Patent ID: 6274033
Filing Date: 2001-08-14
Classification: G01F

Abstract:
A sludge gauge for measuring the depth of a sludge layer covering a bottom of a septic tank, said sludge gauge comprising:a guide sleeve for mounting through a septic tank cover;a probe having an upper end slidably received in said guide sleeve and a base end distal said upper end;said probe having a density and a configuration of said base end selected to cause said probe to sink through a liquid layer in said septic tank with said base end settling on said sludge layer when said probe is released from a raised position;a cap securable over an upper end of said guide sleeve;a collapsible connector extending between said cap and said probe for raising said probe into said raised position; and,an indicator attached to said cap for indicating a height of said base end above said bottom of said septic tank.