Patent ID: 8528386

Claim:
A sniffing leak detector according to the reference measurement principle, comprising a basic unit including a vacuum pump device, further comprising a handpiece with a sniffing tip, the handpiece being connected to the basic unit via a hose, a measurement-gas suction opening for sucking in measurement gas, a reference-gas suction opening for sucking in reference gas, and a gas analyzer for determining the concentrations of the measurement gas and the reference gas, wherein the measurement-gas suction opening and the reference-gas suction opening on the sniffing tip are arranged substantially parallel to each other with an angular offset of at most 15 degrees, the reference-gas suction opening being arranged at a recessed position relative to the measurement-gas suction opening, being arranged around the measurement-gas suction opening, and comprising a plurality of channel openings forming a ring surrounding the measurement-gas suction opening.