• 测量原理特别适用于湿蒸汽/饱和蒸汽/过热蒸汽、气体和液体（以及低温介质）测量

• 专用于低流量或小流量测量

仪表特点

• 内置一级或二级缩径

• *大公称口径（配管）为DN 250 (10")

• 压力传感器安装灵活

• 显示单元配备数据传输功能

• 双腔室外壳坚固耐用

• 工厂安全性：通过多项国际认证（SIL，防爆）

  特征和规格

  测量原理	涡街流量计
  产品标题	Flowmeter with best-in-class accuracy despite pipe reduction. Easy energy management – integrated temperature and pressure measurement for steam and gases. Dedicated to applications with very low or reduced flow.
  传感器特点	Cost and time savings – no pipework modifications needed for line size reduction. Same accuracy down to Re 10 000 – most linear Vortex meter body. Long-term stability – robust drift-free capacitive sensor. Integrated diameter reduction by 1 or 2 line sizes. Nominal diameter (mating pipe) up to DN 250 (10").
  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. Display module with data transfer function. Robust dual-compartment housing.
  公称口径范围	DN 25 to 250 (1 to 10")
  接液部件材质	Measuring tube: 1.4408 (CF3M)  DSC sensor: 1.4404/F316/F316L  Process connection: 1.4404/F316/F316L
  测量变量	Volume flow, mass flow, corrected volume flow, energy flow, heat flow difference, temperature
  *大测量误差	Volume flow (liquid): ±0.75 %  Volume flow (steam, gas): ±1.00 %  Mass flow (saturated steam): ±1.7% (temperature compensated); ±1.5% (temperature/pressure compensated)  Mass flow (superheated steam, gas): ±1.5 (temperature/pressure compensated); ±1.7% (temperature compensated + external pressure compensation)  Mass flow (liquid): ±0.85%
  测量范围	Liquid: 0.1 to 540 m³/h (0.061 to 320 ft³/min)  depending on medium: water with 1 bar a, 20 °C (14.5 psi a, 68° F)  Steam, gas: 0.52 to 7300 m³/h (0.31 to 4300 ft³/min)  depending on medium: steam with 180 °C, 10 bar a (356 °F, 145 psi a); air with 25 °C, 4.4 bar a (77 °F, 63.8 psi a)
  *大过程压力	PN 40, Class 300, 20K
  介质温度范围	Standard: –40 to +260 °C (–40 to +500 °F) High/low temperature (option): –200 to +400 °C (–328 to +752 °F) High/low temperature (on request): –200 to +450 °C (–328 to +842 °F)
  环境温度范围	Compact version (standard): –40 to +80 °C (–40 to +176 °F) Compact version (option): –50 to +80 °C (–58 to +176 °F) Remote version (standard): –40 to +85 °C (–40 to +185 °F) Remote version (option): –50 to +85 °C (–58 to +185 °F)
  传感器外壳材质	Sensor connection housing: AlSi10Mg, coated; 1.4408 (CF3M)
  变送器外壳材质	AlSi10Mg, coated; 1.4404 (316L)
  防护等级	Compact version: IP66/67, type 4X enclosure Sensor remote version: IP66/67, type 4X enclosure 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  Remote display available
  输出	4‐20 mA HART (passive) 4‐20 mA (passive) Pulse/frequency/switch output (passive)
  输入	4‐20 mA (passive)
  数字式通信	HART, PROFIBUS PA, FOUNDATION Fieldbus
  电源	DC 12 to 35 V (4‐20 mA HART with/without pulse/frequency/switch output) DC 12 to 30 V (4‐20 mA HART, 4‐20 mA) DC 12 to 35 V (4‐20 mA HART, pulse/frequency/switch output, 4‐20 mA input) DC 9 to 32 V (PROFIBUS PA, pulse/frequency/switch output)
  危险区认证	ATEX, IECEx, cCSAus, JPN
  产品安全性	CE, C-tick, EAC
  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)
  船级认证和证书	ABS, LR, BV
  压力认证和证书	PED, CRN, AD 2000
  船级证书	3.1 material  NACE MR0175/MR0103, PMI (on request); welding test acc. to ISO 15614‐1, similar to ASME IX (on request)