Technical Data                                                                     CENTER ONE

Number of measurement channels                                                              1

Display for measured values                                                  digital, 7 segment LED, 5 digits

Display range                      mbar (Torr)                           1 x 10-10 to 2000 (0.75 x 10-10 to 1500)

Unit of measurement (selectable)                                                mbar, Torr, Pascal, Micron

Gas type correction                                                                 factor adjustable

Sensor connection                                                         15 way Sub-D socket FCC68 (RJ45)

Sensor power supply                      V DC                                              24

Electrical inputs and outputs                                                      9 way Sub-D plug

Switching threshold
   Number                                                                                   1
   Adjustment range                                                                sensor dependent
   Hysteresis                                                                          adjustable
   Relay contact                                                               floating changeover contact
   Load rating                                                              60 V, 0.5 A DC / 30 V, 0.5 A AC

Error message
   Relay contact                                                             floating normally open contact
   Load rating                                                              60 V, 0.5 A DC / 30 V, 0.5 A AC

Chart recorder output (Ra   ≥10 kΩ)                                     0 - 10 Volt, characteristic corresponds to
                                                                                the connected transmitter

Control input                                                                     PTR: high voltage on
                                                                                  ITR 100: emission on

Interface RS 232 C                                                                9 way Sub-D socket

Mains connection                    V AC / Hz                                      85 V - 264 / 50-60

Power consumption                           W                                             < 30

Weight                                 kg (lbs)                                        0.85 (1.9)

Protection class                            IP                                             30

Ordering Information                                                               CENTER ONE

EURO version with 2 m EURO mains cord                                              Part No. 230 002
US version with 2 m US mains cord                                                  Part No. 235 002

THERMOVAC, PENNINGVAC, CERAVAC
and IONIVAC transmitters                                                      see section “Active Sensors”

Connection cables for
  THERMOVAC and PENNINGVAC (Type A),
  CERAVAC (Type B analog, Type C digital)
  and IONIVAC (Type C)                                             see section “Connection Cables for Active Sensors”

Adapter panel
for installation in a 3 HU, 19 in. rack                                            Part No. 230 005

Screw terminal
for the 9 way output socket                                                        Part No. 230 006