Features:
Friability Detector BT-2 and BT-2A
- It has two working modes of timing and counting 
- With repeat experiment function 
- With pause function 
Friability Detector BT-2A+
- Adjustable speed, adjustment range: 20-90 rpm can be set arbitrarily (default 25 rpm) 
- With "chronograph" mode, the timing range is 0-9 hours, 59 minutes and 59 seconds, and the countdown can be selected 
- With "counting" mode, 0 - 99999 times, and can choose to count down 
