Model 146i Multi-Gas Calibrator

Calibrate ambient air and other gas monitoring instrumentation with the Thermo Scientific™ Model 146i Multi-Gas Calibrator, which generates gas standards. The output of the Model 146i is used to calibrate instruments that perform zero, precision, Level 1 span checks, audits, and multi-point routines in accordance with USEPA requirements.

Discover the iQ to work smarter with our next generation 146iQ Multi-Gas Calibrator.

• Calibrator supplies precise levels of ozone, carbon monoxide, non-methane hydrocarbons, sulfur dioxide, nitric oxide and nitrogen dioxide or other gases
• Mass flow controllers dilute standard gases for the calibration of gas monitoring instrumentation
• Multiple calibration routines can be stored in calibrator memory
• Microprocessor-based calculation increases operator availability
• Unit can be operated remotely by a data logger or to perform multipoint calibrations
• Gas Phase Titration for Generation of O3 and NO2

• Maximum output: 1ppm at 6 SLPM
• Minimum output: 10ppb at 6 SLPM

• Full scale range: 100ppb to 5ppm user selectable
• Linearity: 1% of full scale
• Precision: 1ppb
• Response time: 180 seconds to 95% of target
• Minimum detectable limit: 3 ppb

• Ethernet connectivity for efficient remote access
• Enhanced user interface with one button programming and large display screen
• Flash memory for increased data storage and user downloadable software
• Enhanced electronics design optimizes product commonality
• Improved layout for easier accessibility to components