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。搭配创新的分体式变送器Promass A 500，在困难工况下具有高安装灵活性和高操作安全性。Heartbeat Technology 心跳技术确保可靠测量和合规验证。

测量原理不受流体物理特性的影响（例如粘度或密度）

适用于所有行业中的极小流量测量

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)

分体式仪表最多带4路输入/输出

背光显示、触摸键控制和WLAN访问

传感器和变送器通过标准电缆连接

优势

所需安装空间小：紧凑型轻量化传感器

高产品质量：自排空测量管

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

完整查看过程信息和诊断信息：提供多种用户自定义输入/输出组合方式和以太网

降低复杂性和多变性：允许用户自定义输入/输出功能

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

Accurate single-tube flowmeter for lowest flow rates, as remote version with up to 4 I/Os.

Suitable for applications with smallest flow quantities in all industries.

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

Full access to process and diagnostic information – numerous, freely combinable I/Os and fieldbuses. Reduced complexity and variety – freely configurable I/O functionality. Integrated verification – Heartbeat Technology.

Remote version with up to 4 I/Os. Backlit display with touch control and WLAN access. Standard cable between sensor and transmitter.

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

AlSi10Mg, coated; 1.4409 (CF3M) similar to 316L; Polycarbonat

防护等级

Sensor remote version (standard): IP66/67, type 4X enclosure

Sensor remote version (option): IP69.

Transmitter remote version: 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

输出

4 outputs:

4-20 mA HART (active/passive)

4-20 mA WirelessHART

4-20 mA (active/passive)

Pulse/frequency/switch output (active/passive)

Double pulse output (active/passive)

Relay output

输入

Status input

4-20 mA input

数字通信

HART, PROFIBUS DP, PROFIBUS PA, FOUNDATION Fieldbus, Modbus RS485, Profinet, Ethernet/IP, OPC-UA

电源

DC 24 V

AC 100 to 230 V

AC 100 to 230 V / DC 24 V (non-hazardous area)

防爆认证

ATEX, IECEx, cCSAus, INMETRO, NEPSI

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