莱宝真空显示器DISPLAY ONE

Technical Data IONIVAC Transmitter ITR 200 S

Display range mbar （Torr） 5 x 10-10 to 1000 （3.75 x 10-10 to 750）

Measurement uncertainty, 10-8 - 10-2 mbar 15% of the meas. value

Reproducibility, 10-8 - 10-2 mbar 5% of the meas. value

Principles of measurement Hot cathode ionization according to Bayard-Alpert

combined with thermal conductivity according to Pirani

Degas Electron bombardment 3 minutes, max.

Supply voltage 20 to 28 V DC, typ. 24 V DC

Power consumption, max. W 16

Storage / nominal temperature range °C -20 to +70 / 0 to +50

Protection class IP 30

Weight, approx.
ITR 90, DN 25 KF kg （lbs） 0.285 （0.64）

ITR 90, DN 40 CF kg （lbs） 0.550 （1.24）

Sensor Fully sealed, exchangeable

Bake out temperature, max. °C 150 1）

Dead volume, max. cm3 24 at DN 25 KF

34 at DN 40 CF

Materials in contact with the medium Cu, W, Glas, NiFe, Mo, stainless steel, Aluminum, Iridium, Yttrium, NiCr,

Over-pressure rating （abs.） bar 2

Signal output （Ra ≥10 kΩ）
Measurement signal 0 - 10 V, 0.774 - 10 V, 0.75 V pro decade

Error signal < 0,5 V

Interface （standard / optional） RS 232 C / Profibus or DeviceNet

Switching function
Standard 1 normally open contact

Profibus or DeviceNet 2 normally open contacts

Electrical connection 15 way Sub-D male connector / pin contacts

Cable length, max. m 100 / 30 at RS 232 C