GAOTek Pressure Measurement Measuring Anemometer
GAOTek pressure measurement measuring anemometer is to put a thin metal wire in the fluid, and the electric current heats the metal wire, making its temperature higher than the temperature of the fluid, so the wire anemometer is called “hot wire”.
Description
Overview
GAOTek pressure measurement measuring anemometer is to put a thin metal wire in the fluid, and the electric current heats the metal wire, making its temperature higher than the temperature of the fluid, so the wire anemometer is called “hot wire”. When the fluid flows through the wire in the vertical direction, it will take away part of the heat of the wire, making the temperature of the wire drop. According to the forced convective heat exchange theory, it can be deduced that there is a relationship between the heat lost by the hot wire Q and the velocity v of the fluid.
Technical Specification
| Air Velocity | |
| Range m/s | 0.1 m/s to 25.00m/s |
| km/h | 0.3 km/h to 90.0 km/h |
| ft/min | 20 ft/min to 4926 ft/min |
| mph | 0.2 mph to 55.8 mph |
| knots | 0.2 knots to 48.5 knots |
| m/s | 0.01 m/s |
| km/h | 0.1 km/h |
| ft/min | 1 ft/min |
| Mph | 0.1 mph |
| Knots | 0.1 knots |
| m/s | ± (3 %+0.2m/s) |
| km/h | ± (3 %+0.8m/hr) |
| ft/min | ± (3 %+40ft/m) |
| Mph | ± (3 %+0.4MPH) |
| Knots | ± (3 %+0.4knots) |
| M3/min | 0 to 9999cubic metre |
| M3/min | 1 |
| Operating Voltage | 3 x 1.5 V AA alkaline batteries |
| Output | 4 mA t0 20 mA |
| Display | LCD Digital |
| Accuracy of air velocity | 0 m/s to 30 m/s,0 to 99 km/h, to 5860 ft/min |
| Air flow Accuracy | 0 to 9.999 square centimetre |
| Air temperature range | 32 °F to 122 °F (-10 °C to 45 °C) |
| Air temperature resolution | 0.1 °F or °C |
| Air temperature accuracy | 4.0 °F (2.0 °C) |