Gill Anemometer Comparison chart

Not sure which ultrasonic anemometer perfectly suits your application? The anemometer comparison charts below compare Gill 2-axis and 3-axis anemometer ranges to help you decide. If you're still unsure which is most suitable, please feel free to contact us to discuss your requirements.

2-Axis Anemometer Comparison

	WindSonic	WindObserver II	Extreme Weather WindObserver	Aviation Standard WindObserver	Intrinsically Safe WindObserver
Wind Speed	0-60 m/s	0-65 m/s	0-75 m/s	0-75 m/s	0-75 m/s
Wind Direction Range	0-359º (no dead band)	0-359º (no dead band)	0-359º (no dead band)	0-359º (no dead band)	0-359º (no dead band)
Sample Rate	0.25, 0.5, 1, 2, 4 Hz	1, 2, 4, 5, 8, 10 Hz	1-4 Hz	1-4 Hz	1 Hz
Moisture Protection	IP65	IP66	IP66	IP66	IP66
External Construction	Luran	Stainless Steel	Stainless Steel	Stainless Steel	Stainless Steel
Digital Outputs	RS232 RS422 RS485 SDI-12	RS422 & RS485 Full Duplex / Half Duplex	RS422	RS422	RS232 RS422
NMEA Output	Yes	Yes	Yes	Yes	Yes
Analogue Outputs	2 (optional)	3 (optional)	No	No	No
Sonic Temperature Output	No	Yes	No	No	No
Heated	No	Option	Yes	Yes	No
Approvals	None	Lloyds Type Approval	None	Accepted by FAA as part of an AWOS.	EEx ia IIC T5 Complies with ATEX directive
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3-Axis Anemometer Comparison (Vertical Head Configuration)

	WindMaster	WindMaster Pro	R3-50	R3-100	R3A-100
Ultrasonic Output Rate	20 Hz (optional 32 Hz)	32 Hz	50 Hz	100 Hz	100 Hz
Wind Speed	0-45 m/s	0-65 m/s	0-45 m/s	0-45 m/s	0-45 m/s
Wind Direction Range	0-359º (no dead band)	0-359º (no dead band)	0-359º (no dead band)	0-359º (no dead band)	0-359º (no dead band)
Operating Temperature	-40ºC to +70ºC	-40ºC to +70ºC	-40ºC to +60ºC	-40ºC to +60ºC	-40ºC to +60ºC
Moisture Protection	IP65	IP65	IP65	IP65	IP65
External Construction	Aluminium & Carbon-fibre	Stainless Steel	Aluminium & Carbon-fibre	Aluminium & Carbon-fibre	Aluminium & Carbon-fibre
Digital Outputs	RS232 / RS422 / RS485	RS232 / RS422 / RS485	RS422 (RS232 optional)	RS422 / RS232	RS422 / RS232
NMEA Output	N/A	N/A	N/A	N/A	N/A
Analogue Outputs	4 (optional)	4 (optional)	7 (via optional PCIA)	7 (via PCIA)	7 (via PCIA)
Analogue Output Resolution	12 bit (optional 14 bit)	14 bit	14 bit	14 bit	14 bit
Analogue Inputs	4 (optional) (2 different)	4 (optional) (2 different)	6 (via optional SIU)	6 (via optional SIU)	6 (via optional SIU)
Analogue Input Resolution	12 bit (optional 14 bit)	14 bit	via optional SIU	via optional SIU	via optional SIU
PRT Input	N/A	Optional	14 bit	14 bit	14 bit
Speed of Sound Output	Yes	Yes	Yes	Yes	Yes
Sonic Temperature Output	Yes	Yes	Yes	Yes	Yes
Inclinometer	N/A	N/A	N/A	Optional	Optional
Head Symmetry	Symmetrical	Symmetrical	Symmetrical	Symmetrical	Asymmetric
Calibration	Generic / Custom Option	Generic / Custom Option	Custom	Custom	Custom
Transit Case	Optional	Optional	Optional	Yes	Yes
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3-Axis Anemometer Comparison (Horizontal Head Configuration)

	HS-50	HS-100
Ultrasonic Output Rate	50 Hz	100 Hz
Wind Speed	0-45 m/s	0-45 m/s
Wind Direction Range	0-359º (no dead band)	0-359º (no dead band)
Operating Temperature	-40ºC to +60ºC	-40ºC to +60ºC
Moisture Protection	IP65	IP65
External Construction	Stainless-steel	Stainless-steel
Digital Outputs	RS422 (RS232 optional)	RS422 / RS232
NMEA Output	N/A	N/A
Analogue Outputs	7 (via optional PCIA)	7 (via optional PCIA)
Analogue Output Resolution	14 bit	14 bit
Analogue Inputs	6	6
Analogue Input Resolution	Yes	Yes
PRT Input	14 bit	14 bit
Speed of Sound Output	Yes	Yes
Sonic Temperature Output	Yes	Yes
Inclinometer	Yes	Yes
Head Symmetry	Horizontal	Horizontal
Calibration	Custom	Custom
Transit Case	Yes	Yes
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