PTR 225 / PTR 225 S / PTR 237德國萊寶真空計 PTR 225 / PTR 225 S / PTR 237的詳細(xì)資料: |
Technical Data PENNINGVAC Transmitter PTR 225 / PTR 225 S / PTR 237 Display range mbar (Torr) 1 x 10-9 to 1 x 10-2 (0.75 x 10-9 to 0.75 x 10-2) Measurement uncertainty 30% in the range 1 x 10-8 to 1 x 10-4 mbar Principle of measurement Cold cathode ionization according to Penning Supply voltage 14.5 to 36 V DC typ. 24 V DC Power consumption VA < 2 Storage temperature range °C -20 to +70 Nominal temperature range °C +10 to +50 Max. rel. humidity Protection class IP 40 Dimensions (H x W x D) mm 125 x 80 x 73 Weight, approx. kg (lbs) 0.5 (1.1) Inflammability UL 94 - V 2 Sensor Detachable for cleaning Vacuum connection DN 25 KF or 40 CF Degassing temperature, max. °C 250 with electronics detached Dead volume, max. cm3 21 Materials in contact with the medium Stainless steel, CrNi, Al2O3 ceramics, NiFe, Mo, Cu, Ni, titanium Over-pressure rating (abs.) bar 10 Signal output (Ra ≥10 kΩ) 0 to 10.6 V logarithm. divisions 1.333 V/decade Trigger (PTR 225 S) Changeover relay contact Hysteresis About 30% of the adjusted pressure High voltage control input ON: At U < 2.9 V, or U > 12 V Status output Voltage level Status indicators Operation: Orange LED Monitor output (Ra ≥100 kΩ) Jack socket (3.5 mm) Electrical connection FCC-68 socket, 8 way with shield Cable length, max. m 100 Interface |