Quest brand personal gas monitors respond to today's most demanding work environments requiring monitors to be extremely rugged, lightweight and simple to operate.

Regardless of which monitor you choose from Quest, you will receive many years of our trademark red, rugged and reliable performance.

All Quest monitors provide a minimum of audio and visual alerts to real-time gas levels that exceed prescribed limits. Additional alarming functions are available in select models.

All Quest monitors permit users to easily and reliably confirm proper calibration and/or perform recalibration in the field. Our most advanced monitors can even notify you when calibration is due.

Go/No-Go monitors provide basic protection at the lowest cost per employee. These types of monitors are appropriate where large numbers of workers must be protected simultaneously and time-weighted gas exposures are not of concern. Multigas monitors provide the broadest range of protection from multiple hazards simultaneously. Multigas monitors provide protection at the lowest cost per gas hazard. Datalogging monitors provide detailed information regarding the worker's exposure throughout the day. Datalogging monitors are appropriate where longer term effects of exposure are of concern or where documentation of actual exposures is desired.