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Ultrasonic Anemometer

Modern - Digital - Ergonomic
Rugged reliable and accurate Airflow UA30 ultrasonic anemometer measures air flow in the range 0 to 6000 fpm. Ideal for grilles, diffusers, HVAC ducts, flow cabinets research and quality control

Traceable calibration certificate to international standards
Unaffected by temperature, relative humidity, pressure or density changes
Excellent Yaw and Pitch characteristics
Exceptional velocity range from just zero up to 30 m/sec
Calibrated for life to save you money
Amazing 'full range' accuracy with instant response and 100% repeatability
Measures velocity, volume flow with area input, turbulence, air stream temperature
Sensor compensates for uni-directional flows up to 20° from airstream centreline
Unique % turbulence indication to assist with IAQ requirements.
Easy to use in any clean air and inert gas flow
Ten display choices of volume flow, velocity, turbulence and temperature
Memory, logging and Windows ®

Anemosonic UA30 ultrasonic anemometer

Ultrasonic techniques are well proven in fluid dynamics
measurement. Anemosonic™ advanced design now takes this
technology much further into the field of clean air and gas flow velocity measurement with a "mini sensor". Using three energised " posts", sound waves are transmitted sequentially 3840 times every second. The time taken for a sound to travel from one post to another and for a wave to return over the same precise distance is measured. The instruments software calculations overcome variables such as the speed of sound and other dynamic corrections including turbulence and vector to establish true velocity. By using the speed of sound, @ 340.3 m/sec in standard air as a "carrier" the true velocity can be
calculated with 100% certainty and repeatability. Any changes in ambient temperature, barometric pressure, RH and gas density conditions are rendered irrelevant permitting Anemosonic™ UA30 to be used in mixed air/inert gas density situations without any need for corrections, re-calibration or complex calculations.The Anemosonic™ UA30 is a major advance in reliable ultrasonic measurement techniques by being truly portable, with a sensor less than 45mm across and adaptable by offering a choice of hand held or stand alone monitoring. Exceptional accuracy is achieved by electronically sampling the velocity at an incredible, 3,840 times every second. Turbulence and air speed vectors can also be determined.

UA30 universally suitable for velocity and flow measurement of any air or inert gas media, even at very low levels. Calibrated for life during manufacture to international standards using sophisticated laser Doppler methods, annual re-calibration is a cost of the past. With no moving parts, repair costs are virtually eliminated under normal usage.

Anemosonic™ UA30 offers a choice of many simple and helpful yet powerful user friendly features including an articulating telescopic extension handle, selectable velocity readings in m/sec, km/h, knots, mph of ft/min and volume flow in cfm or m³/sec, with percentage air speed turbulence indication and automatic vector compensation up to ± 20° from the centre line. Temperature display is in °C or °F. Readings can be recalled, reviewed and downloaded via the analogue output or through the RS232 interface to a mini printer or by seamless interface with a PC for manipulation in WINDOWS® software.

Specifications

UA30	Metric mode	Imperial mode
Velocity range	0.25-30 m/sec	50-6000 ft/min
Volume range	0-3000 m3/sec	0-6456 x 1000 ft3/min
Accuracy	Accuracy calibrated to better than ±1% of reading ±0.01m/s
Velocity Resolution	0.001 m/sec below 10 m/s 0.01m/sec above 10m/s	1 ft/min
Temperature range	0C° to +60°C	32 °F to +146°F
Temperature Accuracy	±1.0°C	±2°F
Temperature Resolution	0.1°C	1°F
Flow turbulence intensity (Tu)	2-digit display 0 -99 %	resolution 1 %
Area Input Range	0.008 - 99.99 m2	0.0862 - 1076 ft2
Linear Input Range (subject to area limits)	0.0001 - 9999 m	1/8" - 99 ft
Memory Size	99 readings of velocity, temperature & turbulence (note flow data is stored as a velocity)
Auto Logging variable time base	1 second to 99 minutes 59 seconds
Analogue output	0-1 volt (0-0.5 and 0-2V on request)
Digtial Output	RS232
Power Supply	4 x 1.5 volt AA cells. (rechargeable, zinc carbon or alkaline)
Battery Life	20 Hrs. continuous operation with alkaline batteries
Overall Dimensions	92 x 32 x 188 mm	3.6 x 1.2 x 7.4 ins
Instrument Operating Environment temp. range	-10°C to + 50°C	14°F to 122°F
Storage temperature range	-20°C to + 60°C	-4°F to 140°F
Ultrasonic Sensor Operating Environment	0°C to 70°C	32°F to 158°F
Weight (less batteries)	440g	0.97lb
Battery	4 x AA
Battery life	~ 15 hours with alkaline cells
Weight	400 gm	14 ozs

Ordering information UA30 Ultrasonic Anemometer

Model	Operating Range (over-range)	Price
UA30	Standard Kit Anemosonic™ UA30 Anemometer, Ultrasonic sensor, Handle & Telescopic extension rod with swivelling joint 0.4 to 1.1M (15" to 43"), Executive carry case, Calibration certificate, Batteries	$2950.00

Topac Inc. 231 CJC Highway, Suite 103 Cohasset MA 02025 USA
Tel: 781 740 8778 Fax: 781 740 8779