Gear Tooth Sensor
• Senses broad range of ferrous target sizes
• Senses a frequency range up to 12 kHz
• Gap sensing capability up to 3 mm
• Full output down to zero Hz
• Rugged, NEMA 4 sensor housing
• Available with 3/4in or 18mm threads
The HE950 produces digital pulse signals for use with speed switches, tachometers, counters, signal conditioners, or as a direct pulse input into programmable controllers (PLCs). It incorporates a dual Hall Effect sensor and signal processing that switches in response to differential magnetic signals created by a ferrous target. Typical targets are gear teeth, keyways, or bolt heads, and the circuitry achieves true zero-speed operation down to zero Hz. Each sensor is entirely solid state with no moving parts to wear out, providing a low maintenance rugged and long-lasting sensor.
The HE950 sensors are powered by 5-24 VDC, provide an NPN open collector output and can be mounted up to 1,500 feet from the control unit. The standard HE950 sensor has a threaded aluminum, NEMA 4 housing and is supplied with an adjustable, plated-steel mounting bracket and 10 feet of 3-conductor shielded cable.
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