Buchi Vacuum Controller V-855 Instrukcja Użytkownika Pobierz pdf (Strona 14)

3 Technical data

14 V-850/855 Operation Manual, Version E

3.2 Technical data overview

Technical data

Vacuum Controller V-850/855

Dimensions casing ( W×H×D) 160×115×120 mm

Weight 700 g

Power supply 30 VDC from RJ-45 connector when using Controller

with a Rotavapor R-210/215 or Vacuum Pump V-700/710

or from the power pack for stand-alone versions.

Frequency 50/60 Hz

Power consumption 10 W

Interfaces USB (data transmission), RS 232/RS 485 (communica-

tion), remote control, cooling water valve, Switch Box,

vacuum valve

Environmental conditions For indoor use only 10-40 °C, up to 2000 m, maximum

relative humidity 80 % for temperatures up to 31 °C, and

then linearly decreasing to 50 % at 40 °C

Magnetic valve supply 24 V

Vacuum connection GL-14

Measuring principle Capacitive

Measuring range 1400–0 mbar

Control range 1100–1 mbar

Accuracy ±2 mbar (±1 digit) following alignment at constant

temperature

Temperature response 0.07 mbar/K

-1

Display range 0–1400 mbar

Hysteresis Automatic or 1–500 mbar

Installation category II

Pollution degree 2

Conformity CSA/CE

Noise level < 70 dB

3.3 Materials used

Materials used

Component Material designation

Pressure foil Polyester

Casing PBT

Diaphragm (aeration valve) FFKM

Aeration valve PEEK

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Buchi Vacuum Controller V-855 Instrukcja Użytkownika Strona 14