Self-compensating tensiometer and method

Patent · Wed Jan 01 00:00:00 EST 2003

OSTI ID:875131

Hubbell, Joel M ^[1]; Sisson, James B ^[1]

---

1. Idaho Falls, ID

A pressure self-compensating tensiometer and method to in situ determine below grade soil moisture potential of earthen soil independent of changes in the volume of water contained within the tensiometer chamber, comprising a body having first and second ends, a porous material defining the first body end, a liquid within the body, a transducer housing submerged in the liquid such that a transducer sensor within the housing is kept below the working fluid level in the tensiometer and in fluid contact with the liquid and the ambient atmosphere.

• Research Organization: BECHTEL BWXT IDAHO LLC
• DOE Contract Number: AC07-99ID13727
• Assignee: Bechtel BWXT Idaho, LLC (Idaho Falls, ID)
• Patent Number(s): US 6539780
• OSTI ID: 875131
• Country of Publication: United States
• Language: English

Related Subjects

self-compensating
tensiometer
method
pressure
situ
determine
below
grade
soil
moisture
potential
earthen
independent
changes
volume
water
contained
chamber
comprising
porous
material
defining
liquid
transducer
housing
submerged
sensor
kept
fluid
level
contact
ambient
atmosphere
ambient atmosphere
soil moisture
below grade
/73/