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Articles Tagged with ''constant''

Power supply: B&K Precision

B&K Precision launched its latest multi-range DC power supply, the model 9111, expanding its 9110 multi-range supply offering. With constant voltage (CV) and constant current (CC) modes, the 9111 automatically recalculates voltage and current limits for each setting to deliver any combination of its 60 V/8 A output range within 180 W. The new DC power supply is suitable for a wide variety of uses in electronics manufacturing, service and repair, and engineering labs.


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Ventilation controls – Greenheck

A selection of Vari-Green® controls is available from Greenheck. The controls maximize the energy efficiency of ventilation systems in a variety of applications when used in conjunction with Greenheck’s Vari-Green motor.


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Check out highlights from projects featured in our magazine this year!
5/13/15 11:00 am EDT

When's & Why's of Fuel Options and Selection for Backup Power

ON DEMAND This presentation will bring listeners up to speed on what the best options are today and in the near future. 

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2015 May

Check out the May issue of ES with the cover story: VRF with Heat Recovery Ventilation In PreK-12 Schools.

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