The IR-USB series infrared temperature sensors feature an IR sensor/signal conditioner installation with a direct USB connection. They include software that converts a PC into a temperature meter, chart recorder, or data logger. Emissivity is adjustable from 0.1 to 1 and this sensor measures temperature from -18°C to 538°C. Price starts at $175. OMEGA ENGINEERING INC., Stamford, CT. (800) 872-9436.