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Water Level Sensors

KPSI 500 Series SDI-12 Submersible Pressure & Temperature Transducer

KPSI 500 Series SDI-12 Submersible Pressure & Temperature TransducerThe Series 500 submersible hydrostatic level and temperature transducer represents the leading edge of level sensing technology. Incorporating a highly stable media-isolated sensor, the Series 500 features SDI-12 serial-digital interface. SDI-12 is a standard for interfacing data recorders, such as the Neon and Starlog Data Loggers, with microprocessor-based sensors, especially for water monitoring applications The Series 500 is intended for applications with requirements that include battery-powered operation with minimal current drain, low system cost, and use of a single recorder with multiple sensors “daisy-chained” on one cable. The transducer meets the demanding requirements of the USGS Office of Surface Water (OSW) accuracy specification for stage monitoring.

Able to operate from unregulated 12VDC power, each unit contains a microprocessor and EEPROM, which in addition to supporting the SDI-12 interface, are used to implement sophisticated compensation algorithms. This technique, combined with superior media-isolated sensing technology and proven packaging, results in a price/performance combination unmatched by any previous technique. The attached electrical cable is custom manufactured to any length up to 200 feet, and includes Kevlar members to prevent errors due to cable elongation, and a unique water block feature that self-seals in the event of accidental cuts to the cable. Each transducer is shipped with a SuperDry Vent Filter that prevents moisture from entering the vent tube for at least one year without maintenance, even in the most humid environments. Specifications

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