The Drager 58L Phosphine (PH3) 0.5ppm/N2 Calibration Gas is a vital tool for safety professionals. It’s designed to calibrate phosphine gas detectors accurately. It’s compatible with Drager Bump Test Stations for easy use. Alternatively, you can use it with a regulator and tubing for manual calibration. Regular use of this gas helps keep phosphine detectors reliable. Consequently, it’s crucial for workplace safety in industries where PH3 exposure is a risk.