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Met One Instruments Industrial Hygiene Products

Tools to Monitor INDUSTRIAL air quality

In support of environmental health and safety, Met One Instruments, Inc. offers several air and environmental monitoring solutions to make the job of Industrial Hygienists easier. Air quality in a space directly impacts the health and wellness of people in that space. Factors affecting air quality include dust, aerosols, environmental contaminants, and emissions hazards. We provide highly accurate, simple to operate, and reliable instrumentation to monitor indoor and outdoor particulate matter. Equipped with precise airborne particulate data, Industrial Hygienists can make informed decisions about what steps should be taken to protect people’s health.

The all-new Aerocet 532 is an ideal particle measurement tool for Industrial Hygienists looking to monitor indoor air quality, controlled environments, process control, emission sourcing, and filter or compliance testing. This dual-function handheld device functions as a particle counter and doubles as a particulate mass monitor measuring eight channels simultaneously. Need a stationary solution for indoor air quality? Met One’s BT-645 benchtop particle counter offers real-time monitoring and data-logging in a rugged, easy-to-operate package. Our ES-642 remote dust monitor offers excellent flexibility as an indoor/outdoor solution for many applications, particularly well-suited to industrial settings.

The weather may also play a direct role in the air quality of a space or location. Met One Instruments, Inc. provides integrated solutions involving particulate and meteorological measurements. Meteorological parameters include measurement of wind speed, wind direction, temperature, relative humidity, barometric pressure, precipitation, visibility, and solar radiation. The new AQ EAGLE is an excellent outdoor solution for Industrial Hygienists measuring four different PM channels simultaneously while also reporting five crucial environmental parameters allowing the user to calculate particulate matter dispersion.

Met One Instruments, Inc. offers long-lasting, performance-proven measurement equipment, with ongoing after-sale support to ensure a seamless user experience. Our trusted Service department provides calibration and repair services. Many of our instruments have been in the field for well over twenty years.

All instrumentation is designed, assembled, and tested at our manufacturing facilities in Grants Pass, Oregon, where consistency of process and value ensure total customer satisfaction. Our experienced corporate team has given Met One Instruments a reputation for quality and integrity. Industrial Hygienists can rely on our reputation to help get the job done right to safeguard people where the airborne particulate matter may impact health and safety.



➡️ Learn more about environmental health & safety with our Industrial Hygiene 101 article. 

Industrial Hygiene Products:

  • Aerocet 380 Portable Dust Monitor

    The Met One Instruments, Inc Aerocet 380 is a nephelometer that offers real-time airborne TSP (total suspended particulate) concentration levels using the principle of forward-laser light scatter. This instrument is ideal for sampling in any indoor workplace or public place...

  • ES-405

    ES-405 Simultaneous Particulate Profiler

    The ES-405 is a near reference air quality sensor designed to provide accurate real-time measurements of PM10, PM4, PM2.5, and PM1 particulate concentrations simultaneously. It reports these four key particulate concentrations in both indoor and outdoor environments. The rugged weatherproof...

  • ES-412

    NEW ES-412 Portable Simultaneous Particulate Profiler

    Introducing the newest addition to Met One Instruments, Inc. line of Localized Particulate Monitors, the ES-412 Portable Simultaneous Particulate Profiler. As a Near-FEM (Federal Equivalent Method) product, the ES-412 provides the quality and day-to-day stability consistent with EPA quality objectives....

  • 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.

  • DR-528 Handheld Particle Counter

    Meet the newest addition to the Met One Instruments, Inc. lineup of handheld particle counters: the DR-528. This particle counter is optimized in functionality and ease of use with a 2.8″ TFT full-color LCD display, making accurate measurement readings and...

  • Aerocet 532 Handheld Particle Monitor

    Meet the newest addition to the Met One Instruments, Inc. lineup of handheld particle monitors: the Aerocet 532. This particle monitor has been optimized in functionality and ease of use with a 2.8″ TFT full-color LCD display, making accurate measurement...

  • 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....

  • Aerocet 831 Handheld Particle Counter - Met One Instruments

    Aerocet 831 Handheld Aerosol Mass Monitor

    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...

  • 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...

  • The Dock, Handheld Particle Counter Docking Station

    The Dock, Met One Instruments, Inc.’s ALL-NEW docking station is a power and communication accessory for select handheld devices. Compatible with the new generation of MOI handheld particle counters, including the Aerocet 532 and DR-528, The Dock will charge the...

  • 083E Relative Humidity Sensor & 085 Relative Humidity : Temperature Sensor

    Relative Humidity Sensor 083F & Relative Humidity / Temperature Sensor 085A

    The 083F Relative Humidity Sensor is a highly sensitive and stable temperature measurement tool that provides outstanding accuracy. It is reliable in the full range of relative humidity conditions, from 0-100%, performing equally well in meteorological, industrial, laboratory and other...

  • Swift 6.0 Air Flow Meter

    The Swift 6.0 is a multi-function Air 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 provided...

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