Open-Air Shakers

GYROMAX™ 818, 828, and 838 Specifications


  • Maintenance-free brushless motor cooled by a fan for long life.
  • Dynamically balanced, triple-eccentric drive for long life and smooth, stable, and quiet operation. Eliminates need for adjustments as the speed changes.
  • Shaking speed: 40 to 400 RPM (slightly lower at 50 Hz).
  • Digital RPM setting and display in 1 RPM increments.
  • In case of power failure, the timer will count from where it last stopped when the shaker resumes running.
  • Timer setting and display: 99 hours 59 minutes or 9999 minutes in 1 minute increments, or continuous. Timer can count up or down.
Overall dimensions
Model 818
38"W x 24"D x 8.5"H (965mmW x 610mmD x 215mmH)
Model 828
24"W x 19"D x 8.5"H (610mmW x 483mmD x 215mmH)
Model 838 Regular
15.7"W x 13.0"D x 6.5"H (400mmW x 330mmD x 165mmH)
Model 838 Oversize
18.9"W x 15.0"D x 6.5"H (480mmW x 380mmD x 165mmH)
Platform dimensions
Model 818
38"W x 24"D (965mmW x 610mmD)
Model 828
24"W x 19"D (610mmW x 483mmD)
Model 838 Regular
15.7"W x 11.8"D (400mmW x 300mmD)
Model 838 Oversize
18.9"W x 15.0"D (480mmW x 380mmD)

Flask Capacity

Flask Size (mL)
50
125
 250
 500
 1000
 2000
 2800
 4000
 6000
Model 818
160
96
60
40
24
15
8
8
8
Model 828
80
48
30
20
12
6
3
3
3
Model 838 Regular
40
24
12
8
6
3
2
2
1
Model 838 Oversize
42
30
20
12
8
5
3
2
1