This one-stage diaphragm pump works as a vacuum generator and as well as a compressor. All parts in contact with pumped media are made of aluminum and selected plastics (PTFE diaphragms and valves). They enable a wide range of applications for non-corrosive gases. The inlet and outlet connections of the ME 4R NT are equipped with regulator valves for vacuum and overpressure, respectively. Both the compression pressure and vacuum level can be adjusted. Inlet vacuum level and outlet pressure are indicated by manometers.
| Weight | 11.5 kg |
| Manufacturer | BRAND (BrandTech Scientific) |
| Items supplied | Pump completely mounted, ready for use, with manual. |
| Vacuum controller | Manometer |
| Protection class IEC 60529 | IP 40 |
| Upper ambient temperature (operation) | 40 °C |
| Lower ambient temperature (operation) | 10 °C |
| Dimension B in mm | 268 mm |
| Max. pumping speed 50 Hz | 3.8 m 3 /h |
| Max. pumping speed 60 Hz | 2.5 cfm |
| Ultimate vacuum | 100 mbar / 75 torr |
| Number of heads | 2 |
| Number of stages | 1 |
| Lower ambient temperature (storage) | -10 °C |
| Upper ambient temperature (storage) | 60 °C |
| Max. back pressure (abs.) | 4 bar |
| Inlet connection | Hose nozzle DN 8-10 mm |
| Outlet connection | Hose nozzle DN 8-10 mm |
| Rated motor power | 0.18 kW |
| Rated motor speed at 50/60 Hz | 1500/1800 min -1 |
| Dimension L in mm | 254 mm |
| Dimension H in mm | 290 mm |
| Noise (sound pressure level) in dBA at 50 Hz or 1500 rpm/62% (VARIO)/1500 rpm (VARIO-SP)/12500 Upm (VACUU·PURE®) | 45 dBA |
| NRTL certification | Yes |
| Rated mains voltage range 1 | 230 V |
| Mains frequency 1 | 50-60 Hz |