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The Model 471B Thermo-Anemometer Test Instrument is a versatile dual function unit that quickly and easily measures air velocity or volumetric flow as well as air temperature in imperial or metric units. A stainless steel probe is included, which has a comfortable hand grip and etched insertion depth marks. The extruded aluminum housing fully protects electronics, yet is lightweight and comfortable to hold.

NIST CALIBRATION available in Product Configurator.

Product Applications

• Duct traverses
• HVAC inspections
• Testing and balancing

Features

• Compatible with Dwyer RP1 thermo-hygrometer and VP1 100 mm vane thermo-anemometer probes (sold separately)
• Visible in any condition due to high contrast and backlit LCD display
• Able to store up to 99 readings
• Probe sensors are protected by the integral sliding cover
• Built-in volumetric air flow calculations

Specifications

• Measures Air Velocity or Air Volume and Temperature Simultaneously
• Service : Air velocity and temperature of clean, dry air.
• Display : 4.5 digit LCD.
• Air Velocity Range : 45 to 6000 FPM (0.23 to 30 m/s).
• Temperature Range : -40 to 212°F (-40 to 100°C)
• Probe Length : 8˝ insertion 18", 24", 36" option
• Cable Length : 28˝ (71 cm) retracted, 6 ft (183 cm) extended.
• Power Requirements : 9 V alkaline battery, installed non-functional, user replaceable.

Models & Ordering