【詳細說明】
TTR 211 PB/D / TTR 216 PB/D
Display range mbar （Torr） 5 x 10-4 to 1000 （3.75 x 10-4 to 750）
Measurement uncertainty 20% in the range 1 x 10-3 to 1 x 10-2 mbar （0.75 x 10-3 to 0.75 x 10-2 Torr）
15% in the range 1 x 10-2 to 30 mbar （0.75 x 10-2 to 22.5 Torr）
Principle of measurement Thermal conductivity acc. to Pirani
Supply voltage 14.5 to 36 V DC, typ. 24 V DC
Ripple voltage < 2 Vpp
Power consumption VA < 2
Storage / nominal temperature range °C -20 to +70 / +10 to +50
Max. rel. humidity （climatic class F） % n.c. 95
Protection class IP 40
Dimensions （H x W x D） mm 106 x 73 x 56
Weight, approx. kg （lbs） 0.29 （0.64）
Inflammability UL 94 - V 2
Sensor Exchangeable sensing cell
Filament Tungsten （TTR 211）/platinum （TTR 216）
Vacuum connection DN 16 KF
Bake out temperature, max °C 80 at the flange
Dead volume, max. cm3 11
Materials in contact with the medium TTR 211:
Aluminum, nickel-plated steel, Vacon, tungsten, CrNi8020, glass, epoxy cement;
TTR 216 S:
Stainless steel, CrNi, Al2O3 ceramics, NiFe, Mo, Ni, platinum
Over-pressure rating, abs. TTR 211: 3 bar, TTR 216: 10 bar
Signal output （Ra ≥10 kΩ） 0 to 10.6 V
Measurement signal 1.9 to 10 V, corresp. 5 x 10-4 to 1 x 103 mbar
logarithmic divisions 1.286 V/decade
Status signal broken filament 10.5 V
Trigger n.o./changeover relay contact
Adjustment range mbar （Torr） 1 x 10-3 to 500 （0.75 to 375）
Hysteresis about 30% of the adjusted pressure
Reaction time ms < 50
Rating 60 V, 0.5 A DC
Error status contact open in case of broken filament or supply off
Status indicators Operation （Power）: Orange LED
Trigger （active）: Green LED
Monitor output （Ra ≥100 kΩ） Jack socket （3.5 mm） at which the measurement signal and the trigger setting is available
Electrical connection FCC-68 socket, 8 way with shield
Cable length, max. m 100
Interface
TTR 211 D / 216 D DeviceNet
TTR 211 PB / 216 PB Profibus DP
