogue Inputs

 

Number

Up to five analogue inputs possible. 3x standard, 2x optional

Resolution

16 Bit

Scanning rate

0,1 Hz bis 100 Hz per channel

Input range

0 - 10V

Data processing

Output of the measuring values in the user-specific telegram.

Accuracy

± 0,1% in the range -50 ... +70°C

Linearity, integral

INL: type <6LSB

Effective low-noise bits

Type 14 Bit at DC-supply for avoidance of cross-talking in the connection line

General

Internal measuring rate

400 Hz at 25 ºC

Supply electronics

8 V to 42 V DC type. 1,5 VA, max. 2,5 VA
12 V to 30 V AC type. 1,5 VA, max. 2,5 VA

Supply heating

24V AC/DC ±15%; type. 80 VA, max. 90 VA @ 24 V

Temperature range

operating - 50 ... +70 °C; storing -50 ... +80°C measurement operation with heating possible up to -75°C

Icing resistance

acc. to THIES STD 012001

Icing resistance

acc. to THIES STD 012002

EMC

EN 55022: 1998 class B; EN 55024: 1998
EN 61326: 1997, A3: 2003
Intensity of radio interfering field and stability, both class B

Mouting

onto mast tube 1½", for ex. DIN 2441

Connection

8 pole plug connector in the shaft or with connected cable

Weight

2,5 kg

Virtual Temperature

Measuring range

- 50...+70 ºC

Accuracy

± 0,5 K to 35 m/s