Features for BKC-TH18II & BKC-TH21:
*Double lid and lock system.
*Quiet, maintenance-free brushless drive.
*The shortest Acc/Dec time is less than 30s.
*RPM setting function, and short-spin function.
*Acc/Dec: choice of 15 acceleration and deceleration rates.
*Easily setting and reading RCF, speed synchronize in time.
*Double layers steel structure, anti-corrosion coating outside.
*20 programs memory for standard runs, programmability is available.
* Microprocessor control, LED display: rotor model, time, RCF and speed.
* Automatic rotor recognition and imbalance detection, audible alarm for error and imbalance.
Models:
| Model | BKC-TH18II | BKC-TH21 | 
| Max Capacity | 12*10ml | 6*100ml | 
| Max Speed | 18500rpm | 21000rpm | 
| Max RCF | 26019xg | 30409xg | 
| Speed Precision | ±20rpm | |
| Timing Range | 1s~999min | |
| Noise | ≤60dB | |
| Power Supply | AC110/220V, 50/60HZ | |
| External Size(W*D*H) mm | 330*390*325 | 380*450*390 | 
| Package Size(W*D*H) mm | 480*415*470 | 590*610*680 | 
| Net Weight(kg) | 28 | 45 | 
| Gross Weight(kg) | 30 | 50 |