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Cole-Parmer Extech 44550 Humidity/Temperature Pen, 20 to 90% RH/, 14 to 122F
Supplier: Cole-Parmer 3780314

Pen displays relative humidity and temperature simultaneously. Min/max function displays and holds the maximum humidity and temperature values since power-up in memory; simply press the clear button to reset. Featuring an on/off button, and selectable °F/°C temperature.
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