B&K Precision is offering three new models of its high power programmable DC power supplies, models PVS10005, PVS60085, and PVS60085MR. The new PVS Series delivers output power up to 5.1 kW. The company says they deliver excellent regulation, low noise, and fast transient response times. All models provide a built-in solar array simulator (SAS) function to generate photovoltaic I-V curves. Offering high-power density in a compact 2U form factor, these DC power supplies are suitable for high voltage testing up to 1000 V, motor inverter testing, and solar array testing applications.
Greenheck has expanded its line of mixed flow inline fans with the addition of Model EQB. According to Greenheck, the fan combines the best properties of centrifugal and vane axial fans while providing higher efficiency and lower sound levels. Model EQB’s octagonal housing is manufactured of formed galvanized steel panels coupled with a heavy-gauge steel drive frame for and durability.
Two new models of duct heaters are now available from Greenheck. Model IDHB is configurable for most applications in sizes up to 36 in by 36 in. Model IDHC is customizable with enhanced features and a maximum heating capacity of 475 Kw.
Carrier’s WeatherExpert™ Series now includes six new models from 75- to 150-tons, for a total model line-up ranging from 3- to 150-ton units. The WeatherExpert line boasts Integrated Energy Efficiency Ratio ratings up to 21.0 that exceed the Consortium of Energy Efficiency tier II criteria, which many utilities use for rebates.
TSI Inc. has introduced an expanded capability line of Hydronic Manometers. Models HM675 and HM685 can be used for balancing commercial hydronic heating and cooling systems, checking pump performance, and setting balancing valves.
Bosch is offering two new models of condensing gas-fired tankless water heaters for domestic hot water on demand applications. The Greentherm C 1050 ES and C 950 ES are both Energy Star® rated models featuring condensing technology for up to 10% improved energy efficiency over non-condensing models, with an energy factor up to 0.94.