Spectrum Technologies 3402 Temperature/RH/Dew Point/Wet Bulb Pen (14 - 140°F; 10 - 95% RH)

Size: 6.9" x 1.7" x 0.6" (17.5cm x 4.2cm x 1.6cm) 

Temperature Range: 14 to 140°F (-10 to 60°C)

Temperature Accuracy: ±1°F (±0.6°C) 

Humidity Range: 10 to 95% RH

Humidity Accuracy: ±3% RH 

3402 Dew Point Range: 4 to 139.8°F (-20 to 59.9°C)

3402 Wet Bulb Range: 23 to 139.8°F (-5 to 59.9°C) 

Power Supply: CR2032 battery

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