Model UL50 Data Sheet

Model UL50 - 50 Year LongLife^TM Reference

Typical Application

Underground storage tanks, buried pipelines, structures below concrete flooring

Featuring

50 year design life with EDI's LongLife^(TM) gelled element
Proprietary backfill mix to retain moisture and minimize migration of contaminants from the surrounding soil
50 feet (15 m) of #14 AWG HMW/PE lead wire is standard

	Housing Specifications Size - 7 inch dia. x 16 inch long (18 cm x 40 cm long) Shipping weight - 25 lb (12 kg)
	Element Specifications Design life - 50 years Shelf life - 1 year minimum Stability - ± 5 mV
	Element Types AGG - saturated gelled Ag/AgCl CUG - saturated gelled Cu/CuSO₄
	Terminations SW – 50 feet (15 m) of #14 AWG HMW/PE LWnnn - nnn feet #14 AWG HMW/PE CWnnn - nnn feet of custom wire (#12 HMWPE is the largest size wire that can be used on this model)
	Model Designation Specify as EDI Model US50-xxx-yy xxx = Element type yy = Termination type

Design Compatability
The Model UL50 is designed for very long-term permanent use to obtain accurate potential measurements on buried structures. It is the best choice for those applications where easy installation is possible, such as an open hole or trench, but subsequent access would be difficult. For those situations where there is limited space, the EDI Model US is recommended. A Cu/CuSO₄ element should be used in low chloride soils (<500 ppm) while a Ag/AgCl element is recommended for high chloride soil (>500 ppm) in order to obtain the longest possible life.

Model UL50 - 50 Year LongLifeTM Reference

Model UL50 - 50 Year LongLife^TM Reference