Hanna-Instruments HI311N-1 Speedsafe Two-Speed Magnetic Stirrer, 7-3/32" Length x 7-3/32" Width x 2-51/64" Height, 800 to 1000 rpm, 115 VAC, 32 to 122 Degree F
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Product Feature
- HI 311N is a heavy-duty stirrer that offers dual range precision
- Speed control, a limiter will assure that the maximum speed will never be exceeded (Speedsafe)
- The motor is electronically controlled to maintain the chosen speed as the load changes
- If the viscosity or the level (fluid weight) increases or decreases, the circuitry will adjust the output power
- Measures 7-3/32" length by 7-3/32" width by 2-57/64" height
Product Description
HI 311N is a heavy-duty stirrer that offers dual range precision. The "ZOOM" function of a microscope, this stirrer allows access to two separate stirring ranges. In each range, the speed can be fine tuned for exacting accuracy. This assures maximum repeatability in experiments and processing for laboratory, as well as production use. In addition to speed control, a limiter will assure that the maximum speed will never be exceeded (Speedsafe). HANNA stirrers incorporate a VCO device that will stop the motor from accelerating as soon as the load is removed. HI 311N also has an automatic feedback feature. The motor is electronically controlled to maintain the chosen speed as the load changes. If the viscosity or the level (fluid weight) increases or decreases, the circuitry will adjust the output power. Maximum stirring capacity: 5 liters (1.3 gallons). Speed range: low 100 to 500 rpm. Speed range: high 100 to 800/1000 rpm. Auto feedback: standard. Power supply: 110/115 Vac, 50/60 Hz. Installation category: II. Cover material: AISI 316 stainless steel. Environment: 0 to 50 degree celsius (32 to 122 degree fahrenheit); RH max 95 percent. Measures 7-3/32" length by 7-3/32" width by 2-57/64" height.Hanna-Instruments HI311N-1 Speedsafe Two-Speed Magnetic Stirrer, 7-3/32" Length x 7-3/32" Width x 2-51/64" Height, 800 to 1000 rpm, 115 VAC, 32 to 122 Degree F Review
I've had this stir plate for a few months so far and I'm happy with it. I've used it for probably 100 hours or so without incident. Hopefully it will last a lot longer.The stir plate is quiet (by far the loudest part is the stir bar rubbing against a glass flask) and does not seem to heat up appreciably. The two-speed control is fine, although I don't care that much about it.
Most of the consumer Reviews tell that the "Hanna-Instruments HI311N-1 Speedsafe Two-Speed Magnetic Stirrer, 7-3/32" Length x 7-3/32" Width x 2-51/64" Height, 800 to 1000 rpm, 115 VAC, 32 to 122 Degree F" are high quality item. You can read each testimony from consumers to find out cons and pros from Hanna-Instruments HI311N-1 Speedsafe Two-Speed Magnetic Stirrer, 7-3/32" Length x 7-3/32" Width x 2-51/64" Height, 800 to 1000 rpm, 115 VAC, 32 to 122 Degree F ...
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