| EXTECH RH490 - Precision HYGRO-Thermometer with GPP (Grains per Pound) View larger Precision Hygro-Thermometer Psychrometer Featuring a slim design with rubberized sides for better grip, the Extech RH490 is specifically designed for HVAC and water damage restoration contractors. This meter measures Temperature (-22 to 199... Price Range: $422.39 to $427.89 |
| Merchant | Price |
|---|---|
 Optics Planet | $427.89 |