TS
Knowledge Beyond Measure.

OmniTrak™ Solution Modules

Efficiency Meets Intelligence. Customizable, Scalable, and Affordable Monitoring.

The OmniTrak™ Solution Smart Station pairs seamlessly with any OmniTrak™ module to provide immediate, on-site visibility into indoor environmental conditions. View live measurements, generate reports, and analyze data in real time to identify issues and drive informed improvements to air quality.

ProductPart Number
Smart Station7590-00
VOC-PID (ppb) Module7591-03
CO Module7591-06
CI Module7591-10
HCHO Module7591-07
O3 Module7591-08
NH3 Module7591-11
VOC-PID (ppm) Module7591-02
PM Module7591-01
PM + VOC-PID (ppm) Module7591-04
Core Module7591-05

An image displays the TSI OmniTrak™ system, featuring a central Smart Station unit, a Core Module, and a VOC-PID Module. A smartphone screen shows real-time sensor data, including particle counts and VOC levels. The overall setup highlights immediate, on-site visibility into indoor environmental conditions.

Features and Benefits

Applications

A stylized bar chart graphic illustrates data distribution or trends, suggesting the system's capability to analyze and present environmental data.

Module Sensor Specifications

Measurement specifications apply at ambient conditions of 21 +/- 5 °C temperature, 98.6 +/- 5 kPa pressure, and 50 +/- 10% relative humidity.

Sensor ModelSensor TypeRangeAccuracyResolutionResponse Time
Core Module 7591-05CO2: NDIR (non-dispersive infrared)
Barometric Pressure (BP): Piezoresistive
Relative Humidity (RH): —
Temperature (T): —
PM Sensor: —
VOC-EC (ppb) Sensor: Electrochemical
CO2: 400 - 10,000 ppm
BP: 7.7 - 37.2 inHg (260-1260 hPa)
RH: 5 - 95% RH
T: 0 - 60 °C (32-140 °F)
PM Sensor: See separate PM Sensor Specifications
VOC-EC (ppb) Sensor: 0-10,000 ppb
CO2: +/- 3% of reading + 30 ppm (typical)
BP: ± 0.12 in Hg (± 4.1 hPa)
RH: +/- 5% RH
T: +/- 0.5°C (+/- 0.9°F)
PM Sensor: See separate PM Sensor Specifications
VOC-EC (ppb) Sensor: —
CO2: 1 ppm
BP: 0.01 in Hg (0.1 hPa)
RH: 0.1% RH
T: 0.10°C (0.18°F)
PM Sensor: See separate PM Sensor Specifications
VOC-EC (ppb) Sensor: 1 ppb
CO2: t90 < 60 seconds
BP: —
RH: —
T: —
PM Sensor: t50 < 50 seconds
VOC-EC (ppb) Sensor: t50 < 50 seconds
VOC-PID (PPB) Module Model 7591-03PID (Photo Ionization Detector)0 - 20,000 ppb1 ppb1 ppb15 seconds
VOC-PID (ppm) Module Model 7591-02PID (Photo Ionization Detector)0 - 2,000 ppm0.1 ppm0.1 ppm<10 seconds
PM + VOC-PID (ppm) Module Model 7591-04VOC-PID (ppm) PID (Photo Ionization Detector)
PM Sensor
0 - 2,000 ppm
See separate PM Sensor Specifications
0.1 ppm
See separate PM Sensor Specifications
0.1 ppm
See separate PM Sensor Specifications
<10 seconds
t50 < 50 seconds
Ammonia (NH3) Module Model 7591-11Electrochemical0 - 100 ppm+/- 10 ppm0.1 ppm15 seconds
Carbon Monoxide (CO) Module Model 7591-06Electrochemical0 - 400 ppm15% + 2 ppm0.1 ppm45 seconds
Chlorine (C12) Module Model 7591-10Electrochemical0 - 20 ppm5% + 0.8 ppm0.01 ppm90 seconds
Formaldehyde (HCHO) Module Model 7591-07Electrochemical0 - 10 ppm2% + 1 ppm0.01 ppm300 seconds
Ozone (O3) Module Model 7591-08Electrochemical0 - 20 ppm15% + 1.5 ppm0.01 ppm60 seconds

PM Sensor Specifications

PM Modules Models: 7591-01 PM Module, 7591-04 PM + VOC-PID (ppm) Module, 7591-05 Core Module

Particle CounterParticulate Mass
Concentration RangeParticle Bins and Particle Size Range (NC = Number Concentration)Concentration Precision¹ for PM0.5, PM1, and PM2.5²Concentration Precision¹ for PM4, PM10³Concentration RangeMass Concentration Bins and Particle Size RangeMass Concentration Precision¹ for PM1, and PM2.5²Mass Concentration Precision¹ for PM4, PM10³
0 to 3,000 (#/cm³)
(0 to 84,950,000 (#/ft³))
NC0.5: 0.3 to 0.5 µm
NC1.0: 0.5 to 1.0 µm
NC2.5: 1.0 to 2.5 µm
NC4: 2.5 to 4.0 µm
NC10: 4.0 to 10.0 µm
0 to 1,000 #/cm³ (0 to 28,320,000 #/ft³): ±100 (±2,832,000) #/cm³ (#/ft³)
1000 to 3000 #/cm³ (28,320,000 to 84,950,000 #/ft³): ±250 (±7,080,000) #/cm³ (#/ft³)
0 to 1,000 #/cm³ (0 to 28,320,000 #/ft³): ±10 % m.v.
1000 to 3000 #/cm³ (28,320,000 to 84,950,000 #/ft³): ±25 % m.v.
0 to 1,000 µg/m³PM1.0: 0.3 to 1.0 µm
PM2.5: 0.3 to 2.5 µm
PM4.0: 0.3 to 4.0 µm
PM10.0: 0.3 to 10.0 µm
0 to 100 µg/m³: + [5 µg/m³ + 5% m.v.]
100 to 1000 µg/m³: ±10 % m.v.
0 to 100 µg/m³: ±25 µg/m³
100 to 1000 µg/m³: ±25 % m.v.

Response time for both Particle Counter and Particle Mass: t90 < 13 seconds. ¹ Also referred to as "between-parts variation" or "device-to-device variation". ² Verification Aerosol for PM2.5 is a 3% atomized KCI solution. Deviation to reference instrument is verified in end-tests for every sensor after calibration. ³ PM4 and PM10 output values are calculated based on distribution profile of all measured particles.

Specifications OmniTrak™ Solution Modules

Power Requirements

Environmental/Installation Requirements

Battery Life

Weight

Dimensions

Sample Interval

Applies to both Smart Station and Modules. Range is dependent on many variables (i.e. wireless traffic, metal, etc.) and can not be guaranteed.

A series of vertical bars, resembling a simplified histogram or data visualization, is displayed, possibly representing data points or system status.

To Order

SpecifyDescription
7590-12Small Case for Smart Station + 2 Modules (Core or Standard)
7590-22Large Case for Smart Station + 5 Modules (Core or Standard)
7590-52OmniTrak Kick Stand, Hand & Wrist Strap
7590-84Core calibration shroud

TSI Incorporated - Visit our website www.tsi.com for more information.

Contact Information

USA
Tel: +1 800 874 2811

UK
Tel: +44 149 4 459200

France
Tel: +33 1 41 19 21 99

Germany
Tel: +49 241 523030

India
Tel: +91 80 67877200

China
Tel: +86 10 8219 7688

Singapore
Tel: +65 6595 6388

P/N 5003070 Rev G ©2025 TSI Incorporated Printed in U.S.A.

Specifications are subject to change without notice. Wi-Fi is a registered trademark by the Wi-Fi Alliance. The Bluetooth® word mark and logos are registered trademarks owned by Bluetooth SIG, Inc. and any use of such marks by [licensee name] is under license. Other trademarks and trade names are those of their respective owners. TSI, the TSI logo are registered trademarks of TSI Incorporated in the United States and may be protected under other country's trademark registrations.

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