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Ningbo Yong Jing Science and Education Equipments Co.,Ltd.

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  • Product Name:Spottingscopes-common
    Product Model: ST20-60;ST15-45
  • Product Name:Spottingscopes-common
    Product Model: ST18-55×65A
                                 ST18-55×65B
                                 RS18-55×65A
  • Product Name:Spottingscopes-Advanced  
    Product Model: ST22-67×100A-ED
                                 ST22-67×100B-ED  


  • Projection Voltmeter, J01461 , is suitable for middle schools and polytechnic schools to measure voltage in the DC circuit
  • Demonstrating Power Meter, Model J0404, is the electrodynamic instrument, with 4 ranges
  • Demonstrating Electric Meter, Model J0401, is suitable for the demonstrating experiment in middle schools and teachers colleges. It can be used as the
  • DC Ammeter, Model B, is the export prodcut specially designed with various ranges according to the customer's demands. It can be used to measure curre
  • is suitable for the Labor-atories of middle schools and polytechnic schools to measure current intensity in DC circuit.

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