AT LAST! A PORTABLE VACUUM CARRIER
FOB
THE AREA UNDER M CURVE I I I ! Ml 111 MM 11III
Daystrom ATTEN-U-MATIC iniegrator Handles Signals from ι Millivolt to a Full volt Without Adjustment... The new Daystrom ATTEN-U-MATIC™ Integrator offers an extended capability to the chromatographer or spectroscopist. It automatically adjusts to changes in signal level through a
Just ONE of α COMPLETE LINE of PORTABLE SYSTEMS from PENN-CHEM including:
built-in attenuator and control unit. As a result, inputs from a millivolt to a full volt are a c c e p t e d and integrals c o m p u t e d
• Portable Vacuum Assembly Carrier [Illustrated—Model V-2000 R)
without need for adjustment. The read, reset, hold, and integrate functions are carried out automatically, without the presence of an operator, though they can also be operated manually when desired. The Daystrom ATTEN-U-MATIC™ Integrator is designed to accompany the Daystrom Model 6708 two-pen crossover recorder for instantaneous display of both chromatogram and integral, or the Daystrom M o d e l 6701 single-pen recorder for making both graphic displays on a single trace (integral presented as bar graph). " P i p p i n g " pen used for full-scale count accumulation. The Integrator is supplied with cabling and adapter kits for use with other strip chart recorders as well. Further features of the ATTEN-U-MATIC™ Integrator include sensitivity equivalent to 420,000 counts per minute, adjustable threshold setting, and the capability for remote operation. S e n d for details on this unique instrument!
DAYSTROM,
INCORPORATED
• • • • •
A l l Purpose Carriers Portable Lab Racks Portable Towers Cantilever Carriers Glassware Carriers
These hardworking carriers put virtually every laboratory operation ON WHEELS. VERSATILE? Sets up for scores of uses . . . • Vacuum Pumps & Accessories • Distillation Columns & Accessories • Column Chromatographic Equipment • Gas Analysis Apparatus • Reaction Set-ups • Filtration Equipment, etc. For catalog and prices contact your laboratory supply dealer or write Dept. C - 1 2 .
INDUSTRIAL INSTRUMENTS ARCHIBALD,
PENNSYLVANIA
Penn-Chem
Corporation
232-238 Ν. MARSHALL STREET LANCASTER, PENNSYLVANIA Circle No. 212 on Readers' Service Card 128
A
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ANALYTICAL CHEMISTRY
Circle No. 94 on Readers' Service Card
