KPSI 735 Analog Water Level Sensor

Brand: American Sensor Technologies Inc
AST Analog Water Level Sensor, KPSI 735
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KPSI 735 Analog Water Level Sensor

Brand: American Sensor Technologies Inc
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The KPSI 735 is a submersible hydrostatic level transducer specifically designed to meet the rigorous environments encountered in liquid level measurement and control. 

It can be configured to perform to specifications under most adverse, reactive conditions. All KPSI Transducers utilize a highly accurate pressure sensor assembly specifically designed for hostile fluids and gases. The assembly is integrated with supporting electronics in a durable waterproof housing constructed of 316 stainless steel or titanium. 

The attached electrical cable is custom manufactured and includes para-aramid synthetic fiber 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.
Features
  • Custom polyurethane or ETFE cable lengths
  • Welded 316SS or titanium body
  • Custom level ranges up to 700 ft. (210 m) H₂O
  • Multiple analog output
  • Multiple nose piece styles
  • Optional lifetime lightning protection
  • Shipped with long-life vent filter
  • Available molded cable seal

Specifications

Brand

Accuracy

  • ± 0.05 % of Full Scale Static Accuracy

Approvals & Certifications

  • CE
  • FM
  • RoHS
  • UL

Burst Pressure

  • 2 times Full Scale Output

Cable Material

  • ETFE
  • Polyurethane

Circuit Protection

  • Reverse Polarity
  • Short Circuit Protected

Compensated Temperature

  • 0° to 50° C (32° to 122° F)

Electrical Connectors

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

Electrical Protection

  • Lightning Protection

Enclosure, Body Material

  • 316 Stainless Steel
  • Titanium

Environmental Protection

  • Class I, II, III, Div. 1, Groups A, B, C, D, E, F, G
  • IP68
  • NEMA 6P

Excitation Voltage

  • 10-28 V - Vdc Output (1.5-7.5 V)
  • 15-28 V - Vdc Output (0-10 V)
  • 9-28 V - Vdc Output (0-5 V, 0-2.5 V, 0-4 V) & mA Output (4-20 mA)

Input

  • 20 mA
  • 3.5 mA

Insulation Resistance

  • 100 megaohms at 50 Vdc

NPT Connection

  • 1/2”-8 Male NPT Fitting
  • 1/4”-8 Male NPT Fitting

Operating Temperature

  • -20° to 60° C (-4° to 140° F)

Operating Voltages

  • 36 V

Output

  • 0-10 Vdc
  • 0 to 2.5 V
  • 0-4 Vdc
  • 0-5 Vdc
  • 1.5-7.5 Vdc
  • 4-20 mA

Output Load

  • 20 ohms for Vdc Output

Pressure Range

  • bar: 0 to 20.96
  • kPa: 0 to 2,096
  • psi: 0 to 304

Pressure Type

  • Vented Gauge

Proof Pressure

  • 1.5 x Full Scale

Resolution

  • 0.0001 % of Full Scale

Response Time

  • < 10 Nanoseconds

Seat / Seal Material

  • FKM
  • Polyurethane

Temperature Effect

  • ± 4° C - Temperature Measurement Accuracy

Temperature Range

  • -20° to 60° C (-4° to 140° F)

Thermal Drift

  • ± 0.1 % of Full Scale/°C - Thermal Error

Wetted Materials

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

Zero Offset

  • < 0.25 Vdc
  • ± 0.25 mA

  • Lift Stations
  • Pump Control
  • Level Control
  • Surface Water Monitoring
  • Landfill Leachate
  • Well Monitoring
  • Groundwater Monitoring

Documentation

Data Sheets

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