Extech Instruments Heavy Duty Light Meter with PC Interface Stream / Pipe Flow Probes & Meters The AQS 1 is a

The AQS 1 is a compact ‘smog monitor’ designed to measure the key ingredients of photochemical smog – PM2

An intuitive interface and large keyboard provides direct access to key features

ensuring uninterrupted field usage

This ensures precise measurement of only the PM2

The durable coated blade slices through HDPE tubing cleanly and easily

Extech Instruments Heavy Duty Light Meter with PC Interface Stream / Pipe Flow Probes & Meters The AQS 1 is aLight 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.