QT50ULBQ6 Banner Ultrasonic Block-Style Proximity Sensor, 200 → 8000 mm Detection, Analogue Output, 10 → 30 V dc,

QT50U Series Long Range Ultrasonic Sensor_x000D_ The QT50U series has been designed as a long range, programmable, ultrasonic sensor. It is suitable for use on both AC and DC circuits and is equipped with an electromechanical relay output. It comes enclosed in a shock-resistant housing, is completely sealed and is ideal for monitoring levels of liquids as well as solids._x000D_ Features:_x000D_ Features universal supply voltage: 85 to 264 Vac (50/60 Hz) or 48 to 250 Vdc_x000D_ Offers SPDT electromechanical relay output for setting independent near and far window limits, for applications requiring high and low-limit sensing_x000D_ Available with pump-in and pump-out fill-level control on some models_x000D_ Senses extended range of up to 8 m_x000D_ Features ultrasonic dead-zone of only 2.5% of the total range—75% less than comparable product_x000D_ Available in chemically resistant models with a Teflon coating to protect the transducer_x000D_ Compensates for temperature, for greatest sensing accuracy_x000D_ Simplifies setup with push-button and remote TEACH-mode programming_x000D_ Shows status during setup and operation, using highly visible LEDs indicators