AirLink Air Quality Sensor


Operating Temperature

+14°F to +140°F (−10°C to +60°C)

Storage Temperature

-40°F to +176°F (-40°C to +80°C)

AC Adapter (not included with 7210USB)

5VDC, 1000mA

Current Draw

Average: 100mA; Peak: 500mA

Housing Material

Rugged ABS Plastic

Dimensions (Height x Width x Depth)
Sensor Housing

2" x 3.5" x 1"
(5.1 cm x 8.9 cm x 2.5 cm)

Optional Outside-Use Cover

4" x 4.5" x 1.5"
(10.1 cm x 11.4 cm x 3.8 cm)


Sensor Only: 3.7 oz (106 g)

Sensor with Mounting Bracket: 4.3 oz (121 g)

Sensor with Bracket & Outside-Use Cover: 6.5 oz (183 g)

Wi-Fi Frequency Range

US Models: 2412-2462 MHz, 802.11b/g/n

EU/UK/USB Models: 2412-2472 MHz, 802.11b/g/n

BLE Frequency Range



Particulate Matter

Particle Range of Measurement: 0.3 ̃ 1.0 μm; 1.0 ̃ 2.5 μm; 2.5 ̃ 10 μm

Particle Resolution: 1 μg/m³

Accuracy: ±10 μg/m³

Update Interval: 1 minute

Inside/Outside Relative Humidity

Resolution and Units: 0.1%

Range: 0.1% to 100% RH

Accuracy: ±2%

Update Interval: 1 minute

Inside/Outside Temperature

Resolution and Units: Current Data: 0.1°

Range: -40° to +140°F (-40° to +60°C)

Accuracy: ±0.5°F (±0.3°C) (typical)

Update Interval: 1 minute

Package Dimensions

Package Dimensions (Height x Width x Depth)

8.0" x 5.38" x 2" (20.32 cm x 13.67 cm x 5.08 cm)

Package Weight

7210: 14.1 oz. (0.40 kg)

7210EU: 14.4 oz. (0.41 kg)

7210UK: 14.4 oz. (0.41 kg)

7210USB: 13.1 oz. (0.37 kg)


We warrant our products to be free of defects in material and workmanship for one year from the date of original purchase. During the warranty period, we will, at our option, either repair or replace the product free of charge. This warranty does not cover damage due to improper installation or use, lightning, negligence, accident, unauthorized service, or to damages beyond the Davis products themselves.

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