Replacement Caps
Extech RH-Cap - Extech Instruments Corporation
Replacement protective caps for models RH390, RH490, MO Series, and HD500: 5 Pack
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Humidity Meters
Extech Instruments Corporation
Whether you need help measuring humidity or dewpoint, or managing humidity control, Extech has a tool that can help. Choose from Extech's digital hygrometer, humidity meter, humidity sensor, or our unrivaled thermo hygrometer selection. Diagnose HVAC home humidity conditions, ensure healthy work and living spaces, and maintain health and safety conditions in the workplace daily.
