This wireless vacuum probe accurately measures absolute pressure, to ensure optimal refrigerant system evacuation down to deep vacuum in air conditioning, refrigeration and heat pump installations.
The Si-RV4 allows all types of refrigerant-based installations to be serviced quickly and safely. It connects easily to the Si-RM350 and Si-RM450 manifolds and 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).

Technical specification table Operation Manual (Simplified Version)

High accuracy Pirani® sensor, 50 microns deep vacuum

A1, A2L, A2 and A3 refrigerants compatible

Quick & Strong wireless auto connection (100 m/328 ft range)

Real time readings on manifold and mobile app

IP54 dust & rain proof probe

Product info

>Kit content

APPSoftware

Video

Compliance

Length
Width
Height
Weight
7 inches , 178 mm
1 1/2 inches , 37.7 mm
1 13/16 inches , 45 mm
7/16 pounds , 200 g

1 Adjustment certificate

3 AAA batteries

Mobile app for Si-RM350 and Si-RM450 manifolds, their probes and accessories

CE certificate