Extech Instruments Heavy Duty Light Meter with PC Interface Twine The world's smallest and most

The world's smallest and most versatile direct reading personal aerosol monitor

In addition

The Mini-Reel is a smaller alternative to the 100-feet standard-sized reel

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

select EC/TDS conversion factor and temperature coefficient and choose the temperature scale that best fits your application

Extech Instruments Heavy Duty Light Meter with PC Interface Twine The world's smallest and mostLight 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.