TE KPSI 720 Hydrostatic Level Transducer

TE KPSI 720 Hydrostatic Level Transducer 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. Every KPSI Transducer utilizes 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 vented reference transducer is shipped with a Superdry Vent Filter that prevents moisture from entering the vent tube for one year without maintenance, even in the most humid environments.

TE KPSI 720 Hydrostatic Level Transducer Features

Custom polyurethane or ETFE cable lengths
Welded 316SS or titanium body
Custom level ranges up to 700 ft. (210 m) H2O
Multiple analog outputs
Multiple nose piece styles
Optional lifetime lightning protection
Long life vent filter or aneroid bellows
Available molded cable seal

Applications

Lift stations
Pump control
Level control
Surface water monitoring
Landfill leachate
Well monitoring
Groundwater monitoring

TE KPSI 720 Hydrostatic Level Transducer Specification

Parameter		Comment
Level Ranges
Full-scale level ranges (Intermediate level ranges are available)	2.3 thru 700 ft. H₂0 (0.70 thru 210 m H₂0) 10 thru 700 ft. H₂0 (3 thru 210 m H₂0) 35 thru 700 ft. H₂0 (10 thru 210 m H₂0)	Vented Gage Reference Sealed Gage Reference Absolute 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
Electrical
Excitation	9-28V – VDC output 9-28V – mA outpu 15-28V – VDC output 10-28V – VDC output	0-5V, 0-2.5V, 0-4V 4-20 0-10V 1.5-7.5V
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
Physical
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