LS-4 R134 Housed Reference Leak Element

Simply attatches to a standard refrigerant bottle to provide an accurate leak.
Ideal to ensure your leak detectors are still accurate enough to meet the current leak testing requirements.
These high accuracy elements should not be confused with other less accurate leak sources.
Available with optional certification traceable to National Standards
Simple and quick to use with 1/4 flare connection
Check that your leaks meet with F-Gas Standards
Calibrated for R134, other gases available on request
Just attatch the item to the 1/4 connection on the cylinder, activate the gas bottle
and allow a short time for the gas to flow and to stabilise, then finally put the detector probe up to the leak to verify that your detector is in calibration