There are two types of tube, 125 KV tube and 150 KV tube. Among them, x ray collimator for 125KV tube is small or medium beam limiter. In Newheek, 125 KV tube uses two kinds of NK102 and NK103.
beam limiters for 125KV tube is commonly used in portable X-ray machines and mobile X-ray machines.
NK202 is another Newheek beam limiter, usually used in fixed X-ray machines. The shape size (WLH) mm of NK202 is 185 x 198 x 145, and its weight (excluding cables) is 6.8 kg. Not suitable for portable or mobile X-ray machines.
The beam limiters for 125KV tube is also small in volume and weight, so it is easy to carry or move.