Photon counting D D Π Π D
Stable Sensitive Digital Sophisticated Simple Λ / Α Ι Ι the above
NIM Photon Counting The Ortec 9300 Series of instruments offers you a modular approach to photon counting. From the simplest ratemeter system to the most sophisti cated boxcar and lock-in applications, Ortec's modular approach lets you configure the system you actually need, and then permits you to modify or expand your system as your needs change.
Quantum Photometer The new Ortec 9511 Quantum Photometer is a complete light-measuring system offering photon-counting and electrometer facilities in a single instrument. Pushbutton selection allows the user to measure from 10 to 106 photons per second or 10nAto 1mA. The 9511 comes complete with its own photomultiplier housing, and is at home in any light-measuring application.
For additional information, write Life Sciences Di vision, Ortec Incorporated, 110 Midland Road, Oak Ridge, TN 37830; phone (615) 482-4411. World wide sales and service.
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1064A · ANALYTICAL CHEMISTRY, VOL. 47, NO. 12, OCTOBER 1975
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