RVA801 Alnor Rotating Vane

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RVA801 Alnor Rotating Vane Specification

Flow Rate
0 to 99,999 m/h

Resolution
0.01 m/s

Connectivity Type
None (Standalone Device)

Equipment Type
Rotating Vane Anemometer

Humidity %
0-95% RH (non-condensing)

Temperature Range
0 to +60C

Measurement Range
0.25 to 30 m/s

Sensor Type
Rotating Vane

Wind Speed
0.25 to 30 m/s

Material
High Impact Plastic Housing

Power Supply
9V Alkaline Battery

Power Consumption
Low Power Consumption

Accuracy
1% of reading or 1 digit

Display Type
Digital LCD

Range
50 to 6000 ft/min (0.25 to 30 m/s)

Case
Carrying case included

Dimensions
220 x 106 x 58 mm

Weight
Approx. 500 g

Battery Life
Approx. 40 hours

Applications
HVAC, air velocity measurement, ventilation testing, balancing

Vane Size
3.25 inch (83 mm) diameter

Auto Power Off
Yes

Data Hold
Yes

About RVA801 Alnor Rotating Vane

Includes:

Instrument
Carrying case
Alkaline batteries
Operation and service manual
NIST calibration certificate

Features and benefits

Reversible 4 in. (100 mm) head allows readings at supply and extract grilles
Calculates volumetric flow rate
No density correction factors required
Automatic averaging of air velocity
Compatible with Aircone Flow Hoods

Reliable Performance for HVAC Testing

Engineered for HVAC professionals, the RVA801 offers accuracy within 1% of the reading or 1 digit, ensuring consistent measurement of air velocity and flow. The anemometers wide measurement range and durable construction make it ideal for balancing ventilation systems and troubleshooting airflow issues in commercial and industrial environments.

User-Friendly Operation and Portability

The RVA801 features a straightforward digital LCD display, data hold function, and low power consumption for up to 40 hours of battery use. Its lightweight build (approx. 500 g) and included carrying case make it highly portable. The device is powered by a standard 9V alkaline battery, making it easy to maintain during field operations.

FAQs of RVA801 Alnor Rotating Vane:

Q: How do I use the RVA801 Alnor Rotating Vane Anemometer for air velocity measurements?

A: To measure air velocity, position the 3.25-inch vane perpendicular to the airflow source. The digital LCD will display real-time readings in your selected unit. Use the data hold function to freeze readings for improved accuracy during testing.

Q: What applications is the RVA801 suitable for?

A: This anemometer is especially useful for HVAC professionals, providing reliable measurements for air balancing, ventilation testing, and airflow analysis in ducts, vents, and open areas.

Q: When should I replace the battery in the RVA801?

A: Replace the 9V alkaline battery when the display dims or if the device does not power on. Under regular use, battery life extends up to approximately 40 hours.

Q: Where can I use this device considering temperature and humidity conditions?

A: The RVA801 operates effectively in environments ranging from 0C to +60C and humidity levels of 095% RH (non-condensing), making it suitable for most indoor and sheltered outdoor locations.

Q: What are the benefits of using a rotating vane anemometer like the RVA801?

A: The RVA801s precision measurements, low power use, portability, and user-friendly operation make it an essential tool for ensuring HVAC systems function efficiently, helping maintain air quality and energy savings.

Q: What is the process for measuring flow rate with this instrument?

A: To measure flow rate, input the duct area into the device and position the vane in the airflow. The RVA801 calculates and displays the volumetric flow rate up to 99,999 m/h.

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