Chemistry diaphragm pump in action
Vacuum filt
- convenient, quick and simple to use due to the new top-mounted power switch
- whisper quiet and very low vibration
- requires minimal benchtop space
- maintenance-free drive system and proven long diaphragm life
- high chemical resistance
Vacuum filtration is one of the most common applications used for sample preparation in chemistry, microbiology, waste water control and other analytical processes. The ME 1C diaphragm pump offers a compact, high performance and easy-to-use solution which is perfect for single filtrations. This development, based on the highly successful technology of the oil-free diaphragm pump MD 1C, provides a well-proven and extraordinarily long diaphragm life time. The functional, space saving and innovative design with easily accessible, top-mounted power switch ensures convenient and quick operation for day-to-day lab work. Robust PTFE diaphragms and valves provide optimal chemical resistance. A manual vacuum regulator valve with dial gauge for adjustment of pumping speed and ultimate vacuum is available as accessory. One-stage diaphragm pumps are an excellent solution for continuous, oil-free pumping of gases and vapors with a modest vacuum requirement. In contrast to water-jet pumps they do not consume water and therefore do not produce any contaminated waste water in daily use. Typical applications for the ME 1C are filtrations and solid phase extractions with solvents. At a process vacuum of 100 mbar, 90% of the atmospheric pressure is available as the driving force for the application. If a certain pressure difference must not be exceeded, the pump can be equipped with an optional manual vacuum regulator valve with dial gauge. It enables continuous adjustment of pumping speed and ultimate vacuum.
Technical data and graphs
| Max. pumping speed 50 Hz | 0.7 m3/h | |
| Max. pumping speed 60 Hz | 0.5 cfm | |
| Ultimate vacuum | 100 mbar / 75 torr | |
| Number of heads | 1 | |
| Number of stages | 1 | |
| Lower ambient temperature (operation) | 10 °C | |
| Upper ambient temperature (operation) | 40 °C | |
| Lower ambient temperature (storage) | -10 °C | |
| Upper ambient temperature (storage) | 60 °C | |
| Max. back pressure (abs.) | 1.1 bar | |
| Inlet connection | Hose nozzle DN 8-10 mm | |
| Outlet connection | Hose nozzle DN 8-10 mm | |
| Rated motor power | 0.04 kW | |
| Rated motor speed at 50/60 Hz | 1500/1800 min-1 | |
| Protection class IEC 60529 | IP 40 | |
| Dimension L in mm | 270 mm | |
| Dimension B in mm | 121 mm | |
| Dimension H in mm | 154 mm | |
| Weight | 5.4 kg | |
| Noise (sound pressure level) in dBA at 50 Hz or 1500 rpm/62% (VARIO)/1500 rpm (VARIO-SP)/12500 Upm (VACUU·PURE®) | 49 dBA | |
| NRTL certification | Yes | |
| Items supplied | Pump completely mounted, ready for use, with manual. | |
| Rated mains voltage range 1 | 100-115 V | |
| Rated mains voltage range 2 | 120 V | |
| Mains frequency 1 | 50-60 Hz | |
| Mains frequency 2 | 60 Hz |
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