Device parameters for Wilcoxon's intrinsically safe certified sensors
●When the accelerometer is certified to be safe for use in an explosive or potentially explosive atmosphere, there are certain requirements which must be met. The sensor must be installed in specific accordance with the associated installation drawing, which is approved during certification. The installation drawing approved during the certification process establishes the mechanical mounting and electrical connection requirements.
●In many instances, the sensor must be connected to a safety barrier, which protects the sensor from harmful voltages and currents, in the event of a failure in either the sensor or the associated readout equipment. The safety barrier must be rated In compliance with the ratings established by the certifying agency. These ratings vary based on the type of certification; for instance, if one desires the sensor to be approved for use in a hydrogen atmosphere versus methane atmosphere, different ratings would normally apply. Safety barriers used with hazardous area accelerometer installations typically have five parameters of concern associated with them: voltage, current, power, capacitance, and inductance.
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780A-IS 、 786A-IS 、 786F-IS 、 786T-IS 、 787A-IS 、 787A-M8-IS 、 787-500-M12-IS 、 787-500-IS 、 787A-M12-IS 、 786-500-M12-IS 、 786-500-IS 、 786A-M12-IS 、 PC420xx-yy-IS 、 PC421xx-yy-IS 、 PC423xx-yy-IS 、 PC420xx-yy-EX 、 780A-D2 、 786A-D2 、 786F-D2 、 786T-D2 、 787A-D2 、 787A-M8-D2 、 787-500-M12-D2 、 787-500-D2 、 787A-M12-D2 、 786-500-M12-D2 、 786-500-D2 、 786A-M12-D2 、 LPA100T-D2 、 PCH420-HZ 、 766-33 、 793-33 、 793L-33 、 793V-33 、 793V-5-33 、 797-33 、 797L-33 、 766E 、 793E 、 793LE 、 793VE 、 797E 、 797LE 、 797VE 、 MTL 7728+ 、 MTL 7787 、 700 、 PC420 、 787-M12-IS 、 787-M12-D2 、 766-35 、 793-10-35 、 793-35 、 793V-35 、 797-35 、 797L-35 、 993B-5-33 、 993B-6-33 、 993B-7-33 、 993B-7-M12 |
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Technical Documentation |
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Please see the document for details |
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English Chinese Chinese and English Japanese |
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2019/07/28 |
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667 KB |
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