Standing just under 4 inches tall and an inch in diameter, the PR1000 is compact for easy placement and features a ¼ inch NPT fitting for quick connection. The PR1000 can store more than 1.3 million readings with an internal temperature sensor that provides measurements from -40 °C to +80 °C (-40 °F to +176 °F) with an accuracy of ±2.0 °C.