Additel’s 273Ex is an Intrinsically safe handheld multifunctional pressure calibrator with a color touchscreen,
smartphone like interface, built-in quick test tasks and optional HART communications capability. This innovative
Additel product drastically improves explosion-proof field testing and calibration. The Additel 273Ex has a built-in
atmospheric pressure sensor, so that absolute pressure and the gauge pressure are easily facilitated. With three
pressure module inputs, one switchable at the bottom and two digital inputs on the side, the user can configure the
setup accordingly and easily meet the needs of pressure calibration and testing in virtually any environment.