ENMET’s SPECTRUM SP personal gas detector with internal pump and a uniquely designed sample head improves the monitoring performance for most gases, particularly at sub-ppm levels. SPECTRUM SP features a backlit digital display, dual-level alarms and a rechargeable battery. This monitor is available for a range of gases including O3, HF, HCL, CL2, AsH3, and more.ENMET Corp., Ann Arbor, MI.