CalTrak® 300

caltrak-300 with Datasheet

Sierra’s CalTrak® 300 is a portable primary standard calibrator for fast +/-1.0% of reading calibrations, delivering the accuracy, reliability and value needed to meet the demands of industrial hygiene and occupational health professionals. The 300 has a wide variety of uses, including quality control in the manufacturing of respirator equipment, personal sampling pumps and other hygiene equipment.


  • Primary standard dry piston prover
  • Volumetric Accuracy: +/-1.0% of reading
  • Flow ranges from 5 ccm up to 30,000 ccm (30 L/min)
  • Portable volumetric flow calibrator for gases
  • Quality: manufactured to ISO 17025 standard at NIST-accredited lab (NVLAP)
  • Ideal for quality control: Industrial hygiene,
  • Occupational safety and health, Air sampling pumps
  • Fast: 1 to 15 seconds per reading (approximate)
  • Ease-of-Use: simple push-button navigation and intuitive user interface allows for quick setup and easy operation
  • Unlike traditional bubble provers:
  • No preparation involved
  • No messy soap bubble solutions
  • Flexible: user-selectable flow units and time intervals
  • leak test checks for internal leaks
  • RoHS and CE compliant
Application NotesTypeLanguage
 Caltrak 300-Datasheet pdf English US 2 MB