Tension sensors of different appearances (e.g., S-type tension sensors, wheel load tension sensors) are designed based on the intensity and magnitude of different tension forces.

S-type tension sensor: The most common type of mechanical sensor, mostly used to measure tension and pressure between solids (also called a tension-pressure sensor). Its S-shaped appearance gives it its name. Advantages: easy to install and use; suitable for electronic force-measuring systems like crane scales, batching scales, and mechanical modification scales.
Wheel load tension sensor: Named for its spoke-like shape. Advantages: better suited for large ranges and harsh working conditions; excellent frequency response characteristics. Widely used in construction, cement, chemical industries, and lifting/hoisting sectors.

Why Calibrate and Standardize Sensors?

Check signal adequacy: For example, a 20KG sensor needs a signal of 1.0 or higher. If it only outputs 0.05mV at 20kg, it is unfit for use. Thus, sensor standardization verifies whether the sensor is qualified.
Sensor calibration: The signal of a manufactured sensor is mostly fixed, but reasonable errors exist in operation and production—so signals of a batch of sensors may vary. If a customer needs signal balance, zero/peak signal calibration is required. Other calibration/standardization operations are typically associated with sensor instruments or transmitters.

How to Correctly Calibrate a Tension Sensor

Understand the Tension Sensor’s Pros and ConsIts advantages include high precision, wide measurement range, long service life, simple structure, good frequency response, ability to work in harsh conditions, and ease of miniaturization/integration with diverse models. Disadvantages: large nonlinearity for large strains and weak output signals (compensated via specific measures). Thus, it is widely used in automatic testing and control technologies.
Configure the Sensor ConnectionFirst, identify the display’s sensor interface pins (power positive/negative, feedback positive/negative, signal positive/negative):
- For 6-wire sensors: The two wire groups with the smallest resistance are power/feedback positive/negative. Connect to the display, load the sensor, and measure the voltage of the remaining two wires (positive to display signal positive, negative to signal negative).
- For 4-wire sensors: Short the display’s power positive to feedback positive, and power negative to feedback negative. Use a multimeter to test the four wires: the two with the largest resistance are power wires; the other two are signal wires.
Wire Color Coding by Region
- Domestic sensors: Red = power positive, black = power negative, green = signal positive, white = signal negative.
- European sensors: Green = power positive, black = power negative, white = signal positive, red = signal negative.
Perform Calibration OperationsEnter the calibration interface, select "Test Force Calibration" from the dropdown:
- Full-range (first gear) calibration: Select the first gear (max range).
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