1-203-402-0477 [email protected]


Harnessing State-of-the-Art Technology for Air Measurement Applications

AdvancedSense PRO and DSII Multi Parameter Meter

Reliable data-collection and reporting has never been easier

DirectSense II

Build your probe for your needs with GrayWolf’s highly innovative DirectSense II

Green Buildings

Green Building Indoor Air Quality IAQ Monitors, Meters for LEED, WELL, ARC & other Testing

Toxic Multi-Gas Meters

Toxic Multi-Gas Monitors for handheld & long-term Toxic Gas measurement and logging

Portable Meters

Monitoring kits for portable, semi-permanent and/or continuous use. Flexibility for current and future needs.

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.

Continuous Monitoring

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


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

Particulate Meters

Particulate Meters for IAQ, PM2.5, PM10 Measurement and Data-Logging.

Cloud Software App

With GrayWolfLive, view real-time readings on your smart phone with cloud-based logging, remote access and control any of GrayWolf’s Wi-Fi enabled probes, meters or monitors.

WolfSense Mobile App

Connect Smart IAQ and Toxic Gas Probes Directly to Smartphones

GrayWolf Sensing Solutions

Since 1998, the worldwide market leader in high performing portable, datalogging and long-term fixed monitoring indoor air quality (IAQ) meters and monitors.

Advanced sensor, instrumentation, software and reporting technology for superior environmental test instrumentation in facilities from schools to hospitals to office/government buildings to manufacturing plants, shipboard and beyond. Worldwide distribution and service, with a strong and growing presence in other environmental air measurement markets.

DirectSense II IAQ, TOX Multigas Meter



Connect to the meter/monitor/tablet/smartphone of your choice

AdvancedSense PRO/BE and DSII


GrayWolf’s rugged, purpose-built AdvancedSense® Pro/BE meters are feature-rich, yet easy-to-use. Up to 32 simultaneous parameters connecting our reliable, multi-sensor DirectSense® probe(s), in addition to other internal and external sensors.

DirectSense II with Ruggedized Cradle


GrayWolf supplied WIN10 tablets are provided with relevant accessories. Or use WolfSense® LAP software to enable your own WIN 7/8/10 Laptop/PC. Multi-probe connection via cable or Bluetooth and other features as per the AdvancedSense Pro.

DSII and Smartphone



Bluetooth LE wireless connection direct to iOS and Android smartphones and tablets. Photo/video/audio/text notes, advanced data-logging, on-screen graphing, report generation and many other features as per the AdvancedSense Pro.

GrayWolfLive Cloud

GrayWolfLive® cloud platform for remote real-time access, data-logging, and alerts. Connect straight from WiFi enabled DirectSense II probes or via various GrayWolf meters, tablets, or smartphones. View data as text, tables, gauges, and graphs.

To Request Detailed Information:


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)
  • 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
  • Phoenix Constructors
  • Public Works & Government Services Canada Dept. of Architecture & Engineering
  • Skidmore Owings & Merrill
  • US Green Building Council
  • XI’an Univ of Architecture & Tech
  • Baker Group “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
If you are a GrayWolf Customer (or potential Customer) and would care to tell us about your GrayWolf experience, Click Here. We greatly appreciate your valuable feedback and are always open to your suggestions to innovate and improve!


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