2-AXIS ULTRASONIC ANEMOMETER
WindSonic SDI-12
The SDI-12 output build, for SDI-12 logger networks.
Who specifies it. Hydrology and environmental monitoring networks standardised on SDI-12 loggers.

No moving parts
Ultrasonic wind measurement
Up to 60 m/s
2% RMSE accuracy at 12 m/s
Native SDI-12 output
Connects to SDI-12 loggers
IP66 rated
0.5 kg, -35 °C to +70 °C
WHERE IT SITS
WindSonic SDI-12 in the WindSonic range
MEASUREMENT
What the WindSonic SDI-12 measures
The WindSonic SDI-12 does not provide heating. That is available on other models in the range.
SPECIFICATION
Full specification
Figures from the current datasheet. Confirm the current issue before ordering.
Measurement
| Wind speed | 0 to 60 m/s (116 knots) |
|---|---|
| Direction range | 0 to 360°, no dead band |
| Accuracy | Wind speed ±2% RMSE at 12 m/s, direction ±2° RMSE at 12 m/s |
| Direction accuracy | 2 degrees RMSE at 12 m/s |
| Resolution | 0.01 m/s |
| Direction | 0 to 360 degrees, no dead band |
| Speed accuracy | 2% RMSE at 12 m/s |
| Starting threshold | 0.01 m/s |
Outputs and power
| Output rate | 0.25, 0.5, 1, 2 or 4 Hz |
|---|---|
| Outputs | SDI-12 |
| Interface | SDI-12 |
| Supply voltage | 10 to 30 V DC |
| Power | 10 V to 30 V DC |
Environment
| Operating temperature | -35 degrees C to +70 degrees C |
|---|---|
| Storage temperature | -40 degrees C to +80 degrees C |
| Ingress protection | IP66 |
| Heating | Unheated |
Mechanical
| Materials | LURAN S KR 2861/1C (ASA/PC) |
|---|---|
| Weight | 0.5 kg |
| Dimensions | 142 × 163 mm |
Approvals and documentation
| Datasheet | WindSonic_SDI_12 Iss 7 |
|---|
COMPARE
WindSonic SDI-12 against WindSonic 60, WindSonic 75: only what differs
| WindSonic SDI-12 | WindSonic 60 | WindSonic 75 | |
|---|---|---|---|
| Wind speed | 0 to 60 m/s (116 knots) | 0 to 60 m/s (116 knots) | 0 to 75 m/s (146 knots) |
| Construction | LURAN S KR 2861/1C (ASA/PC) | LURAN S KR 2861/1C (ASA/PC), 142 × 163 mm | LURAN S KR 2861/1C (ASA/PC) |
| Operating temperature | Not stated | -35 degrees C to +70 degrees C | -35 degrees C to +70 degrees C |
Show the 2 rows that are the same
| WindSonic SDI-12 | WindSonic 60 | WindSonic 75 | |
|---|---|---|---|
| Heating | Unheated | Unheated | Unheated |
| Weight | 0.5 kg | 0.5 kg | 0.5 kg |
WindSonic SDI-12 against the two models a buyer most often looks at alongside it. The whole range is on the WindSonic page. Compare the whole range
ACCESSORIES
Accessories for the WindSonic SDI-12
The parts that fit the WindSonic SDI-12: cable, mounting, set-up kit and spares.
In the box. Every WindSonic ships with its mating connector, so most installations only need cable and a mount.
Cables
- Cable, 4 pair, cut to length
- Cable, 4 pair, 15 m, pins fitted
Connectors
- Spare connector
Mounting
- Bracket for pole or wall mounting
- Support tube, 0.5 m
Spares
- Reflector assembly, black
- Reflector assembly, white
Order accessories with your sensor or on their own. Quote the part number when you get in touch.
QUESTIONS
Specification questions about the WindSonic SDI-12
What wind speed range does the WindSonic SDI-12 cover?
The WindSonic SDI-12 measures 0 to 60 m/s (116 knots).
How accurate is the WindSonic SDI-12?
The WindSonic SDI-12 is specified at wind speed ±2% RMSE at 12 m/s, direction ±2° RMSE at 12 m/s.
What resolution does the WindSonic SDI-12 report?
The WindSonic SDI-12 reports to 0.01 m/s.
What output rate does the WindSonic SDI-12 provide?
The WindSonic SDI-12 outputs at 0.25, 0.5, 1, 2 or 4 Hz.
What outputs does the WindSonic SDI-12 provide?
The WindSonic SDI-12 provides SDI-12.
What power supply does the WindSonic SDI-12 need?
The WindSonic SDI-12 requires 10 to 30 V DC.
What temperature range does the WindSonic SDI-12 operate over?
The WindSonic SDI-12 operates from -35 degrees C to +70 degrees C.
What storage temperature does the WindSonic SDI-12 allow?
-40 degrees C to +80 degrees C.
Have an application to discuss?
Speak to our team
Tell us what you need to measure, where and under what conditions. We’ll help you work out the appropriate approach.
Enquiring about WindSonic SDI-12
- Our team replies. Not an account manager, and not a queue.
- We aim to respond in one working day. Monday to Friday.
- No obligation. Just honest advice on whether Gill is the right fit.





































