December 1947
INDUSTRIAL
AND E N G I N E E R I N G
89 A
CHEMISTRY
IMMSIimi mm Η Ι Ι Έ Ι Β Μ Μ IHMMSIIIll
PNEUMATIC TRANSMISSION!
RECEIVER
TRANSMITTER FEATURING linear calibration, . . . standard Model 40 air relay and the new Foxboro Model 42 Pneumatic exclusive ball linkage. Transmission System introduces a Transmitters are furnished in a new standard of accuracy in long standard 12" indicating case, illus distance measurement of process trated at the right. Receivers are variables. Transmitter and receiver supplied in indicating or recording elements are made to a master cali models, or the receiver unit may be bration standard, assuring precise used as the primary element in any readings at one or more distant Foxboro air-operated or electricpoints, with perfect interchange- operated Controller. ability of units. The new Foxboro Transmission This new transmission system also System is available for flow, pres features a newly designed reference sure, temperature, liquid level, hu (zero) arrangement which permits midity, etc. For complete details, adjustment of the indicating pointer write The Foxboro Company, 40 without affecting transmitter calibra N e p o n s e t A v e n u e , F o x b o r o , tion . . . large, easy-to-read scales M a s s . , U.S.A.
FOXBORO REG. U. S. PAT. O F F .
The New Foxboro Pneumatic Trans mitter . . . for flow, pressure, tempera ture, liquid level, etc.
Inside view, showing simple construction, complete accessibility of parts.
PNEUMATIC TRANSMISSION
