Extech Instruments Heavy Duty Light Meter with PC Interface Twine Air flow rate is measured

Air flow rate is measured through the flow venturi utilizing a 0-100

The FID technology allows for a wide dynamic and linear range that produces stable and repeatable responses

Series 477 Handheld Digital Manometers are packed with features you need to make low pressure measurement and recording faster

Rugged and flexible

The 'hold' button lets the user retain an RH or temperature reading

Extech Instruments Heavy Duty Light Meter with PC Interface Twine Air flow rate is measuredLight meter with four lighting types Tungsten Daylight, Fluorescent, Sodium, and Mercury. This light meter offers selectable lighting types, data record recall, relative display mode, and PC interface. This professional meter, with proper care, will provide years of safe reliable service.