» Detection of the ultrasonic sound of PD events at a resonance frequency of 40 kHz » Depending on the type of the receiver, either discharges in air (corona) or in HV equipment can be recognized, as for instance in cable accessories, power transformers and switchgears, including GIS. » Combined with electrical PD detection, the AE technique represents a cost-effective procedure for PD fault location » Measuring frequency appr. 40 kHz » Amplification: - 65 dB » Voltage supply: 9 V » Mean current consumption < 5 mA » optional: Lasermodul available (current consumption appr. 80mA) Delivery Volume: » Ultrasonic Sensor LDA-5/S » Ultrasonic Receiver LDA-5/S1 (airborne sound mode, e.g. corona discharges) » Ultrasonic Receiver LDA-5/S2 (contact mode, e.g. inner discharges » Parabolic Reflector LDA-5/S3 (diameter approx. 30 cm) » Direction finding tool » Earphone » Handle/Assembling part » Carry Case » Manual in English language Doble Lemke GmbH Zschoner Ring 9, 01723 Kesselsdorf / Dresden Germany www.doble-lemke.eu Doble Lemke AG Kaiserstrasse 9, 4310 Rheinfelden Switzerland www.doble-lemke.eu

Additional Pictures Doble Lemke GmbH Zschoner Ring 9, 01723 Kesselsdorf / Dresden Germany www.doble-lemke.eu Doble Lemke AG Kaiserstrasse 9, 4310 Rheinfelden Switzerland www.doble-lemke.eu