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www.us- tech.com


May, 2019 BTU Showcases Advanced Reflow Technologies


North Billerica, MA — BTU Inter national is show- casing its new Aqua Scrub flux management tech- nology and Profile Guardian redundant monitor- ing system, along with a PYRAMAX™ 100A con- vection reflow oven at SMTconnect 2019. Aqua Scrub Technology is BTU’s next-genera-


tion solder reflow flux management system. The patent-pending design uses an aqueous-based scrub- ber technology compatible with most known paste and flux types. The flux and solution are automatically con-


tained and packaged for disposal. The Aqua Scrub is designed to decrease operational cost by four times over traditional condensation systems. Profile Guardian pairs a thermocouple probe at


product height with software to monitor temperature deviation from baseline, independent from control TCs. Monitor data is fully integrated with host com- munications (MES) from the oven.


Proper Selection of HMI


PYRAMAX™ 100A convection reflow oven.


Additionally, it provides board-level traceability when paired with barcode readers, which is a requirement for many large OEM/EMS customers. The PYRAMAX 100A has 100 in. (2.5m) of


heated length and eight zones, 662°F (350°C) max- imum temperature, flexible platform configura- tion, low power consumption, and a comprehensive menu of options. In addition, the PYRAMAX includes BTU’s proprietary WINCON™ control system. WINCON provides a simplified user inter- face and powerful analytic capabilities. Contact: BTU International, Inc.,


23 Esquire Road, North Billerica, MA 01862 % 978-667-4111 fax: 978-667-9068 Web: www.btu.com


See at NEPCON China, Booth 1E50, and at SMTconnect, Hall 4 Booth 551


Components... Continued from previous page


PCB and panel-mount applications. Generally, as switch size decreases, so does its electrical rating. Common panel cut-outs for mounting include 0.24, 0.31, 0.63, 0.89, and 1.2 in. (6, 8, 16, 22.5, and 30.5 mm) diameters. Some panel-mount switches are designed to project above the panel surface, with others for flush or even sub-panel mounting. Where space behind a panel is limited, several switch styles are available with small behind-panel depth. PCB switches typically come in straight pin through-board mounting and SMD types.


Environmental Sealing Where switch controls will be


used determines the degree of envi- ronmental protection required. Clean, indoor environments not sub- ject to rigorous cleaning, such as operator control rooms, generally do not need protected switchgear. Industrial,


commercial, and


indoor/outdoor public access, are con- siderably more challenging, which expose switches to oil, solvents, chemicals, cleaning solutions, water, and dust. For these conditions, rugged sealed switches are needed. With medical equipment, anti-micro- bial properties are often required to resist the development of harmful bacteria. Many switches conform to


ingress protection (IP) codes, such as IP40, which protects from granular material, but not from water, while IP69K offers the ability to resist ingress of high-temperature and high-pressure water. Because of the great flexibility


of modular switch designs, cus- tomization is easily achieved through the specification of lens colors, mate- rials and shapes, illumination types and colors, bezel materials, actua- tors, and switching elements for a broad variety of switching configura- tions. Contact: EAO Corp., One


Parrott Drive, Shelton, CT 06484 % 203-951-4600 fax: 203-951-4601 E-mail: sales.eus@eao.com Web: www.eao.com r


See at EDS, St. Croix B See at SMTconnect, Hall 4 Booth 231


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