Compact ultrasonic transmitter SonarFox® UST 02 ■■ Non-contact level measurement of liquid and solid media Specially suitable for sewage treatment plants and power plants Sonar Fox Digital display unit DA 12 Very narrow sound cone A Signalling device Page 32 Application For continuous, non-contact level measurement of liquid and solid media with a wide variety of types of consistencies and surface characteristics. Especially suitable for controlling rakes and gates in sewage treatment plants and power plants. Description The compact SonarFox® UST 02 ultrasonic transmitter consists of a ultrasonic transducer, process connection and housing with screw-on cover. A programming display can be plugged onto the electronics block in the housing. This makes it possible to calibrate the measuring range without time-consuming filling and emptying procedures. The vibration-decoupled ultrasonic transducer is mounted below the process connection. SonarFox® UST 02 is equipped with an output relay for echo loss alarm. Technical Measuring range specifications 0/6,000 mm (blocking distance 250 mm) Measuring accuracy ± 0.2 % FS Output signal (load) 4–20 mA (max. 600 Ohm), 4-wire Sound cone 5° Operating temperature range Medium: -30/+80 °C Ambient: -30/+60 °C Process pressure 0.3 to 3 bar absolute Programming display (option) 6-digit display Echo loss alarm Relay contact: 1 voltage-free changeover contact Contact rating: AC 250 V, 3 A Delay Adjustable 6, 10 or 30 s Housing Impact-resistant plastic (PTB), glass-fibre reinforced Degree of protection Housing: IP 67 (EN 60529) Sensor: IP 68 (EN 60529) Process connection PVDF, G2B Ultrasonic transducer PVDF Electrical connections 2 x cable gland PG 16 Options Programming display Other process connections ■■ Other materials ■■ Supply voltage: AC 85–255 V ■■ Programming display