Pfeiffer vacuum ASM 340 Instrument description Leak checker Description and functionality Helium leak checker location and contact persons Contact person marco.vignati Laboratory denomination Laboratorio di rivelatori criogenici Department or Institution Fisica Building CU013 Floor 1 Room 155 Sapienza institutional funding (Finanziamento di Ateneo) other external funding safety notes Safety data notes None. Chemical fume hoods No Air extraction system No Air intake system No Safety cabinet No