Humidity Meters

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Extech 42280A

Temperature and Humidity Datalogger

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RH600

Dew Point Meter

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Extech RH250W

Hygro-Thermometer with Connectivity to ExView® App

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Extech SDL500

Hygro-Thermometer/Datalogger

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Extech RHT510

Hygro-Thermometer Psychrometer

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Extech RH490 Precision Hygro-Thermometer

Highest 2% RH accuracy with Grains Per Pound (GPP) Display

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Extech RH390

From HK$249.00

Precision Psychrometer

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Extech RH350

From HK$184.00

Dual Input Hygro-Thermometer Psychrometer

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Extech RH300 Hygro-Thermometer Psychrometer

From HK$114.00

Humidity, Wet bulb, Dew Point, Air Temperature plus External Probe Temperature measurements

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Extech RH101

Hygro-Thermometer + InfraRed Thermometer

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Extech HD500

From HK$339.00

Psychrometer with InfraRed Thermometer

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Extech 445580

From HK$85.99

Humidity/Temperature Pen