The analog manometer, commonly referred to as a Magnehelic ®, is a test instrument that has been around the HVAC industry for decades. Among many technicians in the field, it is still the test ...
The AAMI suggests that, for systolic and diastolic BP each considered separately, the mean difference between test devices (ie, Dinamp compared with mercury sphygmomanometer) be ±5 mm Hg or less, with ...