TE KPSI 705 Submersible Hydrostatic Level Transducer


The TE KPSI 705 is a submersible hydrostatic level transducer specifically designed to meet the adverse environments encountered in wastewater applications. This suitably-sized transducer features a wide sensing area comprised of a PTFE coated elastomeric diaphragm for reliable operation in highly viscous or slurry environments.

All KPSI Transducers utilize a highly accurate pressure sensor assembly. The assembly is integrated with supporting electronics in a durable waterproof housing constructed of 316 stainless steel or titanium.

The attached polyurethane or ETFE electrical cable are custom manufactured to specifications 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 vented reference 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 environment.


  • Custom polyurethane or ETFE cable lengths
  • Welded 316SS or titanium body
  • Custom level ranges up to 115 ft. (35 m) H2O
  • PTFE coasted elastomeric diaphragm
  • Optional lifetime lightning protection
  • Available molded cable seal


  • Lift stations
  • Wastewater
  • Slurry Tanks
  • Pump control


Parameter Comment
Level Ranges
Full-scale level ranges
(Intermediate level ranges are available)
6 thru 115 ft. H20 (2 thru 35 m H20)
10 thru 115 ft. H20 (3 thru 35 m H20)
Vented Gage Reference
Sealed Gage Reference
Proof pressure 1.5 x FS
Burst pressure 2.0 x FS
Static Performance
Static Accuracy
(combined effects of non-linearity, hysteresis
and repeatability, best fit straight-line method)
±0.25% FSO BFSL method
Resolution ±0.0001% FS
Excitation 9-28V – VDC output
9-28V – mA output
15-28V – VDC output
10-28V – VDC output
0-5V, 0-2.5V, 0-4V
Input current 20 mA max
3.5 mA max
For mA output
For VDC output
Output 4-20mA, 0-5 VDC, 0-2.5VDC,
0-4VDC, 0-10VDC, 1.5-7.5VDC
Zero Offset Rezero after installation for optimum accuracy. Span is not affected (See application note on website)
Output Impedance See loop diagram for mA output
20 ohm for VDC output
Insulation Resistance 100 mega-ohm at 50 VDC
Circuit Protection Polarity, surge/shorted output
Approximate Weight 0.5 lbs. (227 g) transducer
0.05 lbs./ft. (79 g/m) cable
Cable jacket material Polyurethane (standard)
ETFE (optional)
Cable pull strength 200 lbs. (90 kg)
Cable number of conductors 4
Cable conductor size 22 AWG
Cable seal Molded polyurethane
FKM Gland
For polyurethane cable
For ETFE cable

Download Datasheet: TE Connectivity KPSI 705 Submersible Level Transducer

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Rudy Wiratama


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