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Ultrasonic Prime, our most popular Thermal Mass Flow Meter

Ultrasonic flow meter™ is our most popular Gas Thermal Mass Flow Meter preferred by our Industrial, Environmental and Commercial customers for a variety of applications. It is packaged in a robust, yet lightweight, dual-sided NEMA 4 enclosure with easy access to a separate rear compartment. Large, well marked terminals provide ease of customer wiring, providing full Modbus® compliant RS485 communications, isolated 4-20mA outputs, pulsed outputs of totalized flow, and the choice of 24VDC or 115VAC/230VAC operation (12 VDC Optional). The Prime can be incorporated into almost any Gas Flow application, and is UL, CSA and ATEX approved for hazardous service, and is CE compliant. It features a bright, high contrast graphical display (organic LEDs) reporting Flow Rate, Total and Temperature and even provides the raw calibration milliwatts (mw) for diagnostics which is the key to our popular, money saving, In-Situ Calibration Check