Help with Ultrasonic Proximity Sensors specifications:
Specifications
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Operating Distance | Range of distance measurement, or maximum distance measured. | ||
Search Logic: | User may specify either, both, or neither of the "At Least" and "No More Than" values. Products returned as matches will meet all specified criteria. | ||
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Operating Temperature | The temperature range over which the device must operate. | ||
Search Logic: | User may specify either, both, or neither of the "At Least" and "No More Than" values. Products returned as matches will meet all specified criteria. | ||
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Electrical
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Output | |||
Your choices are... | |||
Voltage | Output voltage is a simple (usually linear) function of the measurement. | ||
Current | Often called a transmitter. A current is imposed on the output circuit proportional to the measurement. Feedback is used to provide the appropriate current regardless of line noise, impedance, etc. Useful when sending signals long distances. | ||
Frequency | The output signal is encoded via amplitude modulation (AM), frequency modulation (FM), or some other modulation scheme, but the signal is still analog in nature. | ||
Resistance | An output consisting of a simple change in resistance is typically for a magnetoresistive device. | ||
Switched / Alarm | An "output" of a change in state of switches or alarms | ||
Search Logic: | All products with ANY of the selected attributes will be returned as matches. Leaving all boxes unchecked will not limit the search criteria for this question; products with all attribute options will be returned as matches. | ||
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Load | |||
Your choices are... | |||
AC Load | Output is an alternating current switched value. | ||
DC Load | Output is a direct current switched value. | ||
Search Logic: | All products with ANY of the selected attributes will be returned as matches. Leaving all boxes unchecked will not limit the search criteria for this question; products with all attribute options will be returned as matches. | ||
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DC Load | |||
Your choices are... | |||
2-Wire | 2-Wire DC circuitry typically includes a diode bridge in series with the sensor, allowing functionality either as NPN or PNP in a DC circuit. Acceptable values of leakage current must be evaluated in this type of circuit. | ||
3-Wire NPN | Transistor output that switches the common or negative voltage to the load; the load is connected between the sensor output and positive voltage supply; also referred to as sinking type. | ||
3-Wire PNP | Transistor output that switches the positive voltage to the load; the load is connected between the sensor output and the voltage supply common or negative; also referred to as sourcing type. | ||
4-Wire NPN | Transistor output that switches the common or negative voltage to the load; the load is connected between the sensor output and positive voltage supply; also referred to as sinking type. | ||
4-Wire PNP | Transistor output that switches the positive voltage to the load; the load is connected between the sensor output and the voltage supply common or negative; also referred to as sourcing type. | ||
Search Logic: | All products with ANY of the selected attributes will be returned as matches. Leaving all boxes unchecked will not limit the search criteria for this question; products with all attribute options will be returned as matches. | ||
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Switch Type | |||
Your choices are... | |||
Normally Open | Switch is 'open' until an object is detected. | ||
Normally Closed | Switch is 'closed' until an object is detected. | ||
Search Logic: | All products with ANY of the selected attributes will be returned as matches. Leaving all boxes unchecked will not limit the search criteria for this question; products with all attribute options will be returned as matches. | ||
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Interface | |||
Your choices are... | |||
Serial | A standard digital output protocol (serial) such as RS232, etc. | ||
Parallel | A standard digital output protocol (parallel) such as IEEE488, etc. | ||
Search Logic: | All products with ANY of the selected attributes will be returned as matches. Leaving all boxes unchecked will not limit the search criteria for this question; products with all attribute options will be returned as matches. | ||
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Body Shape
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Body | |||
Your choices are... | |||
Cylindrical | The shape of the potentiometer body is shaped like a cylinder/barrel. | ||
Rectangular | The shape of the potentiometer body is square or rectangular. | ||
Ring | A round or "doughnut" shaped sensor, where object passes through center of ring. | ||
Slot | Designed to detect the presence of a vane or tab as it passes through a sensing slot, or "U" channel. | ||
Other | The body shape is other/specialty. | ||
Search Logic: | All products with ANY of the selected attributes will be returned as matches. Leaving all boxes unchecked will not limit the search criteria for this question; products with all attribute options will be returned as matches. | ||
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Threaded Barrel | |||
Your choices are... | |||
Threaded Barrel | Body exterior is threaded; often comes with mating nuts for panel mounting. | ||
Search Logic: | Products with the selected attribute will be returned as matches. Leaving or selecting "No Preference" will not limit the search criteria for this question; products with all attribute options will be returned as matches. | ||
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