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