Para Systems Inc. has released the Minuteman Entrust LCD Series of UPSs. The company says this new line of uninterruptible power supplies (UPSs) offers complete power protection designed to protect valuable equipment.
Extech Instruments has unveiled the new RD300, a heated diode refrigerant leak detector that pinpoints leaks of all CFC, HCFC, and HFC refrigerants with three levels of sensitivity to leaks as small as 0.25oz/yr (7g/yr). The ergonomic tool also features a built-in LED work light on the probe tip for dimly lit locations.
The new Ashcroft® DG25 digital pressure gauge provides a five full-digit LCD in ranges up to 25,000 psi. Available in accuracies of 0.5% and 0.25% FS, this new design boasts a minimum battery life of 2,000 hours.
Many engineers tend to avoid or delegate the nitty gritty of a ground source heat pump system, from soil moisture effects to building system (im) balance. It's time for designers to get in the loop. Learn more about Grounded In Reality in the December issue. Other topics in the December issue include health care HVAC, Boilders, check out the Back2Basics, and more.