* Measurement : Humidity, Temp., Dew point * Resolution : 0.01 %RH, 0.01 degree. * 1000 data logger no., RS232 interface. * Optional data transmission software, SWDL2005. * Fast response time. * Separate probe. * LCD display, 006P DC 9 V battery. * Size : 180 x 72 x 32 mm.