NEW EQUIPMENT AND MATERIALS range from 1 to 1 Χ 10 -8 mm. Hg. T h e control provides readings from one ionization and two thermocou ple gages which offers reliability and precision suitable for labora tory and production floor installa tions. Dept. IEC, NRC Equip ment Corp., 160 Charlemont St., Newton Highlands 61, Mass. 39
INSTRUMENTS
Fluid Level Control Systems Fluid level control systems have two phases of application. They can minimize fill time and provide positive maintenance of flow. Sys tems can be used with cryogenics and oxidizers in addition to high energy and standard t y p e fuels. Dept. IEC, Kohler Aircraft Prod ucts Co., 409 Leo St., Dayton, Ohio
Pressure Controls
36
Continuous Flash Point Recorder
Relative size of shown here
new thermistors is
This continuous flash, point re corder will take a sample automat ically from a stream to which it is piped, run a flash test on it, and re cord the result. Operation is re peated approximately at 3 minute intervals. Dept. IEC, Precision Scientific Co., 8737 West Cortland St., Chicago 47, III. 37
thermistors has been announced. These tiny contactless thermal switches were designed as overtemperature protection on hermetic motors. Wider application can be expected. Dept. IEC, Westinghouse Electric Corp., Box 2278, Pittsburgh 30, Pa. 38
Thermistors
High Vacuum Thermocouple
Development of a new class of positive temperature coefficient
New high vacuum gage control, N R C Model 710-B, covers the
For steam pressure reducing serv ice, a modest investment in auto matic controls pays off big. A cus tom designed system will result in savings in steam consumption, eliminate maintenance problems, and simplify day-to-day opera tions. Dept. IEC,. U. S. Gauge, Division of American Machine and Metals, Inc., Sellersville, Pa. 40
Gas Chromatography New gas chromatography unit has been introduced. Chromacon Series 9580 features interchangeability of detectors, proportional
POINTERS to PROFITABLE SCALING
SCHAFFER POIDOMETER PROPORTIONS · BLENDS ·
RECORDS MIXES ·
· WEIGHS FEEDS ACCURATE
HIGH-SPEED
DURABLE
AUTOMATIC
The experience of bulk material handlers everywhere points out the advantages of this all 'round scaling machine. The Poidometer provides the latest type of equipment for supplying valuable weight-data with speed, precision and economy. It's easy to install and o p e r a t e . . .durably-built for long, reliable service under all working conditions. . . promotes product uniformity and continuous output. Poidometers are available with total weight recorders, and remote control devices for showing and changing feed rate.
Over 1 5 0 0 NOW
SERVING
INDUSTRY
WRITE FOR
CATALOG NO. 3-A.
SCHAFFER POIDOMETER CO. 102 A
INDUSTRIAL A N D ENGINEERING CHEMISTRY
2828 Smallmon St. Pittsburgh 22, Pa.
Gas chromatography unit shows flexi bility
control, recorder, and two columns. Unit is easily transportable. Dept. IEC, Podbieiniak Inc., 341 East Ohio St., Chicago 11, III. 41
Absolute Pressure Transmitter Standard product consists of two Bourdon tubes mounted in a semidust-tight case. One tube is evacuated and sealed to an absolute reference pressure and the other opens to line pressure. Differential transformers and temperature-com pensating thermistors permit meas-
