TSI OmniTrak Solution Core Module

User Calibration Guide

1. Safety & Handling Notes
   • Use calibration gases in a well-ventilated area.
   • Do not exceed recommended gas concentrations or pressures.
   • Secure gas cylinders upright and use appropriate regulators.
   • Always wear PPE when handling compressed gases.
2. Linganisa Nini
   • Factory calibration – ensures initial accuracy
     • Minyaka yonke
   • Field calibration – compensates for real-world influences and aging over time
     • At least daily or before each study
     • More frequently if:
       • Readings appear inaccurate or drift beyond expected range.
       • It’s exposed to high VOC or CO2 environments, high humidity, dust, or pollutants.
       • Regulatory or certification programs require it.
3. Izisetshenziswa ezidingekayo
   • OmniTrak™ Core module calibration shroud (7590-84)
   • Zero air source and/or span gas (see Recommended Gases and Concentrations table)
   • Gas regulator for ≤ 0.3 L/min
   • FEP lined tubing and regulator
   • OmniTrak™ Smart Station
4. Setha Imiyalelo
   • Start with the Core module paired to the Smart Station
   • Attach the calibration shroud to the Core Module next to the probe
   • Connect tubing from gas source to the calibration shroud
   • On the Smart Station, tap the Connection menu (network icon in the top right corner). Find the Core module to calibrate and tap the kebab (three vertical dots) menu next to the module. Select ‘Calibrate’ and follow the instructions.
5. Ukulinganisa
   For the VOC-LOW sensor, Zero Calibration and Span Calibration are available. If both are performed, Zero Calibration should be completed before Span Calibration.

VOC Zero Calibration

• On the Smart Station Core Module Calibration screen:
• Select ‘VOC LOW’
• Tap ‘Calibrate’
• Tap ‘Zero’
• Apply the zero gas bottle. Tap ‘Continue.’
• Flow zero air into the sensor at ≤ 0.3 L/min
• Wait at least 2 minutes for reading to stabilize, then press ‘Apply’
• Wait for the confirmation message that the zero calibration was successful.

VOC Span Calibration

• On the Smart Station Core Module Calibration screen:
• Select ‘VOC LOW’
• Tap ‘Calibrate’
• Tap ‘Span’
• Flow VOC span gas (i.e., 10,000 ppb isobutylene) into the sensor at ≤ 0.3 L/min
• Wait at least 2 minutes for reading to stabilize, then press ‘Apply’
• Enter Span Gas Concentration (ppb)
• Wait for confirmation message that the span calibration was successful.

CO2 Span Calibration

• On the Smart Station Core Module Calibration screen:
• Select ‘CO2’
• Tap ‘Calibrate’
• Tap ‘Span’
• Flow CO2 span gas (i.e., 400 ppb CO2) into the sensor at ≤ 0.3 L/min
• Wait at least 2 minutes for reading to stabilize, then press ‘Apply’
• Enter Span Gas Concentration (ppm)
• Wait for confirmation message that the span calibration was successful.

Post-Calibration Verification

• Flow gas again and confirm sensor is reading within +/- 10% of target
• Return to ambient air and confirm baseline VOC and CO2 return to expected values.

Ukuxazulula inkinga

Inkinga	Imbangela Engenzeka	Isixazululo
Ukulinganisa kuhlulekile	Ukufundwa okungazinzile	Let readings stabilize before retrying
VOC reading too high post-zero	Contamination in zero air source	Replace or verify zero air source
CO2 span fails	Incorrect gas concentration	Verify gas cylinder and regulator

Isithasiselo

Recommended Gases and Concentrations

Uhlobo lwenzwa	Uhlobo Lokulinganisa	Gas Used	Inhloso
I-VOC	Uziro	Air with zero VOCs/reference zero air, ≤ 0.3 L/min	Establish baseline free of ambient VOCs
	I-span	The known VOC of interest, isobutylene in air is recommended. <10,000 ppb (10 ppm) recommended, ≤ 0.3 L/min	Ensure correct sensitivity to target VOCs
CO2	I-span	CO2 in air, 400 to 2000 ppm recommended, ≤ 0.3 L/min	Ensure accurate readings at expected levels

TSI Technical Support

Please contact TSI or your local channel partner to make service arrangements and to receive a Service Request number. To fill out an online Service Request form, visit TSI Incorporated’s webindawo ku tsi.com/support.

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TSI OmniTrak Solution Core Module [pdf] Iziyalezo 30771, 7590-84, OmniTrak, Module, OmniTrak Solution Core Module, Solution Core Module, Module

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