Extech RH490-NIST Precision Hygro-Thermometer (NIST Certified)

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

Please allow 1-3 weeks for delivery.

NIST Certification. This mark indicates that a product can be calibrated to meet the standards provided by the National Institute of Standards and Technology (NIST), a U.S. Government agency within the Commerce Department.

*offer valid for this product only and can not be applied to other products.