应用领域

一体式Promass A是在严苛工况下进行连续过程控制的理想选择。单测量管流量计带自排空功能，能够高精度测量极小流量的液体和气体，也可以在高压条件下测量。采用经济的两线制回路供电技术和本安设计（Ex ia），即使在危险区中使用Promass A 200也具有高操作安全性。Heartbeat Technology心跳技术确保过程安全。

测量原理不受流体物理特性的影响（例如粘度或密度）

适用于化工行业应用中的极小流量测量

仪表特点

公称口径：DN 1...4 (1/24...1/8")

最大过程压力：430.9 bar (6250 psi)

最高介质温度：+205 °C (+401 °F)

两线制回路供电技术

坚固耐用的双腔室外壳

工厂安全性：通过多项国际认证（SIL，防爆）

优势

所需安装空间小：紧凑型轻量化传感器

高产品质量：自排空的测量管设计

高过程安全性：耐受腐蚀性环境条件，可以在内部可能发生堵塞的管道中测量

接线方便：仪表配备独立接线腔

操作安全：配备带触摸键操作的背光显示屏，操作时无需打开仪表

带自校验功能：采用Heartbeat Technology心跳技术

产品规格参数

测量原理

科里奥利质量流量

产品标题

Genuine loop-powered flowmeter for accurate measurement of lowest flow rates.

Suitable for applications with smallest flow quantities in the chemical industry.

传感器特点

Space-saving installation – compact, lightweight sensor. Highest product quality – self-drainable measuring tube design in all line sizes. Optimum process safety – resistant to corrosive ambient conditions and internal clogging.

Nominal diameter: DN 1 to 4 (¹⁄₂₄ to ¹⁄₈"). Process pressure up to 430.9 bar (6250 psi). Medium temperature up to +205 °C (+401 °F).

变送器特点

Convenient device wiring – separate connection compartment. Safe operation – no need to open the device due to display with touch control, background lighting. Integrated verification – Heartbeat Technology.

Loop-powered technology. Robust dual-compartment housing. Plant safety: worldwide approvals (SIL, Haz. area).

公称口径范围

DN 1 to 4 (¹⁄₂₄ to ¹⁄₈")

接液部件材质

Measuring tube: stainless steel, 1.4435 (316/316L); Alloy C22

测量变量

Mass flow, density, temperature, volume flow, corrected volume flow, reference density

最大测量误差

Mass flow (liquid): ±0.1 %

Volume flow (liquid): ±0.1 %

Mass flow (gas): ±0.35 % Density (liquid): ±0.0005 g/cm³

测量范围

0 to 450 kg/h (0 to 16.54 lb/min)

最大过程压力

430.9 bar (6250 psi)

介质温度范围

-50 to 205 °C (-58 to 401 °F)

环境温度范围

-40 to 60 °C (-40 to +140 °F)

传感器外壳材质

Stainless steel, 1.4404 (316L)

变送器外壳材质

Stainless steel, CF-3M (316L, 1.4404)

AlSi10MG, coated

防护等级

IP66/67, Type 4X enclosure

显示/操作

4-line backlit display with touch control (operation from outside)

Configuration via local display and operating tools possible

Remote display available

输出

4‐20 mA HART (passive)

4‐20 mA (passive)

Pulse/frequency/switch output (passive)

输入

None

数字通信

HART, PROFIBUS PA, FOUNDATION Fieldbus

电源

DC 18 to 35 V (4‐20 mA HART with/without

pulse/frequency/switch)

DC 18 to 30 V (20 mA HART, 4‐20 mA)

DC 9 to 32 V (PROFIBUS PA)

防爆认证

ATEX, IECEx, cCSAus, INMETRO, NEPSI, UK Ex

产品安全性

CE, C-TICK

功能安全性

Functional safety according to IEC 61508, applicable in safety-relevant applications in accordance with IEC 61511

计量认证和证书

Calibration performed on accredited calibration facilities (acc. to ISO/IEC 17025)

Heartbeat Technology complies with the requirements for measurement traceability according to ISO 9001:2015 – Section 7.1.5.2 a (TÜV SÜD attestation)

压力认证和证书

CRN

材料证书

3.1 material

卫生型认证和证书

3-A, cGMP