The ATMOS 22 Ultrasonic Wind Anemometer is a reliable, accurate, and affordable solution for measuring wind conditions. With no moving parts, easy installation, and digital communication, it provides dependable wind speed, gust, and direction measurements for long-term environmental monitoring.
Specifications
Measurement Specifications
| Parameter | Specification |
|---|---|
| Horizontal Wind Speed | Range: 0–30 m/s Resolution: 0.01 m/s Accuracy: the greater of 0.3 m/s or 3% of measurement |
| Wind Gust | Range: 0–30 m/s Resolution: 0.01 m/s Accuracy: the greater of 0.3 m/s or 3% of measurement |
| Wind Direction | Range: 0 – 359° Resolution: 1° Accuracy: ±5° |
| Tilt | Range: -90–90 ° Resolution: 0.1° Accuracy: ±1 ° |
Communication Specifications
| Parameter | Specification |
|---|---|
| Output | SDI-12 communication |
| Data Logger Compatibility | METER ZL6, Em50, and EM60 data loggers or any data acquisition systems capable of 3.6- to 15.0-VDC excitation and SDI-12 communication |
Physical Specifications
| Parameter | Specification |
|---|---|
| Dimensions | Diameter: 10.0 cm (3.94 in) Height: 16.0 cm (6.30 in) |
| Operating Temperature Range | Minimum: -50.00 °C Maximum: 60.00 °C |
| Cable Length | 5 m (standard) 75 m (maximum custom cable length) NOTE: Contact Customer Support if a nonstandard cable length is needed. |
| Connector Types | 3.5 mm stereo plug connector or stripped and tinned wires |
Electrical and Timing Characteristics
| Parameter | Specification |
|---|---|
| Supply Voltage (VCC to GND) | Minimum: 3.6 VDC continuous Maximum: 15.0 VDC continuous NOTE: The ATMOS 22 must be continuously powered to work properly. NOTE: For the ATMOS 22 to meet digital logic levels specified by SDI-12, it must be excited at 3.9 VDC or greater. |
| Digital Input Voltage (Logic High) | Minimum: 2.8 V Typical: 3.6 V Maximum: 5.0 V |
| Digital Input Voltage (Logic Low) | Minimum: –0.3 V Typical: 0.0 V Maximum: 0.8 V |
| Digital Output Voltage (Logic High) | Typical: 3.6 V NOTE: For the ATMOS 22 to meet digital logic levels specified by SDI-12, it must be excited at 3.9 VDC or greater. |
| Power Line Slew Rate | Minimum: 1.0 V/ms |
| Current Drain (During Measurement) | Minimum: 0.2 mA Typical: 8.0 mA Maximum: 33.0 mA |
| Current Drain (While Asleep) | Minimum: 0.2 mA Typical: 0.3 mA Maximum: 0.4 mA |
| Power Up Time (SDI Ready) — other commands | Typical: 130 ms |
| Power Up Time (SDI Ready) — aRx! commands | Typical: 10 s |
| Power Up Time (SDI-12, DDI Disabled) | Typical: 200 ms |
| Measurement Duration | Typical: 110 ms Maximum: 3000 ms |
Other
| Parameter | Specification |
|---|---|
| Compliance | EM ISO/IEC 17050:2010 (CE Mark) |
| Prop 65 warning | Prop 65 warning |
| GSA | View GSA details |
Meteorological Stations
Meteorological Stations
Greenhouse Monitoring
Environmental Monitoring
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