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There are many types of opaque sheets, such as wooden sheets, metal sheets, steel plates, alloy sheets, flooring, plastic sheets, rubber sheets, strip steel, PVC sheets, and more. All of these sheets have one common parameter that needs to be measured: width. Sheet width measuring instruments are used for online width detection and can be installed on production lines for real-time measurement. The sheet width measuring instrument is equipped with 2 sets of fixed photoelectric sensors, which can measure the width of the object being tested in real time. It is mainly used for measuring the width of various opaque sheets, capable of both online and offline detection, and it enables automatic feedback control as well as online communication with a computer. Online width gauges can be used in sheet metal production lines; when installing them, they should be placed as close as possible to the sheet output point, while still ensuring the safety of the equipment. This allows for measurement values to be obtained in a short time, which facilitates the adjustment of the equipment’s motor speed and leads to better control results. Installation method: 1. Open the package and check that the instrument and accessories are complete. 2. The calibration bracket components must be removed and properly stored after calibration is completed. 3. The equipment features a C-frame structure, facilitating its loading and unloading. During installation, adjust the base and weld or bolt it to the on-site base so that the equipment is parallel to the workpiece under inspection, with the workpiece being perpendicular to the center line of the two viewports and parallel to the reference plane on the base. 4. The device can be adjusted left and right; to do this, loosen the locking bolts on the locking brackets on both sides of the device, adjust it to the desired position, and then lock it again. 5. Connect the external display and external alarm by inserting the aviation plug into the corresponding interface on the unit. 6. Connect the air inlet to the vortex air pump (the vortex air pump should remain on after the equipment is started; if it is shut down for maintenance, before using the equipment again, wipe the lens on the window frame first and then turn on the vortex air pump). ) 7. After checking that everything is correct, connect the power cable and turn on the device. Calibration of the sheet width meter: This parameter is used to determine the correction amount for the displayed data (actual outer diameter) under normal measurement conditions. This parameter is primarily used to correct deviations in the measurement values caused by certain factors (such as water in the cables, cooling-induced contraction, thermal expansion, etc.). Adding or subtracting a constant from the measurement results means that this correction is not universally applicable; it must be applied separately for different specifications. Calibration steps: On the main interface, place the object to be measured on the guide wheel, and the current measurement value will be displayed ； Go to “System Settings” and select the “Correction” option. Enter this option by pressing the “Correction” value. Press the “Standard Value” option again to switch to the data editing interface ； After editing the data, press the “OK” key to exit edit mode ； By pressing the “Confirm” button, the device automatically calculates the deviation value and saves it in the device. At the same time, the interface returns to the parameter selection screen ； Press the “Save” button to store the parameters and exit. The sheet width measuring instrument is an online width detection device that can measure sheets within a variety of width ranges. It displays the sheet’s width, cross-sectional views, tolerance bands and out-of-tolerance values, predicts trends in dimensional fluctuations, provides defect analysis curves, and shows real-time measurement values. It brings great convenience to the measurement of sheet width. The online width measuring instrument is manufactured using the CCD photoelectric measurement principle; it is simple and easy to use, reducing the workload on staff while improving the quality of the sheets.