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Pfeiffer <strong>Vacuum</strong><br />
Page 120<br />
<strong>Vacuum</strong> <strong>Technology</strong><br />
Pfeiffer <strong>Vacuum</strong> offers the “SmartTest” leak detector with the following equipment:<br />
Counterflow leak detector with turbopump and sector field mass spectrometer<br />
Calibration leak with automatic calibration<br />
Sniffer probe<br />
Digital display with automatic measurement range selection<br />
Audible leakage indication via the pitch of a signal tone<br />
Various types of backing pumps<br />
The SmartTest HLT 550 permits any suitable backing pump to be connected, making it ideally<br />
suited for integration into leak detector systems.<br />
Figure 5.5: SmartTest HLT 560 leak detector<br />
The SmartTest HLT 560 (Figure 5.5) is a helium leak detector with an integrated rotary vane<br />
pump offering a pumping speed of 5 m3 / h. With this configuration, leak detection in the<br />
vacuum mode is also possible within a reasonable period of time for larger workpieces<br />
(Table 5.1). The HLT 560 can naturally also be used in the sniffer mode when attached to<br />
vessels that are charged with helium.<br />
The SmartTest leak detector is mounted on a trolley together with larger backing pumps. The<br />
following versions are available:<br />
With a 30 m 3 / h rotary vane pump<br />
With dry backing pumps of various sizes if an oil-free environment is required<br />
(Figure 5.6)<br />
With a bypass option enabling large vessels to be pre-evacuated by means of an<br />
additional backing pump. During this phase, an upstream valve isolates the leak detector<br />
from the workpiece, thus preventing contamination of the leak detector<br />
With remote control and sniffer probe as accessories<br />
The versions described here are shown in Table 5.1.<br />
www.pfeiffer-vacuum.net
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