Deltabar S PMD75

Differential pressure transmitter with metal sensor for continuous measurement

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SKU: PMD75

Highlights

Process Temperature: –40 to 85 °C (–40 to 185 °F)
Measuring ranges: –10 to 10 mbar (-0.15 to 0.15 psi) to –40 to 40 bar (-600 to 600 psi)
As gauge or absolute pressure sensor measuring range : up to 250 bar (3750 psi)
Maximum process pressure: max. 420 bar (max. 2175 psi)
Accuracy: ± 0.05%, "Platinum" ± 0.035% (optional)

Fields of application

Filters and pumps
Fases, vapors and liquids
For level, volume or mass measurement in liquids

Details

The Deltabar S PMD75 differential pressure transmitter from Endress+Hauser with a piezoresistive sensor and a welded metallic membrane is used in all industries for continuous measurement in liquids, vapors, and gases. The 3-key operation enables simple and reliable commissioning and operation. The integrated HistoROM data module allows easy management of process and device parameters. Designed according to IEC 61508 for use in SIL2/3 safety applications.

General Information

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Measuring principle	Differential pressure
Process pressure range	–10 to 10 mbar (-0.15 to 0.15 psi) to –40 to 40 bar (-600 to 600 psi)
Maximum allowable pressure	On one side: up to 420 bar (6300 psi) On both sides: up to 630 bar (9450 psi) As gauge or absolute pressure sensor: up to 375 bar (5625 psi)
Process temperature range	-40 to 85 °C -40 to 185 °F
Sensor accuracy	≤ 0.035%
Display type	Optional LCD

Input/Output

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Transmitter output type	4...20 mA
Communication protocol	HART PROFIBUS PA FOUNDATION Fieldbus
Update frequency	HART: min. 300 ms PROFIBUS PA: min. 200 ms FOUNDATION Fieldbus: min. 100 ms

Mechanical Data

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Process connection	¼ -18NPT (threaded) RC ¼ (threaded)
Wetted material	Alloy C276 316L Monel Tantalum
Housing material	Die-cast aluminum with protective powder-coating on polyester base Stainless steel
Degree of protection	IP66/67 NEMA 6P IP65 NEMA 4

Electrical Data

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Voltage Type	DC
Power supply	4...20 mA HART 10.5 to 45 V DC (no Ex): Ex ia: 10.5 to 30 V DC PROFIBUS PA: 9 to 32 V DC (no Ex) FOUNDATION Fieldbus: 9 to 32 V DC (no Ex)
Current consumption	PROFIBUS PA: 13 mA ±1 mA FOUNDATION Fieldbus: 15.5 mA ±1 mA
Cable entry	As per product configuration: M20 gland G ½" thread NPT ½" thread M12 plug 7/8" plug HAN7D plug 90 degrees
Switch on Delay	≤2 s
Transmitter response time	HART: min. 330 ms PROFIBUS PA: approx. 8 to 13 ms FOUNDATION Fieldbus: max. 20 ms

Certification/Approvals

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Hazardous approvals	ATEX, FM, CSA, CSA C/US, IEC Ex, INMETRO, NEPSI, EAC
Hygienic / Drinking water approvals	WHG/ Overfill prevention SIL
Other Approvals/ Certification	GL/ ABS, NACE MR0103, EN10204-3.1 CE

Additional Information

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Ambient temperature range	–50 to 85 °C –58 to 185 °F
Storage temperature	–40 to 90 °C –40 to 194 °F
Mounting type	Integral Wall & Pipe mounting
Vibration resistance	Guaranteed for 10 to 38 Hz: 38 to 2000 Hz Guaranteed for 10 to 60 Hz: 60 to 2000 Hz
Reverse polarity protection	Yes
Overvoltage protection	Yes (to be selected while ordering)
Electromagnetic compatibility (EMC)	EN 61326, NE21
Long term stability	0.05% of URL/year