Gilian Challenger Air Flow Calibrator
DEMO UNIT (WORKING-SOLD AS IS)
Battery powered for portable auditing of sampling pumps (AA batteries not included)
Includes soft carrying case
Calibrate and verify air sampling equipment with the Challenger calibrator. Airflow is measured with a Venturi, making the calibrator virtually maintenance-free. An LCD indicates the volumetric and standard flow rate, barometric pressure, and ambient temperature. Connect to a computer through the RS-232 output and download a graphic display of all functions.