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The sliding rheostat can change the resistances of the connected
circuit and act as a continuous change of current size, but can not
know the resistance value of the connected circuit accurately.If
you need to know the resistance of the connected circuit, the
resistance box will be used.
Resistance box is a rheostat that can adjust resistances and can
display resistance resistance.
It is compared with a sliding rheostat, and a sliding rheostat
cannot represent the resistance of a connected circuit, but it can
change the resistance in the access circuit continuously.The
resistance box can indicate the resistance value of the connected
circuit, but the resistance change is discontinuous and there is no
sliding rheostat.
SYM HOIST& TOWER CRANE EQUIPMENT CO.LTD.located in Shengyang China is one of thebiggest supplier and export of tower crane,luffing crane topless crane,passenger hoist along with the spare parts for them.With 21 year’experience on tower crane rent installation and reconstruction,the company has more than 50 experienced mechanical and electrical engineer responsible for the installation guide,failure diagnosis,maintaince and reconstruction for the tower crane at the construction site.Having a long-time and good cooperative relationship with China’s most famous manufacturer of tower crane and passenger hoist llike YONGMAO,SANYO,Sichuan SCM,Zoomlion GJJ,BAODA,etc.The company can offer you the best quality original tower crane and passenger hoiet with most competitive price.
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