KPSI Series 500 SDI-12 Submersible Level Transducer

The Series 500 submersible hydrostatic level transducer represents the leading edge of level sensing technology available today. 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 with microprocessor-based sensors, especially in the environmental monitoring field. The transducer meets the demanding requirements of the USGS Office of Surface Water (OSW) accuracy specification for stage monitoring. 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.  It will accommodate cable lengths between sensors and recorder up to 200 feet.

Series 500 Features

• Level Ranges up to 230 ft (70 m) H₂O
• Unsurpassed Accuracy of ±0.05% Total Error Band
• SDI-12 Communication Interface
• Welded 316 SS or Titanium Construction
• On-board Surge Protection
• Optional Lifetime Lightning Protection
• Custom Cable Lengths

Series 500 Applications

• Well Monitoring
• Down Hole
• Level Monitoring
• Ground Water Monitoring
• Tank Level
• Surface Water Monitoring
• Oceanographic Research
• Dewatering
• Reservoirs

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 Pressure Systems’ specifications 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 our latest SuperDry™ Vent Filter that prevents moisture from entering the vent tube for at least one year without maintenance, even in the most humid environments.

Dated 01/07

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