Ketta DT125B New Generation leak detector kit - for outdoor use only pressure pipeline leak detection (for up to 3 m underground)Ketta DT125B New Generation leak detector kit for outdoor use only pressure pipeline leak detection (for up to 3 m underground) Includes 1 x sensor and ground listening spike: Sensor 1: designed for outdoor shallow and soft ground: suitable for pipelines < 100 mm diameter with burial depth up to 3 m Spec: For outdoor use only Depth 3 m measurement range underground max Technical application: Acoustic cavity feedback sensor RCS S3 Suitable for pipes