TSI Inc.
TSI Incorporated, headquartered in Shoreview, Minnesota, is a global leader in precision measurement instrumentation, software services, and workflow management. For over 60 years, TSI has designed and manufactured innovative solutions that address critical needs in industries such as environmental monitoring, health and safety, HVAC testing, aerosol science, and industrial hygiene.
-
VelociCalc 9515, 9535 & 9535A Ventilation Meters
DustTrak II 8530EP Aerosol Monitor
The DustTrak™ II 8530EP Aerosol Monitor is a robust solution for continuous aerosol monitoring in outdoor settings like construction sites and environmental areas. It accurately tracks dust, smoke, fumes, and mists while providing real-time aerosol mass readings and gravimetric sample collection.This desktop, battery-operated photometer features an external pump designed for 24/7/365 operation. Its sheath air system ensures reliability by keeping the optics clean, minimizing maintenance. The monitor measures aerosol concentrations across PM1, PM2.5, respirable, and PM10 fractions, with inlet conditioners for customization.
DustTrak DRX Aerosol Monitor 8533
The DustTrak™ DRX Aerosol Monitor 8533 is a leading solution for real-time dust monitoring, capable of simultaneously measuring both mass and size fraction concentrations including PM1, PM2.5, PM10, respirable, and total particulate matter. This desktop, battery-operated monitor is ideal for environments ranging from clean offices to harsh industrial sites, construction zones, and outdoor applications.
Using a light-scattering laser photometer with a sheath air system to protect its optics, the DRX offers improved reliability and low maintenance. It features a touchscreen interface, programmable data logging, STEL alarms, and supports gravimetric sampling for calibration. With a measurement range from 0.001 to 150 mg/m³ and compatibility with TrakPro data analysis software, the DustTrak DRX ensures accurate, tamper-proof monitoring in diverse conditions.
DustTrak II 8530 Aerosol Monitor
The DustTrak™ II Aerosol Monitor 8530 is a desktop, battery-operated monitor that provides real-time readings of aerosol mass concentrations using light-scattering laser photometry. Designed with a sheath air system to protect optics, it offers improved reliability and low maintenance.
Ideal for use in office environments as well as industrial, construction, and outdoor settings, the DustTrak II monitors a variety of aerosol contaminants, including dust, smoke, fumes, and mists. It supports measurements for PM1, PM2.5, PM10, and other size fractions, with a range from 0.001 to 400 mg/m³. Key features include STEL alarms, manual and programmable data logging, in-line gravimetric sampling, and compatibility with TrakPro analysis software. An optional environmental enclosure is also available.
DustTrak™ DRX Aerosol Monitor 8533EP
The DustTrak™ DRX Aerosol Monitor provides industry-leading real-time dust monitoring by measuring both aerosol mass and size fractions simultaneously. It detects contaminants such as dust, smoke, fumes, and mists, making it a versatile solution for environmental, industrial, and occupational applications. Powered by a sheath air system to maintain clean optics, this multi-channel, battery-operated photometer delivers accurate aerosol mass readings and collects gravimetric samples. Designed for rigorous, continuous monitoring, the DustTrak DRX Model 8533EP includes an external pump module for 24/7/365 outdoor operation in demanding environments such as construction sites and fugitive emissions monitoring.
PresSura Room Pressure Monitors and Controllers RPC30, RPM20, RPM10
PresSura™ products support hospitals and facility teams in maintaining safe, compliant environments by continuously monitoring room pressure and airflow. Widely trusted in healthcare settings, these systems help ensure standards are met in areas like isolation rooms, operating rooms, compounding pharmacies, and intensive care units.
PresSura™ monitors and controls conditions in one or multiple rooms, with optional features to track temperature, humidity, airflow, and occupancy. It provides clear visual and audible alerts if conditions fall outside safe limits and includes options for remote monitoring at nurse stations.
A user-friendly touchscreen makes the system easy to operate, and integration with building systems ensures smooth communication and control. With secure access and flexible installation options, PresSura™ is designed for reliability and ease of use in critical healthcare environments.
PortaCount™ Respirator Fit Tester 8040
The PortaCount™ Respirator Fit Tester Model 8040 offers consistent, objective fit testing across all respirator types equipped with ≥99% efficient filters. Real-Time FitCheck™ Mode displays how the respirator fit changes during donning and adjustment, helping users quickly identify the best fit. Animated guides walk users through fit test movements, ensuring consistency and allowing administrators to focus on other tasks.
The unit supports Group Fit Test Mode, enabling up to four individuals to be tested simultaneously using four PortaCount units from a single control screen. FitPro Ultra™ Software automates training, testing, and documentation, while the intuitive interface allows quick test initiation. The system is compatible with Modified CNC Protocols and meets OSHA, CSA, HSE INDG, ANSI/ASTM, ISO, INRS, and JIS standards. It measures fit factors exceeding 10,000 and supports fit test card printing. Backward compatibility is available for models 8030 and 8038.
PortaCount™ Respirator Fit Tester 8048
The PortaCount™ Respirator Fit Tester Model 8048 delivers consistent and objective fit testing across all respirator types, including N95 filtering facepieces. Its Real-Time FitCheck™ Mode visually tracks how fit changes during donning and adjustment, aiding in optimal mask selection and user training. Built-in video animations guide proper exercise movements, ensuring consistency and reducing administrator involvement.
Group Fit Test Mode enables simultaneous testing of up to four individuals with four PortaCount units, all managed from one control screen. The unit features built-in N95 Companion™ technology and supports Modified CNC Protocols. It is accepted under OSHA, CSA, HSE INDG, ANSI/ASTM, ISO, INRS, and JIS standards for full-facepiece and half-facepiece respirators, including NIOSH Series -95/-99/-100 and EN FFP1/FFP2/FFP3 types. The FitPro™ Ultra Software automates testing, training, and documentation, and offers backward compatibility with models 8030 and 8038. The intuitive interface simplifies operation, and the system supports fit factors above 10,000, with the ability to print fit test cards and reports.
AccuBalance Air Capture Hood 8380
The AccuBalance® Air Capture Hood 8380 is a lightweight, ergonomically designed tool that simplifies HVAC system testing and balancing, while ensuring compliance with local codes, guidelines, and regulations. This durable, easy-to-use device combines multiple measurement tools into one convenient package, making it an efficient solution for creating healthy and energy-efficient environments.
The AccuBalance® Air Capture Hood 8380 is ideal for HVAC commissioning, clean room certification, troubleshooting HVAC systems, and testing and balancing. Its ergonomic design allows for easy, one-person operation, and it automatically detects and displays supply or return airflow, saving time. Back pressure compensation ensures accurate readings, and multiple hood sizes provide flexibility for a range of jobs. The detachable digital micromanometer further enhances its versatility across various applications.
DP-Calc Micromanometer 8715
The TSI 8715 Micromanometer is designed for precise measurement of pressure, velocity, and flow, helping users meet industry standards with efficiency and accuracy. It features an auto-zeroing pressure sensor that enhances resolution and reduces manual steps, alongside automatic density correction for improved reading accuracy. The intuitive menu structure simplifies setup and operation, while integrated applications like Log-Tchebycheff duct traverse support streamlined calculations.
With Bluetooth connectivity, the 8715 enables easy data transfer and remote polling. It comes with USB-compatible downloading software and supports a range of optional probes for diverse measurement needs, including pitot tubes, airflow, temperature, and humidity sensors. The large backlit graphic display provides an easy-to-use interface, showing up to five measurements simultaneously. The unit is equipped with multilingual programming, on-screen instructions, and messaging for user convenience.
DP-Calc Micromanometer 5815 & 5825
The DP-Calc™ 5815 and 5825 Micromanometers are handheld digital instruments designed for fast, accurate differential and static pressure measurements in HVAC systems. The 5815 model offers straightforward pressure readings, while the advanced 5825 model includes flow calculation and data logging capabilities. These devices are ideal for HVAC commissioning, testing and balancing, Pitot tube duct traverses, static pressure checks, filter pressure drop monitoring, and environmental airflow assessments. They measure pressures from -15 to +15 in. H2O (-3735 to +3735 Pa) and can calculate velocity when paired with a Pitot tube.
LogDat Mobile Android Software LogDatMobile
The LogDat™ Mobile Remote Reader and Data Logger Android App enhances the productivity and reporting capabilities for certain Alnor, AccuBalance, and Airflow Instruments. With wireless Bluetooth technology and a user-friendly interface, the app simplifies the data logging and balancing process, making it a valuable tool for professionals.
VelociCalc 9515, 9535 & 9535A Ventilation Meters
The TSI® VelociCalc™ Air Velocity Meters offer reliable measurement of air velocity and temperature, with models designed to calculate flow rate, perform statistical calculations, and measure humidity, including dew point and wet bulb temperature conversions. The Model 9515 provides an economical option for accurate and precise air velocity measurements, making it ideal for applications such as face velocity measurements in fume hoods, spray booths, and ventilation system checks. The Model 9535 expands on this functionality by simultaneously measuring and logging multiple ventilation parameters with a single probe featuring multiple sensors, including air velocity, temperature, and flow calculations.
VelociCalc 9565 & 9565A Ventilation Meters
The VelociCalc Model 9565 series are advanced, handheld multi-function ventilation test instruments designed for ease of use with a menu-driven interface available in multiple languages. Featuring on-screen prompts and step-by-step instructions, the instruments simplify setup, operation, and field calibration. The ergonomic, overmolded case includes a built-in probe holder and keypad lockout to prevent tampering during unattended use. Available with or without a differential pressure sensor, the 9565 series supports a wide range of plug-in probes, making it suitable for HVAC testing and balancing, cleanroom validation, biological safety cabinet and fume hood assessments, commissioning, IAQ investigations, thermal comfort studies, and process airflow testing.
VelociCalc Rotating Vane Anemometer 5725
The VelociCalc® 5725 is a precision air velocity and temperature measurement instrument that offers multiple advanced features for professionals needing reliable data for ventilation assessments. With its sweep mode, the device ensures rapid and accurate data collection over large areas, making it ideal for use in various HVAC and industrial applications.
SidePak AM520 & AM520i Personal Aerosol Monitors
The SidePak™ AM520 Personal Aerosol Monitor is a compact, battery-operated, single-channel laser photometer designed for real-time aerosol mass concentration and response concentration readings within a worker's breathing zone. It can measure respirable dust, silica, and diesel particulate matter (DPM, 0.8 μm). Its dual display and logging capability allow for the simultaneous tracking of total mass concentration and response factor for specific particles like respirable silica or DPM. The device supports a range of size fraction cut points with inlet conditioners for PM10, PM4, PM5, PM2.5, PM1, and DPM.
MSP Personal Impactors 200 Series
The 200 Series Personal Impactors are compact, lightweight samplers designed for personal particulate matter (PM) exposure studies, ideal for PM2.5 and PM10 sampling in industrial, commercial, and residential environments. Operated with a sample pump, these samplers have a high loading capacity for extended use.
DustTrak™ DRX Aerosol Monitor 8534
The handheld DustTrak™ DRX Aerosol Monitor 8534 is a portable, multi-channel laser photometer designed for real-time aerosol mass and size fraction readings. It is ideal for measuring contaminants such as dust, smoke, fumes, and mists in various environments, from clean office settings to industrial workplaces, construction sites, and outdoor applications. This lightweight, battery-operated device provides precise measurements using a sheath air system that isolates aerosols in the optics chamber, ensuring clean optics, improved reliability, and low maintenance. Its ability to measure size-segregated mass fractions (PM1, PM2.5, respirable, PM10, and PM Total) makes it unique for occupational hygiene, environmental assessments, and engineering control evaluations.
DustTrak II Aerosol Monitor 8532
The DustTrak™ II Aerosol Monitor provides accurate, real-time aerosol mass readings with the ability to perform gravimetric sampling, making it ideal for diverse applications such as occupational hygiene, indoor air quality, environmental monitoring, and emissions assessments. This versatile desktop, battery-operated photometer uses a sheath air system to protect optics for enhanced reliability and low maintenance. Capable of measuring dust, smoke, fumes, and mists, the DustTrak™ II supports a wide range of environments, from clean office settings to harsh industrial or outdoor sites.
AccuBalance Air Capture Hood 8380
The AccuBalance® Air Capture Hood 8380 is a versatile electronic air balancing instrument designed for accurately measuring air volume at diffusers and grilles. Its primary use is in taking direct air volume readings efficiently, helping optimize HVAC system performance. The device features a detachable micromanometer, which can be used with optional probes, offering enhanced flexibility for various measurement applications.
TSI P-Trak 8525 Ultrafine Particle Counter
The TSI P-Trak® Ultrafine Particle Counter (UPC) 8525 is an essential tool for measuring ultrafine particulate levels in workplaces and resolving indoor air quality (IAQ) issues. This portable instrument detects and counts ultrafine particles smaller than one micrometer, often signaling the presence of pollutants responsible for IAQ complaints. With a particle size range of 0.02 to 1 micrometer and a concentration range of 0 to 5 x 10⁵ particles/cm³, the P-Trak® provides highly accurate measurements.
TSI P-Trak 8525 Ultrafine Particle Counter
The TSI P-Trak® Ultrafine Particle Counter (UPC) 8525 is an essential tool for measuring ultrafine particulate levels in workplaces and resolving indoor air quality (IAQ) issues. This portable instrument detects and counts ultrafine particles smaller than one micrometer, often signaling the presence of pollutants responsible for IAQ complaints. With a particle size range of 0.02 to 1 micrometer and a concentration range of 0 to 5 x 10⁵ particles/cm³, the P-Trak® provides highly accurate measurements.
Q-Trak Indoor Air Quality Monitor 7575
The TSI Q-TRAK™ Multi-Function IAQ Monitor Model 7575 is a versatile and reliable indoor air quality monitor, designed to display real-time, simultaneous readings of up to five essential IAQ parameters, including temperature, relative humidity, CO₂, and CO. Known for its precision, the Model 7575 also calculates dew point, wet bulb temperature, and percent outside air, ensuring comfortable, safe, and healthy indoor environments.
IAQ-Calc Indoor Air Quality Meters 7515, 7525 & 7545.
TSI IAQ-Calc™ Meters are advanced instruments designed for comprehensive indoor air quality (IAQ) monitoring. The series includes: Model 7515: A cost-effective solution for measuring carbon dioxide (CO₂). Model 7525: Measures CO₂, temperature, humidity, and calculates dew point, wet bulb temperature, and percentage of outside air. Model 7545: Adds carbon monoxide (CO) detection to the features of the 7525.
Fume Hood Controller FHC50
Fume hoods serve as a critical safety feature in laboratories by containing and exhausting harmful vapors. The TSI FHC50 Fume Hood Controllers enhance this protection by accurately measuring and controlling face velocity, ensuring optimal containment and improved energy efficiency. These controllers are ideal for use in research laboratories, pharmaceutical and life science facilities, academic institutions, vivariums, and healthcare environments.
Fume Hoods Monitors FHM10
The TSI FHM10 Fume Hood Monitor ensures safety in laboratory environments by continuously measuring face velocity and alerting users to unsafe conditions. Designed to help facilities meet OSHA, NFPA, ANSI Z9.5, and SEFA standards, the FHM10 enhances the containment performance of fume hoods and supports regulatory compliance. It is well-suited for research labs, life sciences, pharmaceutical facilities, academic institutions, vivariums, and healthcare settings.
Laboratory control solution with VAV & LRC controller
The TSI Laboratory Room Controller (LRC) is a high-performance VAV HVAC control system designed specifically for laboratories. It maintains positive or negative room pressure, regulates supply and exhaust airflow, and ensures zone-level temperature control for occupant comfort. When paired with a TSI Thermal Flow Station, it enables further energy savings by minimizing pressure drop and directly measuring real-time airflow—enhancing both efficiency and safety compared to traditional venturi valve systems. Optional integration with TSI through-the-wall sensors allows for precise monitoring and adjustment of room pressure differential. With BACnet® IP communications, the LRC easily integrates into building automation systems, making it a cost-effective and reliable solution for laboratory ventilation control.