Check the listing for details. Sensidyne Gilian Gilibrator 2 Primary Flow Calibration System. Condition: Used. Listed at 799.00 USD. True Primary Standard (NIOSH) Wet Cell calibrator — accuracy and performance validation for sampling pump air flows from 1 cc/min to 30 LPMThe Gilibrator-2 System provides users with a convenient and highly automated way to check almost any commercially available air sampling pump for proper air flow function before deployment. The system consists of an electronic Gilibrator-2 Base and a wet bubble cell. The cell uses a twist-on bayonet design for quick and easy mounting to the base. Gilibrator 2-USB Base Easy to operate, microprocessor-controlled unit features simple on/off and reset touchpad with large LCD screen that displays flow rate, the calculated average of multiple flow samples in a series and the sample number. Light in weight, it operates with either AC power or rechargeable batteries (8 - hour life) for easy portability in either the lab or the field.