The Formaldemeter htV is a direct-reading portable formaldehyde monitor that incorporates humidity compensation for improved performance at low concentrations and when taking formaldehyde readings in different environments. Temperature and relative humidity can also be displayed. The htV offers such features as fast response, readings on a 4-digit LCD in under 10 seconds, compact size, rugged construction and simple operation. Formaldehyde concentrations can be displayed in either ppm or mg/m3. ENMET Corp., Ann Arbor, MI.