Model SDT
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DATA SHEET DREXELBROOK® Model SDT Submersible Level Transmitter Model SDT submersible level transmitter Description The Model SDT Submersible Level Transmitter is specially designed to provide the convenience of direct submergence in many types of liquid for quick, accurate and reliable level measurement. The SDT provides a lower cost, lighter weight option for submersible level applications. The simple design and rugged construction of this solid state instrument provide long lasting service with virtually no maintenance. The Model SDT Transducer indicates the level of liquid by continuously measuring hydrostatic pressure via its isolated sensing element, an ion implanted silicon semiconductor sensor. Once the sensor measures the pressure, the data is transmitted by a 4 to 20 mA, 0.5 to 4.5 VDC, 1 to 5 VDC, 1 to 6 VDC, or 0 to 5 VDC output signal. This design provides for excellent linearity and repeatability, low hysteresis and long term stability. The Model SDT is easy to install; simply lower the transducer into a vessel or well. It's that easy. All the electronics are mounted in a submersible 316 stainless steel housing. A special cable support bracket is also available. This gives extra stability to the transducer when used with longer lengths of cable (up to 2500 feet) or when used in an agitated liquid. A conduit adapter is also available. The transducer is available calibrated for any span needed, from 0 to 1 psi or 0 to 0.07 bar (0 to 2.31 feet or 0 to 0.7 meters of water) to 0 to 150 psi or 0 to 10 bar (0 to 345 feet or 0 to 105 meters of water). Features • Low cost • Solid state semiconductor sensor for accuracy and reliability • Lightweight and compact size • Rugged 316 stainless steel housing with excellentenvironmental protection • Advanced digital compensation • Easy to install and use • Optional temperature measurement capability • Vented to the atmosphere through the surface end of the cable • Reverse polarity and surge protected • 2 wire, 4 to 20 mA output standard; other outputs available Applications • Tanks • Ponds • Rivers • Lakes • Water wells • Landfills • Flood channels

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Product Data Submersible Level Transmitter ELECTRONIC PRESSURE MEASUREMENT PRODUCTS Specifications Model SDT Submersible Level Transmitter Feet of Water (standard ranges): 0 to 2.31, 0 to 14, 0 to 35, 0 to 69, 0 to 138, 0 to 230, 0 to 345 feet of water Meters of Water (standard ranges): 0 to 0.7, 0 to 4.2, 0 to 10.5, 0 to 21.1, 0 to 70.3, 0 to 105.4 meters SPECIFICATIONS of water Feet of Water (standard ranges): 0 to 2.31, 0 to 14, 0 to 35, 0 to Bar 0 to 138, 0 to 230, 0 to 0 to feet of 0 to 0.4, 0 to 1, 0 69, (standard ranges): 345 0.07, water Vibration: 10G, 55 to 2000 Hz Wetted Material:...

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Product Data Model SDT ELECTRONIC PRESSURE MEASUREMENT PRODUCTS Submersible Level Transmitter Model SDT Model Numbering Submersible Level Transmitter Model Numbering: SDT submersible level transmitter SDT Submersible pressure transducer Sensing port S M N Delrin snubnose 316 SST snubnose No snubnose Input /output B C D E F R 11 to 30 VDC / 4 to 20 mA 9 to 30 VDC / 1 to 6 VDC 9 to 30 VDC / 1 to 5 VDC 9 to 30 VDC / 0.5 to 4.5 VDC 9 to 30 VDC / 0 to 5 VDC 5 VDC / 0.5-4.5 VDC (ratiometric from 4.75 to 5.25 VDC input) Pressure ranges PSI 0001 0006 0015 0030 0060 0100 0150 Reference equivalents...

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Model SDT Submersible Level Transmitter Display Meters, Surge Protectors, Junction Boxes and Desiccants DISPLAY METERS AND SYSTEMS Model DDMC Digital Meter/Controller Dual display meter provides power to the sensor with alarm and 4-20 mA analog output options. Standard panel mount housing or a NEMA 4X weathertight housing for field mounting is available. The weathertight housing also provides internal mounting locations for lightning and surge protectors. LEVEL MATE™ III Level Measurement System The complete LEVEL MATE III system includes a level sensor (various models are available), cable...

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