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Rotating Vane Anemometer
with Data Logging

Comprehensive, professional grade, rotating vane anemometer with 
data logging  and turbulence indication

Features of the AL RVA series Air Velocity
flow and temperature Logger

  • Air velocity - m/sec, ft/min,
  • Airflow - m3/sec, ft3/min
  • Temperature - °C, °F
  •  Auto shut off conserves battery life
  •  Ideal combination of air velocity, volume flow and temperature
  •  Excellent accuracy with fast, effective processing power
  •  Perfect for both on-site checks and unattended monitoring
  • Simply enter area or linear dimensions to read volume flow
  • Ideal for HVAC, process control, laboratory safety, quality assurance, R & D engineers and indoor environment monitoring.
  • Articulated telescoping handle optional
Rotating Vane Anemometer
The RVA series offers a complete airflow measurement system with built in data logging. Fast accurate measurements of air velocity, volume flow and air-stream temperatures are integrated with advanced microprocessor technology to provide powerful processing and data collection. Digital outputs support direct compatibility with micro printers and WINDOWS® software. The standard unit has a 4" diameter vane.
 SPECIFICATIONS
Common Specifications    
PARAMETER METRIC MODE IMPERIAL MODE
Velocity Range  0.25 - 30 m/sec  50-6000 ft/min
Volume Range  0.002-3000 m3/sec  3.6 - 9999 ft3/min
Accuracy @ 20°C & 1013Mb 
using 100mm vane		 ±1% of reading ±4 ft/min 0.02 m/s)
Velocity Resolution 0.01 m/sec  2 ft/min
Temperature Range 0-60°C  32° to 140°F
Temperature Accuracy 1°C ±1digit  2°F ±1digit
Temperature Resolution 0.1°C  1°F
Area Input Range ALRVA501 0 - 16 m2  0- 173.6 ft2
Linear Input Range 0.0001 - 9999m 
(subject to area limits)		 1/8" - 9999 ft
Power Supply AL RVA801 - 9 Volt Battery
AL RVA501 - 4 x 1.5 volt AA cells or AC adapter
Battery Life  40 Hrs.
Overall Dimensions AL RVA501 84 x 178 x 44 mm  3.3 x 7 x 1.8 inches, 9.6 oz
Operating Environment Ambient operating temperature range -10°C to + 50°C. 32° to 140°F
Instrument Storage temperature range  -10°C to + 60°C 14° to 140°F

 
AL RVA501 Data Logging version    
Memory Size 12,700 samples + 100 test IDs
Logging Interval from 1 second to 1 hour
Time Constant 1 second to 1 hour
Computer Interface USB

Optional Aircone Flow Hoods
Aircone Flow Hoods are a fast and accurate method of maximizing the usefulness of your 4-inch (100-mm) rotating
vane anemometers, turning it into an air volume flow balancing tool.

 Rectangular and circular cones available
 Measures volumetric flow at grilles, diffusers, and linears
 Reads air volume quickly and accurately
 Excellent choice for small grilles.
Ordering information Rotating Vane Anemometers
Model Operating Range (over-range) Price view shopping cart
AL RVA801 Standard Kit Anemometer 4" dia. rotating vane sensor, temperature, velocity, volume, reversible head, calibration certificate, soft case. $510.00
AL RVA501 Data Logging Kit Anemometer 4: dia. rotating vane sensor, temperature, velocity, reversible head, calibration certificate. Data logging. (Fits optional telescoping handle), soft case. $790.00
  Accessories    
AL 801750 Carry case $110.00  
AL 801750 Air cone kit includes circular (7.1" Diam) and rectangular (11.2 x 9.2 inch) capture hoods $215.00  
AL 801761 Universal power supply $50.00  
AL 801748 RV telescopic Rod ( for ALRVA501 ) $140.00  
 

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

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