CR4120S-50

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Current transducers are widely used in many countries when it comes to measuring current and voltage. One such device is the CR4120S-50. Developed by Czechoslovakian manufacturing company CTE, this device is suitable for measuring direct and alternating currents of up to 50A. Furthermore, the device allows its user to monitor a current waveform and save the data.

In order to use the CR4120S-50, it needs to be connected between two electrodes sending current instead of measuring it directly. It works by transforming current to proportional voltage which is then sent to the measuring equipment. This way, the device ensures that it operates accurately regardless of the state of the current-carrier system or its capacitance.

The device consists of a main module that consists of two sensing coils, as well as two side modules, one of which consists of a low-pass filter and the other of a signal conditioner. The former eliminates high-frequency noise while the latter brings the signal to the correct level of accuracy. In addition to this, the device is equipped with a safety cage made of polypropylene which is resistant to shocks and temperature fluctuations. This enables the device to be used in conditions with a wide range of temperatures. The device also has a wide power supply range, a low offset voltage and a wide bandwidth.

In terms of applications, the CR4120S-50 is suitable for measuring direct current in power supplies, employing the device as an AC current meter, monitoring insulation equipment and isolating signal origin points. In addition to this, it can be used to protect and detect current faults in switches, transformers and other electrical equipment. Furthermore, it can be employed in power supply systems in order to monitor the current and detect overload conditions.

To conclude, the CR4120S-50 is a versatile and reliable device which can be used for measuring current and voltage with great accuracy. It is suitable for use in a wide range of applications and can be employed in both direct and alternating currents. In addition to this, the safety cage and wide power supply make the device suitable for use in extreme conditions.

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