Read TR211_216.pdf text version

Sensors

Series 200 THERMOVAC Sensor

35

135 (144)

133 (122)

Advantages to the User

x Measurement range 5 x 10-4 to 1 000 mbar (3.75 x 10-4 to 750 Torr) x Tungsten or platinum filament x Cost-effective sensing cell x Fully aligned and temperature compensated 0 to 40 °C x Constant filament temperature

TR 211

x Aluminum sensing cell with tungsten filament x Improved temperature compensation

5

20

40

Dimensional drawing for the TR 211, TR 212 and TR 216; TR 211 NPT in brackets

TR 211 NPT/TR 212

x Stainless steel sensing cell with tungsten filament x Overpressure resistant

TR 216

x Stainless steel sensing cell with platinum/ tungsten filament and ceramics feedthrough x Well suited for corrosive processes and water vapour atmospheres

Te c h n i c a l D ata

Measurement range Operating temperature range (compensated) Storage temperature range, max. Filament Filament temperature Permissible overload (abs.), max. Volume of the sensing cell, approx. Vacuum connection Materials in contact with the medium °C bar cm3 DN mbar (Torr) °C °C

TR 211

TR 211 NPT

TR 212

TR 216

5 x 10-4 to 1000 (3.75 x 10-4 to 750) 0 to 40 80 Tungsten 110 3 11 16 KF Aluminum, Vacon, glass, tungsten CrNi 8020, epoxy cement 1/8" NPT 16 KF/CF 16 KF Stainless steel 1.4301 (SS 304), Al2O3-ceramics, CrNi 8020 10 Platinum

Stainless steel, Vacon, glass, tungsten, CrNi 8020, epoxy cement

Operating units

THERMOVAC TM 20, 21, 22 / COMBIVAC CM 31, 32, 33 / PIEZOVAC PV 20

Or d e r i n g I nformation

THERMOVAC sensors Series 200 DN 16 KF DN 16 CF DN 1/8" NPT Replacement sensing cell

TR 211

Part No. 157 85 ­ ­

Part No. 157 75

TR 211 NPT

­ ­ Part No. 896 33

Part No. 896 34

TR 212

Part No. 158 52 Part No. 158 86 ­

Part No. 158 53

TR 216

Part No. 157 87 ­ ­

Part No. 157 77

C16.42

LEYBOLD VACUUM PRODUCTS AND REFERENCE BOOK 2001/2002

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