You can send a request for quote for p/n RH520 to Power Air Consulting using powerairconsulting.com. This part is manufactured by Extech Instruments. The description of it is Hygrothermograph. The national stock number associated with this part is 6685015588295. This part belongs to part family. An associate from Power Air Consulting will respond within 15 minutes to your query. It is our pleasure to help you with RH520 part requirements.