The Ultima X gas monitor series now is available for duct-mounted monitoring applications. This kit enables gas sampling even when the flow rate within the duct is at a high velocity, says the company. It is sealed to prevent the gas within the duct from escaping, states the manufacturer. Users can calibrate the sensor via a calibration port without disassembling or removing the sensor from the duct, states the company. According to the manufacturer, the disconnect-under-power feature allows sensors in an explosion-proof unit to be changed without the need for hazardous-area declassification.

MSA Instrument Division, Data Sheet 07-2051; P. O. Box 427, Pittsburgh, PA 15230; 800-672-4678;

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