• 測量原理特別適用于濕蒸汽/飽和蒸汽/過熱蒸汽、氣體和液體（以及低溫介質）測量

• 專用于低流量或小流量測量

儀表特點

• 內置一級或二級縮徑

• *大公稱口徑（配管）為DN 250 (10")

• 壓力傳感器安裝靈活

• 顯示單元配備數據傳輸功能

• 雙腔室外殼堅固耐用

• 工廠安全性：通過多項國際認證（SIL，防爆）

  特征和規格

  測量原理	渦街流量計
  產品標題	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.
  傳感器特點	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").
  變送器特點	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.
  公稱口徑范圍	DN 25 to 250 (1 to 10")
  接液部件材質	Measuring tube: 1.4408 (CF3M)  DSC sensor: 1.4404/F316/F316L  Process connection: 1.4404/F316/F316L
  測量變量	Volume flow, mass flow, corrected volume flow, energy flow, heat flow difference, temperature
  *大測量誤差	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%
  測量范圍	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)
  *大過程壓力	PN 40, Class 300, 20K
  介質溫度范圍	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)
  環境溫度范圍	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)
  傳感器外殼材質	Sensor connection housing: AlSi10Mg, coated; 1.4408 (CF3M)
  變送器外殼材質	AlSi10Mg, coated; 1.4404 (316L)
  防護等級	Compact version: IP66/67, type 4X enclosure Sensor remote version: IP66/67, type 4X enclosure Transmitter remote version: IP66/67, type 4X enclosure
  顯示/操作	4‐line backlit display with touch control (operation from outside)  Configuration via local display and operating tools possible  Remote display available
  輸出	4‐20 mA HART (passive) 4‐20 mA (passive) Pulse/frequency/switch output (passive)
  輸入	4‐20 mA (passive)
  數字式通信	HART, PROFIBUS PA, FOUNDATION Fieldbus
  電源	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)
  危險區認證	ATEX, IECEx, cCSAus, JPN
  產品安全性	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
  計量認證和證書	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)
  船級認證和證書	ABS, LR, BV
  壓力認證和證書	PED, CRN, AD 2000
  船級證書	3.1 material  NACE MR0175/MR0103, PMI (on request); welding test acc. to ISO 15614‐1, similar to ASME IX (on request)