Series VT-200 has the ability to measure air velocity, volume and temperature. The vane thermo-anemometer is equipped with a built-in datalogger and RS232 interface, which makes it suitable for checking the operation of fans and blowers. The company says that temperature measurements are accurate within +/-1.5oF (+/-0.8 oC). Circle 206, Dwyer Instruments Inc., (219) 879-8000,