Technical data, See „technical data“, pg. 12) is not exceeded, And gas temperatures (see „technical data“, pg – VACUUBRAND VNC 2 E User Manual

Page 12: 12, especially, Technical data“, pg. 12, See „technical data“, pg. 12)

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Documents are only to be used and distributed completely and unchanged. It is strictly the users´ responsibility to check carefully

the validity of this document with respect to his product. Manual-no.: 999199 / 28/11/2012

page 12 of 41

Technical data

We reserve the right for technical modifications without prior notice!

Controller

VNC 2 E

Pressure transducer

capacitive, absolute pressure transducer made of

aluminium oxide ceramics, independent of gas type

Display

alphanumeric LCD display, illuminated

2 x 8 characters

Pressure units / scale (selectable)

mbar, Torr or hPa

Measuring range (absolute)

1100 mbar - 1 mbar (825 Torr - 1 Torr)

Maximum range of pressure control (absolute)*

1060 mbar – 1 mbar (795 Torr – 1 Torr)

Maximum permissible pressure at pressure

transducer (absolute)

1.5 bar (1125 Torr)

Measurement uncertainty (absolute) after careful

adjustment and at constant temperature

<

±1 mbar (0.75 Torr) ±1 digit

Temperature coefficient

<

± 0.07 mbar/K (0.05 Torr/K)

Ambient temperature range (operation)

10°C to +40°C

Ambient temperature range (storage)

-10°C to +70°C

Permissible relative atmospheric moisture during

operation (no condensation)

30% to 85%

Maximum permissible temperature of gaseous

media at pressure transducer

continuous operation: 40°C**

for short periods up to 80°C**

Max. permissible range of supply voltage

100 V~ (-10%) to 230 V~ (+10%) 50/60 Hz

Fuse (IEC connection)

5x20 mm, T 8 A / 250 V

Power draw (no-load operation)

3 VA

Power draw with VACUUBRAND VV-B 6C in-line

valve and coolant valve VKW-B

max. 10 VA (without switch output)

Serial interface

RS 232 C

Supply line VACU•UBUS

voltage supply 110-230 V 50/60 Hz

voltage supply 100-110 V 50/60 Hz

24 V, max. 400 mA

24 V, max. 340 mA

designed for the simultaneous operation (parallel

connection) with the following original accesso-

ries:

one in-line valve VV-B 6C 24V=

one coolant valve VKW-B 24 V=

one venting valve VB M-B 24 V=

Breaking capacity of IEC socket***

ambient temperature 30°C

ambient temperature 40°C

7.2(4) A 250 V~ / 7.2(7.2) A 125 V~

6(4) A 250 V~ / 6(6) A 125 V~

* The actual available range of the vacuum control can be limited due to the ultimate vacuum of the

pump, the developed amount of gas, etc.

** if pumping potentially explosive atmospheres: +10°C to +40°C

*** ohm resistive (inductive) load

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