Agilent Varian Calibrated Leak 10-7 KF25 On/Off Valve, Standard CC Per Second, NIST Certified.
Agilent Varian Part Number F8473321
External calibrated leaks are typically used to field test and calibrate helium leak detectors. These calibrated leaks have an ISO KF-25 vacuum flange for connection to the helium leak detector. They include a manual on/off valve and come with a NIST Certificate. These external calibrated leaks have Agilent Varian part number F8473321