Multi-Position Magnetic Stirrers
These powerful magnetic stirrers deliver synchronized and uniform mixing with precise speed control for repeatable performance. Available in four or nine position capacities with both digital and analog control options, these units are engineered to accommodate various flask sizes while ensuring reliable operation across diverse laboratory applications.
Capacity and Design
The 318 x 279 mm top plate is designed to handle multiple vessels simultaneously, supporting up to 9 x 250 mL or 4 x 1 L flasks. The glass-filled nylon surface features a reflective white color that is chemical-resistant and minimizes unintended heating of samples, ensuring sample integrity during extended stirring operations.
Control Technology
Digital models feature touchpad controls for precise input of speed and time parameters. Analog models utilize an adjustment knob with dial markings from 1-10. A microprocessor regulates adjustments throughout the entire range, ensuring consistent performance regardless of control method.
Advanced Safety Features
The speed ramping feature slowly increases motor speed for improved safety and enhanced coupling. This function avoids splashing, improves spin bar control, and provides excellent low-end speed control for sensitive applications.
Technical Specifications
| Specification |
STMP4AL |
STMP9AL |
STMP4DG |
STMP9DG |
| Control Type |
Analog |
Analog |
Digital |
Digital |
| Speed Range |
60 rpm to 1400 rpm |
| Timer |
N/A |
N/A |
1 second to 160 hours |
1 second to 160 hours |
| Capacity |
4 x 1 L |
9 x 250 mL |
4 x 1L |
9 x 250 mL |
| Plate Construction |
Glass Filled Nylon |
| Dimensions (H x L x W) |
4 x 17 x 11 in. / 10.2 x 43.2 x 27.9 cm |
| Plate Dimensions (L x W) |
12.5 x 11 in. / 31.8 x 27.9 cm |
| Net Weight |
14 lb. / 6.3 kg |
| Power |
120 V, 50/60 Hz |
| Power Consumption |
75 W |
75 W |
90 W |
90 W |
| Working Environment |
41 °F – 104 °F, 80% RH*, non-condensing / 5 °C – 40 °C, 80% RH*, non-condensing |
*RH = Relative Humidity
Standard Equipment and Construction
- Cast aluminum housing with glass filled nylon top plate
- Stir bars included to accommodate each stirring position
- Speed ramping feature for enhanced coupling and improved stirring
- Microprocessor-controlled for precise speed regulation
- Timer counts up or when programmed to a set time will turn off stirring and sound alarm when timer reaches zero
Compliance
Product Safety
CAN/CSA C22.2 No. 61010-1, CAN/CSA C22.2 No. 61010-2-051, UL 61010-1, UL 61010-2-051
Electromagnetic Compatibility
ICES-003 Class A, FCC Part 15 Class A
Compliance Marks
UL
Accessories
| Spinbar, 2.5 cm, PTFE |
30400147 |
