The Tiger handheld VOC gas detector is a revolutionary handheld, portable PID instrument for rapid, accurate detection of volatile organic compounds (VOCs). Our handheld VOC gas detector incorporates ION Science patented photoionization detection (PID) sensor technology with humidity resistance and anti-contamination design, proven to dramatically extend run time in the field. In addition, this future-ready PID offers upgradeable firmware to convert your PPM to PPB, increasing its value as a true all-in-one solution.