Dwyer Series 477 Handheld Digital Manometer Radiation & EMF Meters 520 & 530 calibrators

520 & 530 calibrators

The Definer 220 allows users to verify gas flow rates in the field or the lab to an accuracy of ±1% percent of reading

will allow for better decision making and time management

Integrated Log-Tchebycheff duct traverse application simplifies calculations

Dwyer Series 477 Handheld Digital Manometer Radiation & EMF Meters 520 & 530 calibratorsSeries 477 Handheld Digital Manometers are packed with features you need to make low pressure measurement and recording faster, easier and more accurate than ever. First, you can instantly select from up to nine of the most widely used pressure units without having to waste time and risk mistakes with tedious conversions. Next, a non volatile memory function enables storage of up to 40 readings perfect for HVAC technicians making Pitot tube traverses