EchoTouch Two-Wire Ultrasonic Level Transmitter APPLICATION Level Transmitter
Level Transmitter TM EchoTouch Two-Wire Ultrasonic Level Transmitter APPLICATION SPECIFICATIONS CSA approved intrinsically safe for use in general purpose or hazardous applications, the two-wire ultrasonic transmitter provides non-contact level measurement up to 18’ or 5.4m, and is ideally suited for challenging corrosive, slurry or waste liquids. Push button calibrated, the transmitter is typically selected for atmospheric bulk storage, day tank and waste sump applications located within a classified area. Media examples include diesel fuel and sulfuric acid. Range: FEATURES Intrinsically safe transmitter for use in hazardous environments LU20 Shown LCD digital display indicates level in inches or centimeters EasyCal simple push button calibration for all user set points IP 65 PP enclosure rated NEMA 4X with rugged PVDF transducer Adjustable dead band and range filters eliminate false echo returns Faceplate Shown 6" to 18' (15 cm to 5.4m) Accuracy: ± 0.25% of span in air Resolution: 0.125" (3 mm) Beam width: 8˚ conical Dead band: 6" (15 cm) Display type: LCD, 4-digit Display units: Inch or cm Memory: Non-volatile Supply voltage: 12-32 VDC Loop resist.: 600 Ohms @ 24 VDC Signal output: 4-20 mA, two-wire Signal invert: 4-20 or 20-4 mA Calibration: Push button Fail-safety: Reverts to safe state during echo-loss Process temp.: F: -4˚ to 140˚ C: -20˚ to 60˚ Temp. comp.: Automatic Electronics temp.: F: -40˚ to 140˚ C: -40˚ to 60˚ Pressure: 30 psi (2 bar) @ 25˚ C., derated @ 1.667 psi (.113 bar) per ˚C. above 25˚ C. Enclosure rating: NEMA 4X (IP65) Encl. material: PP, UL94VO Trans. material: PVDF Process mount: 2" NPT (2" G) Mount. gasket: Viton® Conduit entrance: Single, 1/2" NPT Classification: Intrinsically safe Approvals: CSA: Class I, Groups A, B, C & D; Class II, Groups E, F and G; Class III; T3C EEx: Class 1, Division 1, Groups A, B, C, D; EEx ia IIC T3 Parameters: CSA: Vmax < 32.0 V; Imax < 130 mA; Ca = 0 μF; La = 0 μH EEx: Ui = 32 V; Ii = 300 mA; Pi = 1.3 W; Ci = 0 μF; Li = 0 μH CSA: LR 79326 Certificates: CE compliance: EN 61326 EMC LB10 Shown Echotouch LM50 Shown ORDER LU20-50 Process mount (1) (2) 0 2" NPT (US) 6 2" G (Metric) 1-IS Ordering Notes 1) For installation on open tanks, order the LM50-1001 (2" NPT) or LM50-1061 (2" G) side mount bracket. 2) When used in hazardous environments, order the LB10-1001 intrinsic safety barrier.
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