• Primary gas flow measurements, NIST traceable with accuracy of ±0.5%
• Suitable for verifying vacuum and pressure pumps, rotameters, setting instrument panels, calibrating gas chromatographs, etc.
• Wide choice of operating ranges
• Completely field portable, rechargeable Ni-Cad battery powered provides up to 8 hours of use
• One button control, auto shut off battery saver
• Instant readout of flow rates
• Not affected by temperature or humidity changes, accurate at any altitude
All calibrators include AC adapter/charger, soap solution, dispenser bottle & operating manual.