Implementation of WlM for Direct Weight Enforcement

 




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Enviko CET8312 Piezoelectric Quartz Dynamic Weighing Sensor

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1.    Summary CET8312 Piezoelectric Quartz Dynamic Weighing Sensor has the characteristics of wide measuring range, good long-term stability, good repeatability, high measurement precision and high response frequency, so it is especially suitable for dynamic weighing detection. It is a rigid, strip dynamic weighing sensor based on piezoelectric principle and patented structure. It is composed of piezoelectric quartz crystal sheet, electrode plate and special beam bearing device. Divided into 1-meter, 1.5-meter, 1.75-meter, 2-meter size specifications, can be combined into a variety of dimensions of road traffic sensors, can adapt to the dynamic weighing needs of the road surface.   2.    Picture of CET8312 3.    Technical Parameters Cross section dimensions ( 48mm+58mm ) *58 mm Sensor Length 1m / 1.5m / 1.75m / 2m Cable length From 25m to 100m ...
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Enviko CET8312-A Quartz Sensor for Weigh-In-Motion (WIM)

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  CET8312-A Quartz Sensor for Weigh-In-Motion (WIM) The CET8312-A is Enviko's latest generation of dynamic quartz sensors, offering exceptional performance and reliable quality. Its linear output, repeatability, easy calibration, stable operation in a fully sealed structure, and absence of mechanical movement or wear make it an ideal choice for transportation weighing applications. Key Features: High Accuracy: Individual sensor consistency accuracy is better than 1%, and the deviation between sensors is less than 2%. Durability: Waterproof, dustproof, rugged, and corrosion-resistant; wide temperature and humidity adaptation range; no need for frequent calibration and maintenance. Reliability: High insulation resistance can withstand a 2500V high-voltage test, extending sensor service life. Flexibility: Customizable sensor length to meet various needs; data cable is resistant to EMI interference. Environmental Friendliness: Uses environmentally friendly materials and complies with...
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Improved Installation Scheme for Piezoelectric Quartz Weighing Sensors on Asphalt Pavement

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  1. Background Technology   Currently, WIM systems based on piezoelectric quartz weighing sensors are widely used in projects such as overload monitoring for bridges and culverts, non-site overload enforcement for highway freight vehicles, and technological overload control. However, to ensure accuracy and service life, such projects require cement concrete pavement reconstruction for the piezoelectric quartz weighing sensor installation area with the current technology level. But in some application environments, such as bridge decks or urban trunk roads with heavy traffic pressure (where the cement curing time is too long, making long-term road closures difficult), such projects are difficult to implement.   The reason piezoelectric quartz weighing sensors cannot be directly installed on flexible pavement is: As shown in Figure 1, when the wheel (especially under heavy load) travels on the flexible pavement, the road surface will have a relatively large subsidence. How...
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