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FAQs
Q1: What is the primary function of the PMD75 differential pressure transmitter?
The PMD75 is designed for continuous measurement of differential pressure, level, volume, or mass flow in liquids, vapors, and gases. It is commonly used for flow measurement (volume or mass flow), level measurement in tanks, and differential pressure monitoring of filters and pumps.
Q2: What is the accuracy of this transmitter?
The PMD75 offers standard accuracy of ±0.05% and Platinum accuracy of up to ±0.035%. The long-term stability is 0.05% of URL per year.
Q3: What communication protocols does this transmitter support?
The PMD75 supports multiple protocols including 4-20 mA HART, PROFIBUS PA, and FOUNDATION Fieldbus. The specific protocol is determined by the configuration code in the model number.
Q4: What safety certifications does the PMD75 hold?
The PMD75 is certified for SIL 2/3 applications per IEC 61508 by TÜV SÜD. It also holds numerous hazardous area approvals including ATEX, FM, CSA, IECEx, INMETRO, NEPSI, and EAC.
Q5: What is the maximum overpressure the PMD75 can withstand?
The PMD75 can withstand overpressure up to 420 bar (6300 psi) on one side without damage, thanks to its welded metallic diaphragm design and integrated overload protection.
