"The Hall Effect speed sensor (HESS) is ideal for sensing steel gears or other. ferrous targets from 0 to 10 KHz. This sensor does not have a minimum. threshold speed as does a magnetic pickup sensor. When the sensor is. first powered up, the output state is indeterminate (Hi or Lo) when the sensor is. not detecting metal. The unit operates from a +8 to +30 V dc power supply and. is reverse polarity protected. The sensor face can be mounted flush into metal. panels. The case is stainless steel and is supplied with 10 feet (3 m) of cable. The stranded shield wire is not connected to the sensor circuit or case.Detects steel sensing gears or other ferrous targets. NPN open collector output. Operates from 0 to 10 KHz. 3\/8 Inch diameter stainless steel case. Epoxy encapsulated for oil. Dirt & moisture resistant. Ideal for Tachometric inputs. Compatible with all red Lion control sensing gears. Cable length of 10 feet (3.05 m). 3 wire, 22 AWG stranded shield wire. 100% foil coverage. Grey PVC jacketOutput Type = NPNBody Style = BarrelMounting Style = FlushSupply Voltage = 8 - 30 V dcTerminal Type = CableMaximum DC Voltage = 30VDetection Range = 1 mmSwitching Current = 30 mASwitching Frequency = 0 - 10 kHzLength = 63.5mm"

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