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.

Catalog #
Multi-Gas Calibrator

Full specifications
Height (English) 8.62 in.
Height (Metric) 218.94mm
Hertz 50/60Hz
Voltage 100/115VAC; 220/240VAC
Weight (English) 51 lb.
Width (English) 16.75 in.
Width (Metric) 425.45mm
Description Multi-Gas Calibrator
Flow Rate Flow range of dilution air 0 to 10 SLPM; optional
Inputs Test Channel Analog: 6 at ±100mV, 1,5,10V (user selectable); Input: 16 digital control inputs
Linearity 0.5% full scale
Mounting Options Bench mounting (standard), EIA, Retrofit
Outputs 10 relay and eight 24VDC Solenoid
Response Time 99% of target (at manifold) within 60 seconds
Temperature (Metric) Operating 0° to 45°C
Approvals and Certifications ETL, CSA, UL, CE
Depth (English) 23 in.
Depth (Metric) 584.19mm
Item Description Model 146i Multigas calibrator
Wattage 275w
Electrical Requirements 100/115VAC; 220/240VAC 50/60Hz

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    Product Description

    Key Features:
    • 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
    Ozone Generator Option:
    • Maximum output: 1ppm at 6 SLPM
    • Minimum output: 10ppb at 6 SLPM
    Photometer System:
    • 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
    iSeries Advantage:
    • 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

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