Rebuilt INFICON UL 1000 Fab mobile helium leak detector from a California vacuum-pump rebuilder, shown as in stock with the price given on request. The published data list a minimum detectable helium leak rate below 5x10^-12 mbar·l/s in vacuum mode and 5x10^-8 mbar·l/s in sniffer mode, helium pumping speeds of 8, 7 and 2.5 l/s across its Gross, Fine and Ultra modes, and 16 m³/h during evacuation. It uses a 180° sector-field mass spectrometer with two yttria-coated iridium filaments and a built-in calibrated test leak, plus RS232 and PLC-compatible I/O. The wheeled unit weighs about 110 kg and runs on 230 V; a dry scroll pump option can be discussed.

Key details

• He leak rate <5x10^-12 mbar·l/s (vacuum mode)
• Sniffer mode 5x10^-8 mbar·l/s
• He pumping speed 8 / 7 / 2.5 l/s (Gross/Fine/Ultra)
• 180° sector-field mass spectrometer, 2 filaments
• Built-in calibrated test leak, RS232 interface
• 110 kg, 230 V 50 Hz, 1,100 VA

Buying this item

Offered by PTB Sales, Azusa, California, United States. Price: on application to the seller.

Checked as available on 14 September 2026. Stock, prices and terms change, so confirm with the seller before you commit. See the seller’s own listing.