Gas Analyzers


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Overview of TR8 Odotracker:

The TR8 Odotracker Handheld Analyzer is a multi-sensor analysis tool that measures the concentrations of two chemicals in ambient air at the same time. Chemicals to be measured by the device are specified at the time of ordering. As a result, the user may specify the measurement of Hydrogen Sulphide (H2S) at ppb-level and Ammonia (NH3) at ppm-level. The TR8 Odotracker is an incredibly helpful tool, because it logs the chemical measurements as well as temperature and humidity of the sample, GPS location, and automatically transfers all data to the user’s supplied smart Android device via Bluetooth.

A TR8 Odotracker Handheld Analyzer Includes a sampling pump, two chemical sensors that are specified at the time of ordering, and Scentroid’s OdoTracker Application that can be loaded to any customer supplied Android phone/tablet. For each sample location, Scentroid instantaneously records:

  • Concentration of two chemical vapours in ppm or ppb depending on sensors ordered
  • Temperature and humidity
  • GPS position of each measurement
  • Continuously for remote monitoring via Bluetooth

Odotracker Applications:

Measure ambient H2S, Ammonia, Total VOC, and other chemical concentrations
Determine H2S, Ammonia, VOCs, and other chemicals emissions from various types of sources
Determine emission trends through 24+ hour data logging
Verify sample loss due to transportation
Validate dispersion models through emission measurements

TR8 OdoTracker Operation:

Connect to OdoTracker via Bluetooth
Connect the sample bag or allow for ambient air to be pulled in
See chemical readings live
Take snapshot readings of H2S, Ammonia, VOC, another chemical compositions, GPS position, Temperature, and humidity of the sample
Activate recording for continuous data logging
Export data for reporting and post analysis

Complete Odor Assessment

OdoTracker can be used to record chemical vapours, along with the intelligent personal olfactometer SM100i to do odour concentration measurements, providing simultaneous measurements on one Android device.

Increased Safety:

Odotracker will provide the user with a constant reading of the ambient air providing an added protection from over exposure to chemical vapours such as hydrogen sulphide.

Measuring Odour Losses:

Laboratories can utilize the Odotracker to manage odour losses in sample transportation and storage. For example H2S and NH3 readings after sampling and before olfactometric analysis will allow the laboratory determine the level of odour losses and determine if the sample is still valid.

Optional Controlling Module:

Odotracker can accommodate an optional controller module that has a 10 amp dry contact relay output to signal if the summation of the customer specified combined scaled chemical readings exceeds a customer specified threshold setting. This relay contact can be used to trigger alarms or switch on ventilation fans, chemical scrubbers or other devices when a combined scaled chemical concentration for the two sensors is reached. A hysteresis span is provided for relay triggering and non-triggering.

TR8 OdoTracker Weight:

1.7 lbs


Maximum Sensors: 10 (Click here for full sensor list)
Type of Sensors: PID, NDIR, EC, Laser Particulate Counter, MOS


Sampling Rate: Adjustable from 1/s to 1/m
Sampling Ports: 1 to 2
Sampling Range: Range depends on active sensors
Initiation Time: 2 minutes
Settling Time: 0.5 seconds
Pressure Range: 80 – 120 kPa
Additional Parameters Measured: Temperature, relative humidity, GPS position


Battery Life: 24 hours


Communication: Bluetooth connection with any android device


Temperature Range: -30 to 50 °C
Humidity Range:  15 – 90% relative humidity


Manual Calibration: Using calibration gas and on-board screen
Automatic Calibration: Optional, using built-in calibration gas


Warranty: 24 months full warranty on all parts including sensors
Sensor Replacement: Sensor dependent; first 2 years are covered by warranty


Casing: Heavy duty pelican case ensures components are kept safe



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