LED Motor Tachometer RPM Gauge Speed Meter Measuring Instrument Sensor Set

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Item: 356303328552

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eBay SAFE & SECURE SHOPPING 100% SATISFACTION GUARANTEED FAST SHIPPING LED Motor Tachometer RPM Gauge Speed Meter Measuring Instrument Sensor Set Product Description If you have any questions, please contact customer service first, do not open disputes easily, thank you! Feature: Motor speedometer with Hall sensor set. The meter only feeds back the detected correct working status, and does not process the data. The detection data jumps too much, please check whether the detection object is rotating at a constant speed and whether the installation is stable. Working power supply: AC / DC8-24V, 40mA Display mode: 0.56LED, four digit reading Measuring range: 10-9999 Measurement accuracy: ± 0.1%, reading ± 1 word Display refresh rate:> 3 times / second Overrange display: the first digit displays “1” or “-1”, the last three digits are not displayed. Specification: Product Name: Motor Speedometer Size: about 79 * 26 * 43 (mm) Color: blue, red, green Product List: 1X LED digital speedometer 1X Hall sensor 1X Cable 1X Magnet Precautions for use: 1. Connect the plug correctly according to the wiring diagram 2. The Hall switch is NPN normally open type, and the detection distance of the Hall switch needs to be within 10mm. The diameter of the Hall switch is 12mm, and the wire length is less than 1m. 3. Strong electromagnetic interference should be avoided. It is best to use shielded wire or twisted pair for the measuring wire. 4. The switch or circuit for the counting signal and clearing signal input of the counter should be as close as possible to the terminal of the counter to make the signal line as short as possible. 5. Avoid connecting with other equivalent pipes or twisted wires such as strong electric wires or power wires to avoid unnecessary interference. If necessary, please use shielded wires. The shield is connected to the counting terminal “+”. 6. It is not recommended to use mechanical switches or micro switches, because their life is relatively short, and it is easy to miscount after a long time; if using mechanical switches or micro switches, please use better quality to avoid miscounting, strong magnetic switch is recommended. Common errors: 1. Eccentric circle Eccentric circle turntable, rotating up and down shaking speed is not accurate. 2. Hand-held Hall switch or hand-held motor is wrong operation, undetectable or inaccurate. 3. The magnet is not fixed and the detection is not accurate. About Us About Us We accept all payments authorized by eBay. Copyright © 2022 Tongtool

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