Vacuubrand MD 1 VARIO-SP User Manual download pdf (Page 26)

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Abbreviations

FPM: Fluoroelastomer

GND: Ground

PE: Polyethylene

PTFE: Polytetrauoroethylene

PWM: Pulse width modulation

Position Component

1 Power connection

2 ON/OFF switch

3 Voltage selection switch

4 Fuse holder

5 Pump rating plate

6 Inlet

7 Outlet

8 Fan

9 Handle (removable) / recessed grip

10 Control line

Pump parts

Gas inlet temperatures

* if pumping potentially explosive atmospheres: 50 °F to 104 °F (+10°C to +40°C)

Operating condition Inlet pressure

Permitted range of gas

temperatures at inlet

Continuous operation

> 75 Torr (100 mbar)

(high gas load)

➨ 50 °F to 104 °F

(+10°C to +40°C)

Continuous operation

< 75 Torr (100 mbar)

(low gas load)

➨ 32 °F to 140 °F*

(0°C to +60°C*)

Short-time

(< 5 minutes)

< 75 Torr (100 mbar)

(low gas load)

➨ 14 °F to 176 °F*

(-10°C to +80°C*)

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Vacuubrand MD 1 VARIO-SP User Manual Page 26