Instrument Depot is the leading distributor of precision calibration gas mixturesShop Calibration Gas
Instrument Depot is a worldwide provider for over 50 years, of Gas Detection Tubes, Gas Detection Instruments, Hazardous Material (hazmat) Kits and PORTACAL® Precision Calibration Gas Mixtures.
Instrument Depot strives to earn our customers’ satisfaction and respect by providing exceptional gas detection products and services you can trust. We offer gas detector tubes and detector tube pumps for more than 600 gases, vapors and aerosols. We supply the most extensive variety of calibration gas from the leading gas manufacturer, Gasco.