UEI HUB8 Smart Refrigerant Probes Deluxe Kit w Vacuum Gauge Test & Measurement Most manufacturers of “evacuation hoses” 90 206 Most manufacturers of “evacuation hoses” use refrigerant transport hose and “recertify” it for use in vacuum applications Measures temperature from 4 to 212 degrees F ( 20 100 degrees C) Wireless output : Yes Free App Available : Yes Selectable refrigerants : Yes Selectable units : Yes In App temperature split kit and psychrometric calculations : Yes In App system refrigerant charging calculations : Yes Pass thru ports for easily adding or recovering refrigerant without disconnecting : Yes 180 degrees swivel for easy use in cramped work spaces : Yes Highly accurate thermistor drifts less than thermocouples and doesn’t require field calibration : Yes Magnetic mount : Yes The HUB8 makes it easier for you to service and charge air conditioning and refrigeration systems