so it's always ready to go

the AutoRAE 2 can take care of all calibration

ToxiRAE Pro PID - Choose Variation

Supports a wide variety of gases

Honeywell RAE MINIRAE LITE (monitor, accessories & calibration kits) - Choose Configuration Configuration:Monitor Only 10.6 eV so it's always ready toCHOOSE CONFIGURATION: MINIRAE LITE monitor: MiniRAE Lite is a basic pumped handheld volatile organic compound monitor. It's Photoionization Detector's range of 0ppm to 5000ppm makes it an ideal instrument for applications such as environmental site surveying where non hazardous area certifications are required. Accessories Monitor include: MiniRAE Lite monitor, RAE UV lamp, 10. 6eV, Flex I probe, external filter, green rubber boot, alkaline battery