Any air quality-monitoring program will involve a significant amount of resources. It is essential that resources are well spent, thus the correct selection of equipment and operational procedures is key. The results obtained must fulfil the original objective for the monitoring exercise.
Scentroid OdoTracker, a wearable multi-sensor device, measures concentrations of two chemicals in ambient air simultaneously. At the time of the order, the user specifies chemical compounds for measurement. For example, the user may specify the measurement of Hydrogen Sulfide (H2S) in ppb level and Ammonia (NH3) in ppm-level. The device logs chemical measurements as well as the temperature and humidity of the sample. GPS location is also recorded, and data is automatically transferred to the user’s supplied Android device via Bluetooth.
Odotracker Components
Each Scentroid OdoTracker includes a sampling pump with an adjustable-rate, two chemical sensors that are specified at the time of ordering, Scentroid’s OdoTracker Application, and an Android tablet. For each sample location, Scentroid instantaneously records:
- The concentration of two chemical vapours in ppm or ppb depending on sensors ordered
- Measure Temperature and Humidity
- The record GPS position of each measurement
- Measure directly from ambient air
- Can record continuously for remote monitoring via Bluetooth
Increased Safety
Odotracker will provide the user with a consistent reading of the ambient air. This provides added protection from overexposure to chemical vapours such as hydrogen sulphide.
Measuring Odour Losses
Laboratories utilize the Odotracker to manage odour losses in sample transportation and storage. For example, H2S and NH3 readings after sampling and before olfactometric analysis. This will allow the laboratory to determine the level of odour losses and if the sample is still valid.
TR8 Odotracker Optional Controlling Module
Odotracker accommodates an optional controller module that has a 10 amp dry contact relay output to signal. This is handy if the summation of the combined scaled chemical readings exceeds a customer-specified threshold setting. Relay contacts are 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 Basics of Operation
- Connect to OdoTracker via Bluetooth
- Connect the sample bag and allow for ambient air gathering
- See chemical readings live
- Take snapshot readings of H2S, Ammonia, VOC, another chemical composition, GPS position, temperature, and humidity of the sample
- Activate recording for continuous data logging
- Export data for reporting and post analysis
OdoTracker can be used to record chemical vapours, along with the intelligent personal olfactometer SM100i to do odour concentration measurements. This provides simultaneous measurements on one Android device.
TR8 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
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