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Monitoring Indoor Air Quality

Breathe Easy Knowing What Is In Your Space

Monitoring indoor air quality is essential for the health, safety, and comfort of people in a space. Met One Instruments offers several portable and bench-top particle counters that provide a convenient and portable way to test indoor air quality, spot check or verify cleanrooms, and test HVAC air filter efficiency. Our particle counters and mass monitors are cost-effective, accurate and reliable. One-touch monitoring makes these devices fast and simple to use. Met One also offers a portable dust monitor designed to measure and record information in a space continuously. Our instruments are well-suited for corporate offices and manufacturing spaces, as well as residential, school and public areas.

Determine which handheld or benchtop air monitoring device is appropriate for your application:

Handheld Comparison Table DEC 2020

Handheld Products Comparison

Indoor Air Monitoring Products:

  • Portable Dust Monitor BT-645

    Met One Instruments’ BT‐645 Portable Dust Monitor has been designed to continuously measure and record particulate information for indoor work place and public space environments. Our BT-645 optical sensor, matched electronics and backlit display, are enclosed in a rugged metal...

  • The ES-642 Remote Dust Monitor

    Remote Dust Monitor ES-642

    Met One Instruments’ ES-642 Remote Dust Monitor is an industrial air-quality sensor designed to provide real time particle concentration measurements in both indoor and outdoor environments. Our ES-642 measures particulate concentration using a highly sensitive forward scatter laser nephelometer, which...

  • BT-610 Bench-Top Particle Counter - Met One Instruments

    Bench-Top Particle Counter BT-610

    The BT-610 is a compact battery-operated particle counter with six selectable size channels and built-in printer all housed in a portable stainless-steel case. Flow rate is 0.1 cfm (2.83 lpm) and is maintained with volumetric flow control for improved accuracy.

  • GT-526S Handheld Particle Counter - Met One Instruments

    Handheld Particle Counter GT-526S

    Met One Instruments’ GT-526S is a full-featured, six-channel battery-operated, portable particle counter that provides the functionality of a bench unit with the convenience of a handheld. The six-channels can be configured to factory calibrated standard sizes or user defined custom...

  • Handheld Particle Counter GT-521S

    The GT-521S is a full-featured, battery-operated, portable particle counter that provides the functionality of a bench unit with the convenience of a handheld. This powerful device supports cumulative or differential counts, standard concentrations, total counts and count alarms. It can...

  • GT-324 Handheld Particle Counter

    Met One Instruments, Inc.’s Model GT-324 particle counter is a full-featured handheld particle counter that provides the functionality of a bench unit in a portable package. A fully integrated RH/Temp sensor immediately provides data to your displayed and logged data....

  • Model 804 Handheld Particle Counter - Met One Instruments

    Handheld Particle Counter Model 804

    Met One Instruments’ 804 handheld particle counter is a 4-channel portable particle counter that counts particles 0.3 microns to 10.0 microns – giving you portability and reliability at very competitive pricing. Though compact, this unit is completely self-contained with its...

  • Aerocet 531S Handheld Particle Counter

    Aerocet 531S Handheld Particle Mass Profiler & Counter

    The Aerocet 531S is a full–featured, completely portable, battery operated, handheld mass monitor or particle counter. This unit provides particle counts or mass PM measurements as stored data logged values, real-time networked data, or printed results.

  • Aerocet 831 Handheld Particle Counter - Met One Instruments

    Aerocet 831 Handheld Particle Counter

    The Aerocet 831 is a completely portable, full–featured, battery operated, handheld mass monitor. This device simultaneously provides five critical mass ranges (PM1, PM2.5, PM4, PM10 & TSP) in one minute from start up. Survey the environment with the easy to...

  • Swift 6.0 Flow Meter

    The Swift 6.0 is a multi-function Flow Meter specifically designed for accurate low rate measurements. The device’s easy to read display shows Flow Rate, Flow Temperature and Ambient Pressure. Flow measurements are traceable to our NIST standard and Certification is...

  • Met One Instruments

    OEM

    Met One Instruments’ OEM Sensors signal a continued commitment to protecting and preserving health and wellbeing in a world increasingly threatened by airborne particulate. These optical devices start from simple low cost analog samplers easily integrated into existing systems to...

  • Particle View RT Software

    Particle View RT software includes all of the functions required for recording real time data, viewing data (both real time and historical), and producing tabular and graphic reports needed for most users of clean rooms and controlled environments. It is...

  • Particle View Software

    Particle View software includes all of the functions required for the downloading, viewing of data, and production of both tabular and graphic reports. It is designed for use with the Met One Instruments, Inc. line of hand held and bench top...

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