Dresser Instrument introduces the Ashcroft DXLdp low-pressure transmitter with a SpoolCal process valve actuator. According to the manufacturer, for the first time, transmitters in critical airflow systems can be easily validated and calibrated in-place without disturbing process tubes or wiring.
With a twist to the left, the SpoolCal tees the process pressure out to a handheld calibrator. A twist to the right puts the user in the calibration mode. Its front access test jacks provide on-line reference signal without removing wiring, avoiding signal interruption.
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