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44550: Pocket Humidity/Temperature Pen

Built-in sensors provide simultaneous readings of Relative Humidity and Temperature

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The 44550 is a pen style humidity and temperature meter. Featuring a dual LCD for simultaneous display of relative humidity and Temperature (°C/°F switchable). Measures humidity from 20 to 90%RH and temperature from 14 to 122°F (-10 to 50°C) with ±5%RH; ±2°F, ±1°C accuracy. Pocket sized for quick and reliable measurements at any location. Max/Min memory functions for display of highest and lowest readings for both measurements. Complete with pocket clip and one LR44 button battery.

Additional information


10 to 85%


14 to 122ºF (-10 to 50ºC)

Basic accuracy

% Relative Humidity: ± 5% Temperature: ± 2ºF/1ºC


% Relative Humidity: 1%RH Temperature: 0.1ºC or ºF

Sensor Type

% Relative Humidity: Resistive ceramic Temperature: Thermistor


5.9 x 0.8 x 0.7" (150 x 20 x 18mm)


0.7oz (20g)

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