Si-TH4 Wireless Temperature and Humidity Probe

This wireless psychrometric probe provides accurate indoor and outdoor temperature and hygrometry measurements to work on air conditioning, refrigeration and heat pump installations. The Si-TH4 calculates dry and wet bulb temperatures quickly and easily, using a flexible probe with a sliding magnet for convenient positioning. It connects easily to the Si-RM350 and Si-RM450 manifolds, as well as to the mobile application Sauermann Pilot. A1 / A2L / A2 / A3 refrigerants compatible Compatible with some B1 refrigerants, see list of refrigerants for details on which refrigerants are compatible. The device must not be used with ammoniac refrigerant (NH3 / R717).