The hilmor Electronic Gauge with Vacuum Sensor was built to lighten your load and combine the best of both analog and digital options. Now, HVACR techs get the response of a real needle and the clarity of an LCD display. It also has built-in features like P/T data for 39 refrigerants, dual temperature readings, a micron gauge and a cleanable vacuum sensor. Self-calibrating gauges provide 1% accuracy every time you turn it on. And with a high-impact, protective boot, it’s got the toughness to handle any type of condition. It’s also available with or without refrigeration hoses.