MAS Spinning Speeds

Doty MAS Spinning Speeds

For printable pdf including 3mm spinning data, click here.


Maximum PROBE Speeds kHz
DI4 XC4	18 22
XC5 5SS 5HS 5Std	18 18 14 9
		A – Si₃N₄ Thick Wall \| B – Si₃N₄Thin Wall \| C – Zr Thick Wall \| D – Zr Thin Wall
Maximum PROBE Speeds kHz
XC7 7SS 7HS 7 Std	12 12 9 6
XC10 10SS	8.5 8.5
		*A – Si₃N₄ Thick Wall \| B – Si₃N₄Thin Wall \| C – Zr Thick Wall \| D – Zr Thin Wall*

MAS Turbine Cap Spinning Speeds
Maximum Spin Speed (kHz) For Caps at Room Temperature
Cap Style	4 mm	5 mm XC or SuperSonic	5 mm Standard & High Speed	7 mm XC or SuperSonic	7 mm Standard & High Speed	10 mm XC or SuperSonic
Kel_F	11	10	9	7	6	5
Torlon or GFT	22	18	14	12	9	8.5
Vespel	21	16	14	12	9	8
Aurum	22	18	14	12	9	8.5
Caps With O-rings	—–	10	9	7	6	5
Vespel w/screw	—–	—–	9	12	9	8
Note: This chart represents only material characteristics for caps. Check the PROBE Specifications. The spinning speed is often more limited by the probe or the rotor material.