PRECISION ULTRASONIC WIND SENSOR
WindObserver 90
The highest wind speed range in the WindObserver family.
WindObserver 90 measures 0 to 90 m/s, the widest range Gill offers in a 2-axis ultrasonic sensor. It is specified where the extreme of the wind record matters more than the update rate, for example on exposed structures and in storm-survival applications.
Heated, anti-icing head
Operating -55°C to +70°C
Up to 90 m/s
±4% accuracy at 90 m/s
Stainless steel 316
Sealed to IP66, NEMA 4X
Lloyd’s Register approved
Marine type approval
WHERE IT SITS
WindObserver 90 in the WindObserver range
Within the WindObserver family the models differ by measurement range, output rate, build and approvals rather than by measurement principle.
MEASUREMENT
What the WindObserver 90 measures
The WindObserver 90 is a precision 2-axis ultrasonic anemometer.
SPECIFICATION
Full specification
Figures from the WindObserver 90 datasheet, issue 14. Confirm the current issue before ordering.
Measurement
| Wind speed | 0 to 90 m/s (201 mph) |
|---|---|
| Direction range | 0 to 360°, no dead band |
| Accuracy | Wind speed ±2% at 12 m/s, direction ±2° at 12 m/s |
| Resolution | 0.01 m/s and 1° |
| Options | Calibration traceable to national standards |
Outputs and power
| Output rate | 1 to 4 Hz |
|---|---|
| Outputs | RS422 and RS485, full or half duplex. Modbus output variant available |
| Interface | RS422 or RS485, full or half duplex, baud 1200 to 38400 |
| Supply voltage | Anemometer 9 to 30 V DC |
| Power consumption | Heating 7 A at 24 V AC or DC |
Environment
| Ingress protection | IP66 (NEMA 4X) |
|---|---|
| Heating | Anti-icing, 7 A at 24 V AC or DC |
Mechanical
| Materials | Stainless steel 316 |
|---|---|
| Weight | 1.7 kg with 2 m cable, 1.3 kg with connector |
Approvals and documentation
| Certifications | Lloyd’s Register. EMC EN 61326-1:2013 and EN 60945:2002. Icing tested to MIL-STD-810F |
|---|---|
| Approvals | Lloyd’s Register, in the approvals table |
| Datasheet | 1390-0042 Iss 13 |
COMPARE
WindObserver 90 against WindObserver 75: only what differs
| WindObserver 90 | WindObserver 75 | |
|---|---|---|
| Wind speed | 0 to 90 m/s (201 mph) | 0 to 75 m/s (168 mph) |
| Approvals | Lloyd’s Register, in the approvals table | Lloyd’s Register Type Approved |
| Datasheet | 1390-0042 Iss 13 | 1390-0034 Iss 10 |
Show the 2 rows that are the same
| WindObserver 90 | WindObserver 75 | |
|---|---|---|
| Output rate | 1 to 4 Hz | 1 to 4 Hz |
| Weight | 1.7 kg with 2 m cable, 1.3 kg with connector | 1.7 kg with 2 m cable, 1.3 kg with connector |
The nearest sibling in the range. Confirm which specification the application actually needs before ordering either. Compare the whole range
ACCESSORIES
Accessories for the WindObserver 90
The parts that fit the WindObserver 90: cable, mounting, set-up kit and spares.
Chosen at order. The base connector, cable gland and base mount are part of the WindObserver order code. The parts below are for installation, set-up and spares.
Cables
- Cable, 9 pair, cut to length
Connectors
- Connector kit
Mounting
- Bracket for pole or wall mounting
- Base mount, short
- Base mount, long
- Base mount pipe adaptor
Set-up and configuration
- USB to RS422, RS485 and RS232 adaptor
Spares
- Bird deterrent kit
- Integrity check chamber
Order accessories with your sensor or on their own. Quote the part number when you get in touch.
BEFORE YOU SPECIFY
Is the WindObserver 90 the correct configuration?
Before specifying, confirm:
- the wind speed range the site actually sees
- the output rate the receiving system needs
- the operating temperature and whether heating is required
- any approval or certification the installation demands
- the mounting arrangement and cable or connector choice
- the interface and output the receiving system expects
If those match, the WindObserver 90 provides that configuration.
QUESTIONS
Specification questions about the WindObserver 90
What wind speed range does the WindObserver 90 cover?
The WindObserver 90 measures 0 to 90 m/s (201 mph).
What is the difference between the WindObserver 90 and the WindObserver 75?
Wind speed range. The WindObserver 90 measures up to 90 m/s (201 mph), the WindObserver 75 up to 75 m/s (168 mph). Both carry Lloyd’s Register approval.
How accurate is the WindObserver 90?
The WindObserver 90 is specified at wind speed ±2% at 12 m/s, direction ±2° at 12 m/s.
What resolution does the WindObserver 90 report?
The WindObserver 90 reports to 0.01 m/s and 1°.
What output rate does the WindObserver 90 provide?
The WindObserver 90 outputs at 1 to 4 Hz.
What outputs does the WindObserver 90 provide?
The WindObserver 90 provides RS422 and RS485, full or half duplex. Modbus output variant available.
What power supply does the WindObserver 90 need?
The WindObserver 90 requires anemometer 9 to 30 V DC.
What ingress protection does the WindObserver 90 have?
The WindObserver 90 is sealed to IP66 (NEMA 4X).
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 WindObserver 90
- Our team replies. Not an account manager, and not a queue.
- We aim to respond in one working day. Monday to Friday.
- No obligation. Plenty of these end with us saying it is not our product.