330780-50-00 | preprocessor | electronic signal processor

Model: 330780-50-00
Category: preprocessor
Finish: New/not new
Delivery time: from stock
Warranty: One year
Express: SF Express/Debon
Payment: Wire transfer, Western Union

The 330780-50-00 preprocessor is an electronic signal processor with the following functions:

High frequency AC current is provided to the probe coil.

The received signal is processed to generate a voltage or current signal that varies linearly with the distance between the probe end face and the measured metal conductor.

In a specific system, such as the selection of 25 probe precursors, the operating temperature range is -30℃ to 100℃, and the temperature drift coefficient is not greater than 0.05%/℃. 330780-50-00 The output mode uses clipped ±10V output, and the supply voltage ranges from ±15Vdc to 18Vdc. For calibrated probes and extension cables, the error of exchanging precursors of the same model should not exceed ±5%. In addition, for every 1V change in the power supply, the output change does not exceed ±0.02%. Its output impedance is not greater than 102, the maximum output current is 50mA, and the preprocessor consumption current is not greater than 12mA. The sensitivity error is within ±7.5%.

The sensitivity error is within ±7.5%, which is usually verified by experiments and tests. During the production process of the sensor, the manufacturer performs a series of calibration and testing to ensure that the performance of each sensor meets its specifications.

Calibration process: 330780-50-00 The manufacturer will calibrate the sensitivity of the sensor using standard measuring equipment and methods. This usually involves measuring the output of the sensor under different conditions, such as at different temperatures, pressures, and displacements.

Error calculation: During calibration, the manufacturer records the actual output value of each sensor and compares it with the theoretical value. They then calculate the difference between these two values, known as the error. This error is expressed as a percentage to make it easier to compare the performance of different sensors.

Statistics and specifications: Manufacturers collect calibration data for a large number of sensors and perform statistical analysis. Based on this data, they determine maximum and minimum error ranges for sensitivity. In this example, the sensitivity error is determined to be ±7.5%, which means that under normal conditions of use, the sensitivity value of the sensor may be 7.5% higher or lower than its nominal value.

Quality control: Finally, manufacturers implement quality control measures to ensure that only sensors that meet the specifications are sold out of the factory.

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