Sage thermal mass flowmeterThe RIO ATEX Zone 1 thermal mass flowmeter from Sage Metering features the In-Situ field zero calibration check, wide turndown, drift-free operation, high-contrast graphical flow rate display and explosion-proof, dual-sided NEMA 4X enclosure. Flow rate also is displayed graphically in a horizontal bar graph format. The meter is powered by 24 VDC (115 VAC/230 VAC optional). 831/242-2030; www.sagemetering.com.Opto 22 LED dimmerThe Network LED Dimmer from Opto 22 uses pulse width modification (PWM) to control LED brightness (0-100 percent) for 9-30 VDC constant voltage LED lighting assemblies, including lamps, bulbs, strips, ropes and bars. When connected to an
