VACUUBRAND PC 620 NT plastic housing - Manual (Page 28)

page 28 of 113
We reserve the right for technical modification without prior notice!
Controller CVC 3000
Pressure transducer
ceramic diaphragm (alumina),
capacitive, absolute pressure,
gas type independent
Display LCD graphic display, illuminated
Pressure units / scale (selectable) Torr, mbar or hPa
Measuring range (absolute) 810 - 0.1 Torr (1080 - 0.1 mbar)
Maximum control range (absolute)* 795 - 0.1 Torr (1060 - 0.1 mbar)
Resolution 0.07 Torr (0.1 mbar)
Maximum permissible pressure at pres-
sure transducer (absolute)
1125 Torr (1.5 bar)
Maximum permissible temperature of
gaseous media**
continuous operation: 104°F (40°C),
for short periods (less than 5 minutes)
up to 176°F (80°C)
Measurement uncertainty (absolute)
after careful adjustment and at constant
temperature
< ± 0.75 Torr (1 mbar)
Temperature coefficient < ± 0.05 Torr/K (0.07 mbar/K)
Ambient temperature range (operation) 50°F to 104°F (10°C to +40°C)
Ambient temperature range (storage) 14°F to 158°F (-10°C to +70°C)
Permissible relative atmospheric mois-
ture during operation (no condensation)
30% to 85%
Maximum permitted current of connect-
ed valves (connected components)
4A
Degree of protection IEC 529
(front side)
IP 42
Venting connection hose nozzle for hose I.D. 3/16“ (4-5 mm)
Maximum admissible pressure at
venting connection
17.4 psi (1.2 bar) absolute
Interface RS-232 C
* The actual vacuum control range in your application might be reduced due to ultimate vacuum
of the pump, volume of gas present, etc.
** if pumping potentially explosive atmospheres: 50 °F to 104 °F (+10°C to +40°C)