Item KT-96A Cable Length Meter Locate the broken point of a cable. Length Test Range:400m/4000m/40km. Temperature 0 ∼ 400 ℃ 1.0% rdg ± 3d. Specifications Range Accuracy±(rdg+digits). Indication 3999,with length unit. Length 400m ± 1.0% rdg ± 0.3m.