Vacuum Systems and Components
Vacuum Process Engineering
Equipment for Scientific and Technical Education
LH
LEYBOLD-HERAEUS Will it really produce "visible" gas within one second? And what else? What additional benefits is it offering? Perhaps a nondispersive photometer technique? Or a true twin channel design? Compatibility with IR, VIS and UV optics? A chopper frequency of 215 Hz? Disturbance-proof C-MOS electronics? If yours cannot match these features you should take a second look at it. How is, for example, the stability of measurements or the vibration-proofness? Under any environmental conditions - be it in the R & D lab, in the field when used for on-line process control or when taking measurements on different locations using portable equipment? Any problems with yours? Will it measure gas compositions simultane-
What is Yours Doing in: IR-VIS-UV?
LEYBOLD-HERAEUS GMBH ously and independently from each other using one common reference unit? It will not? Does it have digital display also? By the way, we forgot to mention: We are just comparing your present gas analyzer with our BINOS®/IR-VIS-UV. In case yours does not come out too good in this comparison you should get the latest information about BINOS®/IR-VIS-UV. It's yours for the asking! LEYBOLD-HERAEUS GMBH, POB 1555, D-6450 Hanau, Tel.: 6181/364-599/666/659 USA and Canada: TEKMAR, POB 37202, Cincinnati, Ohio 45237, USA Call toll free: 800-543-4461 In Ohio, call collect: 513-761-0633
CIRCLE 188 ON READER SERVICE CARD
308 A · ANALYTICAL CHEMISTRY, VOL. 55, NO. 2, FEBRUARY 1983
43-01.82.2
