Varian, Inc.
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Leak Detection Models
959 Manual Portable
979 Automated Portable
990 Component
947/948 High-Production
HeliTest Sniffer

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Toll-free: 1.800.882.7426
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Toll-free: 00.800.234.234.00
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HeliTest™ Rack Sniffer Leak Detector

The Varian, Inc. HeliTest Rack Sniffing Leak Detector is specially designed to meet the requirements of industrial leak detection. The patented HeliTest sensor is based on a completely new technology that provides high sensitivity and helium selectivity for accurately locating leaks by the sniffing method.

The HeliTest Rack Leak Detector is an excellent choice if your maximum acceptable leak rate is greater than 2 x 10-5 atm-cc/sec and portability is not needed. The unit can be integrated into automated test systems and, through its analog or RS-232 serial interfaces, can communicate easily with a PLC or PC system.

The Varian, Inc. HeliTest Rack Leak Detector is the ideal entry-level helium leak detector. It offers high performance combined with low cost-of-ownership, providing an effective upgrade from pressure-decay, bubble, and ultrasound leak-testing.

Other features of the HeliTest Leak Detector include:

  • No specific operator training required
  • Leak rate indicated both visually and by audio signal
  • No tuning required
  • Autozero feature automatically cancels out background helium signal
  • No maintenance required


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