Product Overview

The REED R8906 Rotating Vane Thermo-Anemometer is a professional airflow measurement instrument that combines a rotating vane sensor for air velocity, built-in temperature read-out, and automatic calculation of air volume (CFM/CMM). Ideal for HVAC, clean room, laboratory, and industrial ventilation applications requiring accurate airflow and temperature measurement in one handheld device.

It features simultaneous display of air velocity and temperature, extensive measurement ranges, and easy-to-operate functions—making it suitable for field technicians, system balancing, maintenance personnel and commissioning engineers.

Key Features

• Rotating vane sensor for accurate air velocity measurement
• Dual-LCD display shows air velocity and air temperature at the same time
• Calculates air volume (CFM/CMM) when duct area is entered
• Wide velocity range from low to high flows
• Min/Max/Average measurement modes, Data Hold, Auto Power Off
• Compact and handheld design for field use
• Suitable for HVAC, duct airflow, ventilation checks and filter performance tests

Technical Specifications

Brand: REED Instruments
Model: R8906
Type: Rotating Vane Thermo-Anemometer with Air Volume Calculation

Air Velocity

• Range: ~0.4 m/s to ~35 m/s
• Equivalent ranges: ~80 to ~6,900 ft/min; ~1.4 to ~126 km/h; ~0.9 to ~78 mph; ~0.8 to ~68 knots
• Accuracy (typical): ±(2% of reading + 0.2 m/s)
• Resolution: 0.01 m/s (or equivalent units)
• Vane Diameter: approx. 70 mm (2.8″)
• Response Time: <1 second

Temperature

• Range: –10°C to +50°C (14°F to 122°F)
• Accuracy: ±0.6°C (±1.2°F)
• Resolution: 0.1°C / 0.1°F

Air Volume

• Calculates CFM/CMM when duct area is entered
• Volume range: up to 99,999 CFM/CMM (unit dependent)
• Volume accuracy: typically ±1% of full scale (when correct area entered)

General

• Display: Dual LCD (velocity + temperature)
• Functions: Min, Max, Average, Data Hold, Auto Shut-Off
• Datalogging: Yes (internal memory), sampling typically 1 reading per second
• Power Supply: 9 V battery
• Battery Life: Approximately 400 hours (typical)
• Operating Temperature: 0°C to +50°C
• Dimensions: approx. 181 × 76 × 45 mm (7.1″ × 2.8″ × 1.4″)
• Weight: approx. 160 g (5.6 oz)
• Accessories included: Battery, Hard Carrying Case

Applications

• HVAC system testing and commissioning
• Duct air velocity and airflow measurement
• Filter and fan performance assessment
• Clean-room airflow validation
• Room air change rate measurement
• Ventilation audits in industrial and commercial buildings
• Laboratory and research airflow testing

Why Buy from FieldInstruments.lk?

• 100% genuine REED Instruments products
• Competitive pricing with fast island-wide delivery in Sri Lanka
• Local technical support and calibration guidance for airflow instruments
• Trusted provider of test & measurement equipment for HVAC, industrial and lab environments
• After-sales service and assistance available for professional use

The REED R8906 is an efficient, professional tool for measuring air velocity, temperature and volume—perfect for field technicians and HVAC professionals in Sri Lanka.

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Fieldinstruments.lk
50/3, Angampitiya Rd, Ethul Kotte, Sri Lanka. 10100.
Phone: +94718555888 Email: info@fieldinstruments.lk