E2S Warning Signals has developed a range of LED beacons for use as warning beacons and status indicators for systems installed in hazardous areas and industrial environments. According to the company, the LED units, using a multiple array of high-power white Cree LEDs, offer significant advantages over traditional Xenon strobe technology. The typical light output level from the LED units is a very bright 338 candela, higher than the 120 candela effective intensity of a 5J Xenon tube unit.
Extech Instruments has released the new SD900 and SD910 3-channel DC current and DC voltage dataloggers. The new data recording instruments are optimized for extended monitoring of milliamp (SD900) and millivolt (SD910) signals throughout a commercial, industrial, or residential facility.
Why was one floor’s laboratory ventilation failing to keep up, when it was even the closest floor to the rooftop fans? Some system sleuthing led two engineers to a fitting conclusion. Read more stories in May Issue 2017.