External sensor can be connected to the measuring device, integrated connection cable 0.5 metres Sensor type: Level probe Measuring principle: Pressure measurement Measuring range: 300 mm Measuring accuracy: 0.2 mm at 20°C Resolution: 0.1 mm Operating temperature: +3 °C to +40 °C Maximum immersion depth: 500 mm Suitable for leak testing wastewater pipes/manholes in accordance with EN 1610. The EDS2 level probe is approved for leak testing light liquid separators and grease separators in accordance with DIN 1999-100/DIN 4040-100, issued by TÜV Rheinland LGA Products GmbH.