Automation ProductsGroup”s PT-500 submersible liquid level/pressure transmitters feature avented, watertight cable and deliver a 4-20mAsolid-state signal while submerged up to 450 ft. A unique (patentpending) removable stainless steel cage connects to the sensor with asnap ring and enables users to save significantly on sensorreplacement costs.  The PT-500 transmitters are a good fit for sewage lift stations,tank liquid level measurement, water and wastewater, well depthmeasurement and environmental water depth measurement.