測量原理
差壓
特點
數字式變送器，帶金屬膜片傳感器
模塊化變送器
高*穩定性
高靜壓力/抗過載
第二層過程安全柵
供電電壓
4...20mA HART
10.5...45V DC（非防爆）：
Ex ia：10.5...30V DC
PROFIBUS PA：
9...32 V DC（非防爆）
FOUNDATION Fieldbus：
9...32 V DC（非防爆）
參考測量精度
Differential pressure
Deltabar PMD75Differential pressure transmitter with metal sensor for measurement of pressure differences
The Deltabar PMD75 differential pressure transmitter with with piezoresistive sensor and 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.
優勢
Best accuracy, reproducibility and long-term stability
Highest safety due to gas tight feedthrough with capabilities up to SIL2/3, certified to IEC 61508
Easy menu-guided commissioning via local display, 4 to 20mA with HART, PROFIBUS PA, FOUNDATION Fieldbus
HistoROM data management concept for fast and easy commissioning, maintenance and diagnostics
Cost savings with modular concept for easy replacement of sensor, display or electronics
Overload-resistant up to 420bar / 42MPa / 6300psi, function-monitored
Seamless and independent system integration (HART/PA/FF)
應用領域
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.
Process connections: Threads
Process temperature: -40 to +85°C (-40 to +185°F)
Measuring ranges: 0.25mbar to 40bar (0.0036 to 600psi)
Accuracy: ±0.05%, "Platinum" ±0.035% (optional)
International explosion protection certificates, overfill prevention WHG, SIL, hygienic approvals, marine approvals
特征和規格
- 壓力
- 液體
- 蒸汽
- 氣體
- 連續液位測量
測量原理
差壓
特點
數字式變送器，帶金屬膜片傳感器
模塊化變送器
高*穩定性
高靜壓力/抗過載
第二層過程安全柵供電電壓
4...20mA HART
10.5...45V DC（非防爆）：
Ex ia：10.5...30V DC
PROFIBUS PA：
9...32 V DC（非防爆）
FOUNDATION Fieldbus：
9...32 V DC（非防爆）參考測量精度
標準型：0.05%；
鉑金型：0.035%*穩定性
0.05% URL/年
0.125% URL/ 5年過程溫度
-40...85°C
(-40...185°F)環境溫度
-40...85 °C
(-40...185 °F)傳感器
10 mbar...40 bar
(0.4 inH2O...600 psi)小可標定量程
1 mbar (0.015 psi)
抗真空壓力
50 mbar (7.25psi)
大量程比
100:1
大過壓限定值
單側：
420 bar
(6300psi)過程連接
1/4-18NPT
RC1/4"過程膜片的材質
316L、AlloyC合金、
鉭、
金-銠墊圈材質
Viton、PTFE、EPDM、NBR
填充液
無
外殼材質
316L、鑄鋁
通信
4...20mA HART
PROFIBUS PA
FOUNDATION Fieldbus證書和認證
ATEX、FM、CSA、CSA C/US、IEC Ex、TIIS、INMETRO、NEPSI、EAC
安全認證
WHG/溢出保護
SIL設計認證
NACE MR0103
EN10204-3.1船級認證
GL/ ABS
特點
診斷功能
