Dwyer Series 477 Handheld Digital Manometer Aerosol Monitors The CTD-Diver is a submersible

The CTD-Diver is a submersible datalogger for long-term uninterrupted

The dual chambered sampling module designed for easy access to both upper and low media

Protects from interference from 27 through 1000 MHz

Sensors available: CL2

The upper chamber supports the airborne particulate filter media in a circular a filter holder

Dwyer Series 477 Handheld Digital Manometer Aerosol Monitors The CTD-Diver is a submersibleSeries 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