| Specification: | * Air velocity : 0.4 to 30.0 m/ s, ft/ min., km/ h, mile/ h, knots. * Barometer : 10 to 1100 hPa, mmHg, inHg. * Humidity : 10% to 95% RH, Dew. * Temperature : 0 to 50 oC, oC/ oF. * All in one, hand held type. * Vane probe, high reliability. * Hold, Record ( max., min.) . * DC 1.5V battery ( UM- 4, AAA) x 4. |