1-203-402-0477
SalesTeam@GrayWolfSensing.com

ADVANCED ENVIRONMENTAL INSTRUMENTATION

State-of-the-Art Technology for IAQ and Air Measurement Applications

data-collection and reporting has never been easier

GrayWolf Sensing Solutions - Indoor Air Quality Meter Manufacturer

Since 1998, GrayWolf Sensing Solutions has been a worldwide market leader in Indoor Air Quality meter manufacturing - providing high performing portable, datalogging, and long-term fixed monitors for IAQ, Green Building, as well as Toxic Gas Exposure and HVAC Applications.

Advanced sensor, instrumentation, software, and reporting technology for superior environmental test instrumentation in facilities from schools to hospitals to office/government/residential buildings to manufacturing plants, shipboard and beyond. Worldwide distribution and service, with a strong and growing presence in other environmental air measurement markets.
Indoor Air Quality Meter
AdvancedSense XM IAQ Meter and DirectSense XM Multi-Sensor Probe

DirectSense® XM

Build your probe specific to your needs with GrayWolf’s highly reliable and versatile DirectSense XM

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AdvancedSense XM - Advanced Environmental Instrumentation for Toxic gas applications.

AdvancedSense® XM

All-new, purpose-built AdvancedSense® XM meters support up to 32 simultaneous parameters connecting multi-sensor DirectSense® XM probe(s), in addition to other internal and external sensors (and/or particle meters) via cable and/or Bluetooth.

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Tripod Android PC3016 Square NoBK

Green Buildings

Green Building Indoor Air Quality IAQ Monitors, Meters for LEED, WELL & other Testing
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Toxic Gas Meter

Toxic Multi-Gas Meters

Toxic Multi-Gas Monitors for handheld & long-term Toxic Gas measurement and logging
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DSII in Cradle or Security Case

Long Term Logging

Desktop logging via connection to a meter, tablet or the cloud. Security cases, and tripods are also available for a broad range of monitoring applications.
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Continuous IAQ Monitoring

Continuous Monitoring

Wi-Fi enabled DirectSense XM probes can send real-time info, and trend-log data to smart displays, smartphones, tablets: most any smart device.

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HVAC Kits

Exceptionally accurate differential pressure, air velocity (hotwire or pitot tube) and %RH. Measure Ventilation Rates, Volume Airflow and much more.
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WolfRadio XM Particulate

Particulate Meters

Particle Meters for IAQ, PM1.0, PM2.5, PM10, TPM Measurement and Data-Logging. Use standalone or attach to Smart Phones, AdvancedSense XM’s, Tablets and GrayWolfLive. 
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GrayWolf Live Cloud Datalogger for IAQ

Cloud Software App

GrayWolfLive® enables remote access to secure, real-time and data-logged readings from GrayWolf probes, meters and monitors
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Tripod Android PC3016 Square NoBK

WolfSense® Mobile Apps

Connect Smart IAQ and Toxic Gas Probes Directly to iOS and Android Devices, Including Smartphones
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Platforms

Connect the DirectSense II IAQ and Multi Gas probes to the Indoor Air Quality meter / monitor / tablet / smartphone of your choice

iOS and Android devices

Bluetooth LE connection direct to Android and iOS devices (tablets, smartphones, etc.). Use your own (via free WolfSense Mobile app), or a GrayWolf supplied rugged device. Audio/photo/video text notes, advanced datalogging, on-screen graphing, sensor tips and many other features.

Windows Devices
GrayWolf supplied Windows Tablets are provided with relevant accessories. Or use WolfSense® LAP software to enable your own WIN 8/10/11 Laptop/PC. Multi-probe connection via cable and/or Bluetooth LE wireless. Feature rich.
AdvancedSense XM
GrayWolf’s purpose-built AdvancedSense® XM meters are feature rich. Up to 32 simultaneous parameters connecting multi-sensor DirectSense® XM probe(s), in addition to other internal and external sensors (and/or particle meters) via cable and/or Bluetooth LE. Also use this meter’s Wi-Fi to access all parameters via the cloud.
GrayWolfLive Cloud
GrayWolfLive® secure cloud platform for remote real-time access, datalogging, and alerts. Connect straight from Wi-Fi enabled DirectSense XM probes or via various GrayWolf meters, tablets, Android, or iOS devices. View data as text, graphs, gauges, and/or tables.

Products

INDOOR AIR QUALITY (IAQ) METERS, MONITORS

TOXIC MULTI-GAS METERS, MONITORS

TVOC (PID) TEST METERS, INSTRUMENTS

PARTICLE (PM1.0, PM2.5, PM10, TPM) METERS, MONITORS

CARBON DIOXIDE TEST METERS

Formaldehyde (HCHO) Meters, Probes

OZONE MULTI-GAS METERS

GREEN BUILDING (e.g. LEED, WELL) METERS, MONITORS

DIFFERENTIAL PRESSURE DIGITAL MANOMETERS

HOTWIRE AIR VELOCITY METERS, PITOT TUBE AIRFLOW

GrayWolf’s Cloud, WIN, Droid, iOS & other Apps

ACCESSORIES

To Request Information

Call or email for information on our line of Indoor Air Quality Meters and Multi-Gas Meters

CALL 1-203-402-0477

CLICK TO EMAIL US

Customers

A small sampling listed by selected industries.

Aerospace Customers

  • Airbus
  • Boeing Commercial Airplane Group
  • Bombardier
  • Cessna Aircraft Co
  • General Electric
  • General Dynamics
  • Hindustan Aeronautics
  • Lockheed Martin
  • North American Space Agency (NASA)
  • Northrup Grumman
  • Pratt & Whitney
  • Raytheon
  • ST Aerospace (Singapore)
  • United Technologies Research Center
  • US Federal Aviation Administration (FAA)
  • US Air Force School of Aerospace Medicine
  • Westar Aerospace

Airports & Airlines

  • Air Canada
  • American Airlines
  • Australia Pacific Airports Melbourne
  • British Airways
  • COPA Airlines
  • Dubai Airport Authority
  • Egypt Air
  • Grantley Adams Int’l Airport (Barbados)
  • Greater Orlando Airports
  • Los Angeles International Airport
  • Lufthansa
  • Metro Nashville Airport Authority
  • Metropolitan Washington DC Airports Authority
  • Qantas
  • Scandinavian Airlines System

Architecture and Construction

  • Architect of the (US) Capitol
  • Baker Group
  • BAM Techniek
  • Burj Khalifa
  • Burns & McDonnell Engineering
  • Camp Dresser & McKee
  • China Vanke
  • CLI Group
  • Consigli Construction
  • Delos Living
  • Healthy Home Solutions
  • NEOM West Mtn Running Tunnels
  • Phoenix Constructors
  • Public Works & Government Services Canada Dept. of Architecture & Engineering
  • SAAD Group
  • XI’an University of Architecture & Technology
  • Skidmore Owings & Merrill

“Our agency has utilized GrayWolf devices for several decades, and they have been instrumental in improving indoor air quality and overall health conditions. Their state-of-the-art technology has empowered us to identify airborne hazards with precision, enabling more informed decisions to enhance our environment. We are also incredibly grateful for their exceptional staff; the service and technical support we receive are truly second to none”

Derek J. Falzoi, CIH, 2026,
Architect of the (US) Capital

“We began using the IQ-610 probe in the fall of 2008. It has surpassed our standards when using it for measuring IAQ for LEED Indoor Environmental Quality credit 3.2.”

Thomas C. Hardinge, LEED AP
Baker Group

Aerospace Customers

  • Airbus
  • Boeing Commercial
  • Airplane Group
  • Bombardier
  • Cessna Aircraft Co
  • General Electric
  • General Dynamics
  • Hindustan Aeronautics
  • Lockheed Martin
  • North American Space Agency (NASA)
  • Northrup Grumman
  • Pratt & Whitney
  • Raytheon
  • ST Aerospace (Singapore)
  • SpaceX
  • United Technologies Research Center
  • US Federal Aviation Administration (FAA)

Airports & Airlines

  • Air Canada
  • American Airlines
  • Australia Pacific Airports
  • British Airways
  • COPA Airlines
  • Dubai Airport Authority
  • Egypt Air
  • Grantley Adams Int’l Airport (Barbados)
  • Greater Orlando Airports
  • Los Angeles International Airport
  • Lufthansa
  • Metro Nashville Airport Authority
  • Metropolitan Washington DC Airports Authority
  • Qantas
  • Scandinavian Airlines System

Architecture and Construction

  • Architect of the (US) Capitol
  • BAM Techniek
  • Burj Khalifa
  • Burns & McDonnell Engineering
  • Camp Dresser & McKee
  • Consigli Construction
  • Delos Living
  • Healthy Home Solutions
  • NEOM West Mtn Running Tunnels
  • Phoenix Constructors
  • Public Works & Government Services Canada Dept. of Architecture & Engineering
  • Skidmore Owings & Merrill
  • US Green Building Council
  • XI’an Univ of Architecture & Tech
View Additional Industries, Customers, Testimonials

News

View All Newsletters
View All Press Releases

Upcoming Events

AIHA CONNECT

June 1-3, 2026

Ernest N. Morial Convention Center
New Orleans, LA

Booth #1311

Event Details
“Our agency has utilized GrayWolf devices for several decades, and they have been instrumental in improving indoor air quality and overall health conditions. Their state-of-the-art technology has empowered us to identify airborne hazards with precision, enabling more informed decisions to enhance our environment. We are also incredibly grateful for their exceptional staff; the service and technical support we receive are truly second to none.”
Derek J. Falzoi, CIH