PMD70差壓變送器
- 品牌： E+H
- 型號： PMD70
產(chǎn)品描述
差壓變送器，采用陶瓷傳感器
抗過載，帶功能監(jiān)測，具有HART, PROFIBUS PA 或FF基金會現(xiàn)場總線通信協(xié)議
優(yōu)點
- 極高的可重復(fù)性和長期運行穩(wěn)性
- 高精度： ±0.075%，鉑金型：±0.05%
- 量程比100:1，特殊要求可更高
- 用于流量和差壓監(jiān)測，最高符合SIL3, 由TüV SüD根據(jù)IEC 61508 標(biāo)準(zhǔn)進(jìn)行認(rèn)證
-
HistoROM®/M-DAT 存儲模塊
-
對測量元件和電子模塊進(jìn)行功能監(jiān)測
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模塊化設(shè)計，可以與差壓、靜壓和壓力測量儀表(Deltabar S, Deltapilot S, Cerabar S)的模塊部件進(jìn)行互換, 如：
- 可更換的顯示單元
- 通用的壓力和差壓電子模塊 -
通過快速設(shè)定菜單進(jìn)行快速調(diào)試
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現(xiàn)場菜單引導(dǎo)式操作
-
廣泛的自診斷功能
應(yīng)用領(lǐng)域
Deltabar S差壓變送器可用于解決以下測量問題：
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氣體、蒸氣和液體的流量測量（體積流量或質(zhì)量流量）
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液體的液位、體積或質(zhì)量測量
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過濾器和泵的差壓監(jiān)測
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通過多項國際認(rèn)證
技術(shù)參數(shù)
Continuous / Liquids
Gas
Liquids
Pressure
Steam
Measuring Principle Differential pressure Characteristic / Application Digital transmitter with ceramic measuring diaphragms
Modular transmitter
Long term stability
Enhanced safety via self diagnostic functions
Secondary process barrier
Supply / Communication 4...20 mA HART:
10,5...45V DC
Ex ia: 10,5...30V DC
PROFIBUS PA /
FOUNDATION Fieldbus:
9...32V DC
Accuracy 0,075%
"PLATINUM" 0,05%
Long term stability 0,05% of URL/year
Ambient temperature -20°C...85°C
(-4°F...185°F)
Process temperature -20°C...85°C
(-4°F...185°F)
Process pressure absolute / max. overpressure limit 150 bar (2250psi)
Pressure measuring range 25mbar...3 bar
(0.36psi...45psi)
Main wetted parts Ceramic
Alloy C276
316L
Monel
Tantalum
Process connection 1/4-18NPT
RC1/4"
Max. measurement distance 30m (98ft)H2O
Output 4...20 mA HART
PROFIBUS PA
FOUNDATION Fieldbus
Certificates / Approvals ATEX
FM
CSA
NEPSI
IECEx
SIL
GL marine
WHG/ Overfill prevention
EN10204-3.1
Options HistoROM/M-Dat
4-line digital display
SS- or Aluminiumhousing
Separate housing
Application limits Measuring cell:
Ceramic
