TESTEK

Earphones; Oscillographs; Air analysis apparatus; Computer-controlled apparatus for testing and measuring radio frequency signals, concentrations of gas and liquids, audio signals; Entry/exit security portal comprised of an electronic passageway equipped with biometric devices for identification verification and detection of impermissible items being carried through; Gas testing instruments; Infrared detectors; Mobile radios; Portable video cameras with built-in videocassette recorders; Satellite finder meters; Temperature meters not for medical use; Wire diameter measuring devices