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Differential pressureDeltabar PMD75
Differential pressure transmitter with meta
The Deltabar PMD75 differential pressure transmitter with with piezoresistive sensor and welded -
Best accuracy, reproducibility and long-term stability
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Highest safety due to gas tight feedthrough with capabilities up to SIL2/3, certified to IEC 61508
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Easy menu-guided commissioning via local display, 4 to 20mA with HART, PROFIBUS PA, FOUNDATION Fieldbus
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HistoROM data management concept for fast and easy commissioning, maintenance and diagnostics
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Cost savings with modular concept for easy replacement of sensor, display or electronics
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Overload-resistant up to 420bar / 42MPa / 6300psi, function-monitored
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Seamless and independent system integration (HART/PA/FF)
For level, volume or mass measurement in liquids, differential pressure monitoring as well as flow measurement (volume or mass flow) in conjunction with primary elements in gases, vapors and liquids.
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Process connections: Threads
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Process temperature: -40 to +85°C (-40 to +185°F)
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Measuring ranges: 0.25mbar to 40bar (0.0036 to 600psi)
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Accuracy: ±0.05%, "Platinum" ±0.035% (optional)
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International explosion protection certificates, overfill prevention WHG, SIL, hygienic approvals, marine approvals
规格和特征
压力
量原理差压特点采用金属测量膜片的模块化数字变送器，长期稳定性，强抗静压/抗过载能力；第二过程栅
供电电压4...20mA HART：10,5...45V DC，Ex ia：10,5...30V DC，PROFIBUS PA /基金会现场总线：9...32V DC
参考测量精度"0,075%，"PLATINUM" 0,05%"
长期稳定性测量单元 > 500 mbar：±0,05% URL / 年，±0,125% URL / 5 年；测量单元< 100 mbar：±0,18% URL / 年
过程温度-40°C...85°C
环境温度-40...85℃
传感器10mbar...40bar
*小可标定量程1 mbar (0.015 psi)
抗真空压力50 mbar (0.73 psi)
*大量程比100:1
*大过压限定值单侧：*大420 bar
过程连接"1/4-18NPT，RC1/4"
过程膜片的材质316L, AlloyC,
Tantal,
Gold-Rhodium
垫圈材质Viton, PTFE, EPDM, NBR
填充液None
外壳材质316L, Die-cast aluminum
通信4...20mA HART，PROFIBUS PA，基金会现场总线
证书和认证ATEX，FM，CSA，WHG/溢出保护，SIL，NACE，船级认证，EN10204-3.1
安全认证WHG/ Overfill prevention
SIL
设计认证NACE MR0103
EN10204-3.1
船级认证GL/ ABS
特点Diagnostic functions
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