测量原理

科里奥利质量流量

产品标题

真正的两线制回路供电的流量计，用于极小流量的高精度测量。适用于化工行业应用中的极小流量测量。

传感器特点

所需安装空间小：紧凑型轻量化传感器。产品质量：自排空的测量管设计。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。公称口径：DN 1...4 (¹⁄₂₄...¹⁄₈")。过程压力为430.9 bar (6250 psi)。

变送器特点

仪表接线方便：配备独立接线腔。操作安全：配备带触摸键控制的背光显示单元，无需打开仪表操作。自校验：Heartbeat Technology（心跳技术）。两线制回路供电。双腔室外壳坚固耐用。

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

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)

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

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 traceable verification according to ISO 9001:2008 – Section 7.6 a (TÜV 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