KPSI 501-Digital Water Level Sensor

Brand: American Sensor Technologies Inc
AST Digital Water Level Sensor, KPSI 501
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KPSI 501-Digital Water Level Sensor

Brand: American Sensor Technologies Inc
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The KPSI 501 submersible hydrostatic level transducer represents the leading edge of level sensing technology available today. 

Designed and tuned to meet stringent USGS OSW specifications of ±0.01 Ft. H₂O often required by governmental regulatory agencies and research institutions. The KPSI 501 incorporates a highly stable media-isolated sensor, and features SDI-12 and RS-485 serial-digital interface standards. 

SDI-12 is a commonly used standard for interfacing data recorders with microprocessor-based sensors, in the environmental monitoring field. The KPSI 501 is an excellent solution for applications that require minimal current drain. It will accommodate cable lengths between sensors and recorder up to 1,000 feet.
Features
  • Custom polyurethane or ETFE cable lengths
  • Welded 316SS or titanium
  • Custom level ranges up to 50 ft. (15 m) H₂O
  • Shipped with Long-Life Vent Filter
  • Removable cable option including PVC jacketed steel armored cable

Specifications

Brand

Accuracy

  • ± 0.01 feet WC
  • ± 0.1 % of Reading

Approvals & Certifications

  • CE
  • RoHS

BSP Connection

  • 1/4” BSP Male

Cable Material

  • ETFE
  • Polyurethane

Communication

  • SDI-12- Standard Version 1.3

Compensated Temperature

  • 0° to 50° C (32° to 122° F)

Electrical Connectors

  • 1/2”-14 Male NPT Conduit Fitting with Gland Cable Seal & Molded Cable Seal
  • 22 AWG

Electrical Protection

  • Lightning Protection

Environmental Protection

  • IP68
  • NEMA 6P

Excitation Voltage

  • 6-28 Vdc

Input Power

  • 1 mA - Quiescent
  • 8 mA - Max.

Interface Connection

  • RS-485

NPT Connection

  • 1/2” NPT Male
  • 1/4” NPT Male

Operating Temperature

  • -20° to 60° C (-4° to 140° F)

Pressure Range

  • bar: 0 to 1.5
  • kPa: 0 to 151.7
  • psi: 0 to 22

Pressure Type

  • Gauge

Resolution

  • ± 0.0001 % of Full Scale

Response Time

  • < 10 Nanoseconds

Seat / Seal Material

  • FKM Gland
  • Molded Polyurethane

Temperature Effect

  • ± 0.001° C
  • ± 0.5° C

Wetted Materials

  • 316 Stainless Steel
  • ETFE
  • FKM
  • Polyoxymethylene
  • Polyurethane
  • Titanium

  • Down Hole
  • Ground Water Monitoring
  • Oceanographic Research
  • Surface Water Monitoring
  • Tailrace & Forebay Monitoring

Documentation

Data Sheets

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