We are offering twin channel electronic comparator twin channel gauge units with selectable probe combinations of +a, -a, +b, -b, +a +b, +a -b, -a +b, -a -b. inch and metric measuring ranges. red, green and yellow tolerance indication for undersize-ok-oversize condition. data output. comprehensive outputs for further processing. compatible with half-bridge and lvdt type inductive measuring probes. sturdy, ergonomic design, suitable for shopfloor environment . add-on modules available for further processing.