Floatless Liquid Level Control A low sensitivity electronic floatless level control is designed for use with liquid of low specific resistance. New control will not contaminate products, and is particularly suitable for use in chemical
PURE LATEX TUBING .flexible— .adapfaH 8 '" •easy to «!«•
• RLP Pure Latex Tubing is ideal for temporary or initial set-ups. Because it is so light and flexible it is easy to make adjustments—easy to add or remove an element without disturbing the basic apparatus. RLP tubing is also used for its purity, its smooth, seamless construction and because it can be sterilized and used again and again. Available from your laboratory supplier in 24 standard sizes.
and processing operations. Unit's low electrode potential of 9 volts a.c, combined with electrode current of less than 26 ma., eliminates shock and sparking hazards. Prices on request. Dept. IEC, B/W Controller Corp., 2200 E. Maple Rd., Birmingham, Mich. |-2 Voltage Regulated Power Supply New power supply offers output voltage of 0 to 160 volts at 1 to 4 amperes. Input requirements are 105 to 125 volts a.c, 60V 2 c.p.s.
NEW CRYOGENIC PUMP! For low-temperature pumping of OXYGEN, NITROGEN, ARGON, METHANE. Highly efficient. Stationary or truck mounted. WRITE FOR DETAILS. A M E R I C A N MESSER CHRYSLER BUILDING
CORPORATION
4 0 5 LEXINGTON AVENUE
Circle No. 26 on Readers' Service Card 92 A
INDUSTRIAL AND ENGINEERING CHEMISTRY
NEW YORK, N.Y.
Instruments cost $505 to $905 for metered models. Dept. IEC, Kepco, Inc., 131-38 Sanford Ave., Flushing 55, N. Y. |-3 Industrial Metal Detector Detection of metal chips and particles is possible with a new metal detector which is sensitive to both (Continued on page 94 A)