tetraCal® Air Flow Calibrator

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    tetraCal® Air Flow Calibrator

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The BGI tetraCal® is a simple-to-use standard for volumetric airflow, barometric pressure, and ambient temperature.

The tetraCal is a venturi based system with built-in compensation for changes in ambient temperature and pressure. All tetraCal systems are built and tested at Mesa which is both a NIST traceable Calibration Laboratory and an ISO-9001:2015 facility. 

  • Calibration of particulate samplers and industrial hygiene 
  • Total flow range of 1.2 to 30 LPM 
  • Ultra-model provides a flow range of 1 to 60 LPM 
  • Continuous uninterrupted output display of all parameters 
  • Higher flow Ultra Model allows for calibration of European standard PM samplers
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Technical Specifications
Product Options
Document Downloads

Technical Specifications

  • Flow Rate Range: 1.2 – 30 LPM (tetraCal TC5), 1 – 60 LPM (tetraCal Ultra TC14) 
  • 1-60 LPM (actual volumetric reading) 
  • Temp Operational Range: -30oC to 55oC 
  • Temp Reading Range: -30oC to 55oC 
  • Temp Reading Precision: 0.5oC 
  • Barometric Pressure Range: 400 – 800 mmHg (534 – 1066 millibars) 
  • Dimensions of Control Module: 1.59 in. high (4.04 cm) X 3.9 in. wide (9.91 cm) X 7.7 in. long (19.61 cm) Height with venturi and hose adaptor 6.30 in (16.00cm) 
    Weight with Venturi: 7.4 oz (209 g) 
  • Dimensions of Carrying Case: 15.75 in. wide (40.00 cm) X 4.5 in. high (11.43 cm) X 12.25 in. thick (31.20 cm) 
  • Weight Complete with Contents: 4.69 lbs (2.13 kg) 

Product Options

  • Simple ON/OFF operation — all data displayed on screen automatically 
  • Venturi-based calibrator 
  • Portable 
  • 20 hour battery life (4-AA) 
  • Furnished with universal power supply (120/240 VAC) 
  • Download feature with supplied software 
  • Calibration of environmental and industrial hygiene air-sampling instruments 
  • Calibration and audits of speciation and particulate samplers to U.S. EPA requirements 
  • May be used on any sampler in the 1.2 – 30 LPM range 
  • Usable in field or laboratory 
  • Suitable for calibration of cascade impactors 

Document Downloads

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