Extech Instruments’ new Model RH490 Precision Hygro-Thermometer with Direct Digital Display of Grains per Pound is “ideal for structural drying and water damage restoration, HVAC/R installation and repair, mold inspection and remediation, and plant maintenance,” the company said.

Extech Instruments’ new Model RH490 Precision Hygro-Thermometer with Direct Digital Display of Grains per Pound is “ideal for structural drying and water damage restoration, HVAC/R installation and repair, mold inspection and remediation, and plant maintenance,” the company said.
The RH490 features 2 percent RH accuracy and an RH response time of less than 30 seconds.

Extech Instruments’ new Model RH490 Precision Hygro-Thermometer with Direct Digital Display of Grains per Pound is “ideal for structural drying and water damage restoration, HVAC/R installation and repair, mold inspection and remediation, and plant maintenance,” the company said.
The RH490 features 2 percent RH accuracy and an RH response time of less than 30 seconds.


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