What is the difference between RCA tape wear machine 7-IBB and 7-IBB-CC?

Shenzhen Pengjie Precision Instrument Co., Ltd. Popularity: 217 Published: 2018-10-10 [Small, medium and large，What is the difference between the US NOMAN TOOL RCA tape wear machine 7-IBB and 7-IBB-CC?

RCA tape wear tester has different counting methods:

7-IBB type with rotary mechanical counter

7-IBB-CC type digital counter (LCD display, 0~999,999 can set the required number of revolutions)

■ Weight: The host is about 17KG;

■ Power 50/60HZ, 5A, 220V or specified.

Precautions       
The RCA tape needs to be sealed in a dry box or a moisture-proof box. The same sample is tested under different friction media conditions, and there are great differences in the number of revolutions.

What is the number of revolutions of 7-IBB paper tape abrasion testing machine?
In the case of 60HZ, the 7-IBB tape wear tester has a number of revolutions of 18 rpm；
In the case of 50HZ, the 7-IBB tape wear tester has a number of revolutions of 16 rpm;