August, 2015
www.us-
tech.com
Page 67 Hemco: Enclosures for Lab Automated Processes
Independence, MO — HEMCO EnviroMax Enclosures are engineered to isolate lab automa- tion instrumentation and processes that include liquid handling, powder and sample weighing, and high throughput screening. They are available in
ventilation equipment, and safety components. UniMax floor mounted (walk-in) fume hood series has been expanded to include a wide selection of models that have fire suppression systems to meet all California requirements. Standard models range from 6 to 24-ft. wide
(1.8 to 7.3m), 4 to 8-ft. deep (1.2 to 2.4m), and 7 to 16-ft. high (2.1 to 10.3m). Tall apparatus/distilla- tion processes, roll-in reactors, or long integrated instrumentation systems can be easily accommo- dated in these hoods.
The Floor Mount Hoods are constructed of
chemical resistant, non-conductive modular panels with composite resin surface material. This modu- lar design allows for onsite assembly and the abil- ity to disassemble at a later date, move and reassemble. Custom sizes and designs can also be
Road, Independence, MO 64056 % 800-779-4362 or 816-796-2900 E-mail:
info@hemcocorp.com Web:
www.hemcocorp.com
designed and built to exact specifications. Contact: Hemco Corporation, 711 S. Powell
New Buck Converter from Diodes Incorporated
UniMax floor mounted (walk-in) fume hood.
standard sizes or can be fabricated to meet the cus- tomer’s exact size or design specification. The enclosures can have either a vented
exhaust system to protect the user or HEPA fil- tered supply system for clean workstation require- ments to protect the process. The Bio-Enclosure has HEPA filtered clean
supply to protect the process and also a front face velocity to protect the user. The enclosures can be built unitized or modu-
lar depending on whether the enclosure needs to be disassembled. Access can be from any or all sides in glass, acrylic or polycarbonate either hori- zontal sliding, vertical sliding, or hinged. A wide selection of accessories is available such as work- surfaces, tables, electrical and plumbing services,
Plano, TX — Achieving typical efficiencies greater than 95 percent, the miniature AP3403 step-down DC-DC converter from Diodes Incorporated helps lengthen the battery lifetime of smartphones and other low-voltage portable products. This convert- er is a synchronous PWM device that drives a load at up to 600mA, with high efficiency maintained through a configuration of external resistor, capac- itor and inductor components. To support mini Li-Ion battery operation, the
input voltage range is low at 2.7V to 5V, with no- load current being only 34µA. The buck converter ensures excellent line and load regulation and employs current mode control to deliver fastest possible transient response and cycle-by-cycle cur- rent limit. By operating at a ripple-reducing fixed 2MHz,
the AP3403 is able to help reduce the cost and size of external circuit components, while its ultra- small, thermally efficient U-DFN1616 package fur- ther aids a reduction in overall circuit footprint. The converter’s output voltage range of 0.7V
to 5.5V makes it easily configurable to application requirements.
System integrity is maintained by a compre- hensive array of built-in features that include
Buck converter.
under-voltage lockout, over-temperature protec- tion, hiccup mode short-circuit protection, and soft-
Suite 200, Plano, TX 75024 % 972-987-3900 fax: 972-731-3510 E-mail:
inquiries@diodes.com Web:
www.diodes.com
start functionality. Contact: Diodes Inc., 4949 Hedgcoxe Road,
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