Extech Instruments Heavy Duty Light Meter with PC Interface Twine The Mini-Reel is a smaller

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

Another option available on most models is a programmable timer which can be used to start or stop the pump at preset time intervals or to program a delayed start

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

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

Extech Instruments Heavy Duty Light Meter with PC Interface Twine The Mini-Reel is a smallerLight 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.