Tender For digital anemometer the portable anemometer provides fast accurate readings with digital readability and t he convenience of a remote sensor separately. multi-functions for air flow measurement: m/s, km/h, ft/min, knots. low fric tion ball-bearing design resulting in accuracy at both high and low velocities. conventional twisted vane arms, always a so urce of unreliability have been eliminated. data hold. compact housing cabinet. wide applications: use this anemometer to check air conditioning & heating systems, measure air velocities, wind speeds, temperature...etc. the supplier shall furn ish calibration certificate and warranty certificate during supply of the item. [ warranty period: 12 months after the date of delivery ]