September, 2018
www.us-tech.com
Page 117 TDK Releases Range of Modular Power Supplies
National City, CA — TDK Corpor - ation has introduced its QM8 modu- lar power supplies, rated for 1,200 to 1,500W. These models are available with up to 18 outputs, have full MoPPs (means of patient protection), isolation and low acoustic noise. With medical and industrial safety certifications, the power supplies are suitable for use in medical, test and measurement, communications, and broadcast equipment. Accepting 90 to 264 VAC, 47 to
440 Hz input, the QM8 can deliver 1,200W at low line and 1,500W with a high line 150 to 264 VAC input. With its modular construction, the
HEMCO Offers Broad Line of Lab Fume Hoods
Independence, MO — HEMCO is now offering a complete line of low-flow, high-performance fume hoods. UniFlow AireStream fume hoods have a composite resin construction that is resistant to chemicals, flame retardant, lightweight, and meets UL 1805, SEFA 1, ASHRAE 110, and ANSI Z9.5 standards. The hoods have a molded, one-
piece, seamless, composite resin inte- rior fume chamber, which has coved corners and is white to reflect light. Available in sizes from 2.5 to 8 ft (0.76 to 2.4m) wide and in depths of 2 to 4 ft (0.6 to 1.2m), and in CAV (air
series can be configured using a sim- ple o-line configurator to provide 1 to 18 independently regulated outputs and include individual output good signal and remote on/off functions. Module output voltages range
from 2.8 to 105.6V and output power levels from 300 to 1,200W. A further subset of option modules provides an AC fail signal, standby voltages (up to 12V, up to 2A), global remote on/off and PMBus™ communications. Over - all case dimensions for the QM8 are 7.9 x 2.5 x 10.6 in. (20 x 6.3 x 27 cm). The QM8 will operate in ambi-
ent temperatures of –4 to +158°F (–20 to +70°C), with output power and output current linearly derating above 122°F (50°C) to 50 percent at
158°F (70°C). With efficiencies of up to 91 percent, less internal heat is generated allowing the use of low- speed cooling fans to reduce audible noise. A lower airflow speed also sig- nificantly reduces the ingress of dirt and other contaminants. All models in the QM series have a standard seven-year warranty. The power supply has 4,000
VAC (2x MoPPs) input-to-output, 1,500 VAC (1x MoPP) input-to-ground and 1,500 VAC (1x MoPP) output-to- ground isolation. All models are certi- fied to the IEC, EN, UL, CSA 60601- 1, ANSI, AAMI ES 60601-1, and IEC/EN/UL/CSA 60950-1 safety stan- dards. The QM series is also designed to meet IEC/EN61010-1 with CE
marking for the low voltage, EMC and RoHS2 directives. Ground leakage current is less than 300 µA, and the power supplies comply with EN - 61000-6-3:2007 and EN60601-1- 2:2015 (curve B conducted and radiat- ed) emission standards. The units also meet the
EN60601-1-2 and EN61000-6-2 im - munity standards and are designed and manufactured under the control of ISO 9001 and ISO 13485 (includ-
ing risk management). Contact: TDK-Lambda
Americas, Inc., 401 Mile of Cars Way, Suite 325, National City, CA 91950 % 619-575-4400 E-mail:
tom.tillman@us.tdk-lambda.com Web:
www.us.tdk-lambda.com
UniFlow AireStream fume hoods.
bypass) or VAV (restricted bypass) models. A wide selection of acces- sories and services are available to meet exact user requirements. Other HEMCO UniFlow fume
hoods are engineered and built for specialty applications that include: perchloric acid, which has either a type 316 stainless steel or PVC weld- ed, one-piece interior fume chamber, including work surface and rear drain trough; acid digestion, which has an HDPE welded, one-piece inte- rior fume chamber, including work surface and optional rear drain trough; radioisotope, which has a type 304 stainless steel welded, one- piece interior fume chamber includ- ing work surface; and trace metals, which has a polypropylene welded, one-piece interior fume chamber, including the work surface. Each of these fume hoods still
has the composite resin exterior super- structure, in lieu of traditional painted steel. Support base cabinets, heavy- duty tables and epoxy resin, phenolic resin, or stainless steel, dished work surfaces are offered to complete the
UniFlow fume hood installation. Contact: HEMCO Corp., 711
Powell Road, Independence, MO 64056 % 800-779-4362 E-mail:
info@hemcocorp.com Web:
www.hemcocorp.com
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