DeltaCal
NIST Traceable standard for volumetric air flow, barometric pressure and ambient temperature.
For calibration of:
– PM2.5 and PM10 samplers in accordance with US EPA requirements
– Field or indoor use
3 Flow Ranges:
1.5 – 19.5, 10- 60, 0.8-3.5 LPM
• Venturi based calibrator
• Fully NIST-traceable
• 0.75% accuracy per reading
• Any air sampler in the ran
TetraCal
NIST Traceable standard for volumetric air flow, barometric pressure and ambient temperature
For calibration of:
– Environmental and industrial hygiene air sampling instruments
– Particulate samplers to US EPA requirements
• Simple on/off design
• Use on any sampler in the range 0.1 – 60 LPM
• Portable Venturi based calibrator
• 20 hr battery life
• Optional external temperature probe
• Use in the field or laboratory