PTR 225 / PTR 225 S PTR 237 - Schoonover, Inc.

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2 Operation 2.1 Installation of the PTR 225 / PTR 225 S / PTR 237 Please check by referring to the technical data whether or not your transmitter is suitable for your application. The PENNING transmitters PTR 225, PTR 225 S or PTR 237 should preferably be mounted flange down. Inclined installation is possible but the horizontal orientation must not be exceeded. Flange up installation is not permissible because under such circumstances condensate may collect in the PTR 225, PTR 225 S or PTR 237. This will either adversely affect the measurements, or the sensor itself may possibly be damaged. The PENNING transmitter is equipped with a DN 25 KF or a DN 40 CF connection flange which is used to connect the transmitter to the mating connection flange on a vacuum system with the aid of a centering ring and a clamping ring. In the PTR 225, PTR 225 S or PTR 237 the cathode plate (7/5) also acts as a baffle. For the dimensional drawing, see Fig. 1. 8 GA 09.308/4.02 - 05/97 8
73 80 POWER READY 114 126 4 12 DN 25 KF Fig. 1 Dimensional drawing for PTR 225 and PTR 225 S GA 09.308/4.02 - 05/97 9 9
Page 1 and 2: Vacuum Pumps Instrumentation Fittin
Page 3 and 4: 1 Description 1.1 General The PENNI
Page 5 and 6: Status displays Operation (POWER) R
Page 7: 0.66 V to 10 V. Moreover, the high
Page 11 and 12: + 10,5 V High tension switchover 2,
Page 13 and 14: 2.2.3 Measurement Signal Output The
Page 15 and 16: 2.2.7 Monitor Output The monitor ou
Page 17 and 18: 2.3.2 Measurement System Status Ind
Page 19 and 20: 3 Maintenance 3.1 LEYBOLD Service I
Page 21 and 22: In the case of severe contamination
Page 23 and 24: Characteristic PTR 225 / PTR 225 S
Page 25 and 26: 1 TTR 211 S 3 5 0...10 V 2 1 PTR 22
Page 27 and 28: This page has been left blank for y

PTR 225 / PTR 225 S PTR 237 - Schoonover, Inc.

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