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Features of the Thermo Scientific MaxQ 4000 Benchtop Large Incubated Digital Shaker, Model SHKE4000, include:

- 18 × 18 in.   platform for higher vessel capacity
- Handles up to six 2L flasks
- Clear, scratch-resistant lid allows unobstructed sample viewing without disturbing chamber temperature.
- Variable speed control from 15 to 500 rpm
- View speed, temperature and time simultaneously on three individual LED displays which helps minimize errors in establishing running conditions
- Continuous and timed operation from 0.1 hr. up to 999 hr. or 0.1 min. to 999 min.
- Shaker shutdown and audible/visual alarms signal if unit operates ±10% of set speed, preventing shaker from walking
- User-adjustable speed calibration can be performed using a digital handheld tachometer, where verification is required and protocols can be standardized
- Unbalanced load sensor stops platform motion when excess vibration is detected and visual/audible alarms signal until condition is corrected
- Soft-start feature eliminates sudden starts and stops, splashing of vessel contents or wetting of flask closure
- Solid-state DC brushless motor is maintenance free