A collection of dry reaction substrates that are provided in cassette form are marketed under the registered trademark Chemcassette®. Individually formulated for a specific gas or family of gases, each Chemcassette® is a proprietary chemical reagent system. It acts as both a trapping and analysis medium, detecting and measuring nanogram amounts of target gas with excellent sensitivity and response speed. Each Chemcassette®is gas tested to assure proper response when installed in-field in a Honeywell Analytics monitor.























