C2000 Wi-Fi Wireless Coupled Power Meter

Measurement Range: 0-2000mT Accuracy: 0.1mT

The BEM-5032A teslameter measures magnetic flux density and is commonly used to assess fields from permanent magnets and electromagnetic sources. Principle: Based on the Hall effect. When current flows through a conducting material in a magnetic field, charges are deflected, producing a potential difference, the Hall voltage, across the material. Measuring this voltage determines magnetic-field strength.

Metal thermal-expansion-coefficient experimental apparatus - Input: Wide input voltage range 110~220V Metal thermal-expansion-coefficient experimental apparatus - Temperature-measurement module: Temperature measurement range from room temperature to 100℃ Metal thermal-expansion-coefficient experimental apparatus - Displacement-measurement module: Microdisplacement sensor measurement range 0-10.000mm

This teaching apparatus determines metal linear-expansion coefficients by heating copper, aluminum, and stainless-steel sample tubes with steam and directly measuring small elongations with a micrometer. It comprises a steam generator, metal sample tubes, temperature sensor, and small-displacement sensor. Small sample changes are measured dynamically during stable cooling, with 2 digital displays showing temperature and displacement in real time. Digital sensors can also record live displacement and temperature curves. Steam-based thermal-expansion measurement avoids scale buildup, pipe blockage, and leaks. An acrylic protective housing ensures safety. Displacement accuracy is 0.001mm. Three easily replaceable samples—aluminum, brass, and stainless steel—make experiments efficient and intuitive.

Adjustable voltage source Ⅱ - 2 voltage-output channels: 0~12VDC, 0~100VDC/0~200VDC Adjustable constant-current source, 0-3.5A - Current output: 0~3.5ADC Adjustable constant-current source, 0-3.5A - Voltage output: 6.3VAC

The central component of the electron charge-to-mass-ratio apparatus is a three-dimensional Wei'erni tube that visibly displays electron-beam trajectories. Place the tube in the field of Helmholtz coils and apply voltage to its electron gun to emit a beam for experimentation. The apparatus has a modular power supply, an easily replaceable tube, a highly uniform field, and an illuminated adjustable mirrored scale. CE certification supports safe, reliable operation.

Flow-rate range [Gas; Reference capacity list]: 0.5~5 ML / MIN to 10~100 L / MIN Flow-rate range [Fluid; Reference capacity list]: 0.5~5ML / MIN to 0.2~2 L / MIN Gas/fluid: Air, N2, O2, H2, He, Ar, CO2, etc.; H20

A float moves vertically in a tapered tube as flow changes. Its equilibrium height corresponds to a flow value for direct visual measurement.

GPS: Built-in; no phone required Courses [preloaded full color course views]: 43000+ Display [source single-prime notation retained]: 3' full color touchscreen

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