DTM 122A total station 1.Distance:1800m-2600m 2.Accuracy: 2 Second 3.Large data memory with 16,000 points total station Models DTM112A, DTM112B, DTM115A, DTM115B, DTM122A, DTM122B, DTM125A, DTM125B suits the measurement with target and prism. Angle accuracies are 2", 3" and 5". Detachable tribrachs are standard on all models. Other standard features are Optical Plummet, dedicated Number Keys, ...