Features 【High Precision Weighting Sensor】This module uses HX711 24bit high precision A/D converter chip, designed for high-precision electronic scales. Good Working Performance: The input circuit can be configured as a bridge sensor that provides bridge pressure sensor modes (e.g., pressure, weighing), making it an ideal high precision and low cost front-end sampling module. Sensitive weighting sensor: The weighting sensor is accurate and sensitive with small volume. 3 Usage Modes The sensor is a set of half-bridge strain gauges that has three modes of use. Programmable Amplifier: Two analog channel inputs with built-in 128x gain programmable amplifier. Specification: Sensor size: 34 x 34 mm/1.34 x 1.34 inches Internal sensor construction: 1000ohm half-bridge strain gauge Measuring range: 50kg/100kg/200kg Package list: 4 x weighting sensors. 1 x HX711 module. User Manual: When measuring, the outer side is correctly applied with external force. The strain beam part of the E-shaped sensor (that is, the beam arm with the white rubber in the middle of the strain gauge) and the outer side must form a shear force in the opposite direction, that is, in the middle of the strain beam must be able to undergo stress bending changes, and there must be no obstruction on the other side of the beam be of constraint. Inside the sensor is a set of half-bridge strain gauges, which can be used in three ways: 1. Use a sensor with an external resistance to form a full bridge measurement. The range is that of a sensor: 50 kg. Requires higher requirements of external resistance. 2. Use two sensors to form a full bridge measurement. The range is the sum of the ranges of the two sensors: 50kgx2=100kg. 3. Using four sensors to form a full bridge measurement, the range is the sum of the ranges of four sensors: 50kgx4=200kg Note: Please note that the new type and old type of this product will be sent at random, and make sure you do not mind before ordering. Package List