Fischbein offers a range of refuge scales supplied with either a simplex or duplex net weigh scale. The systems are equipped with ethernet communications, touch screen panel and Allen Bradley Compact Logix controllers. The RSV-100 simplex scale will average 10 to 14 weight determinations per minute with the larger RSV-200 duplex scale achieving 16 to 21 cycles per minute. Scales are accurate to +/- 1/100 of a pound at 2-Sigma.