縮徑型流量計(jì)Prowirl R 內(nèi)置一級(jí)或二級(jí)縮徑，可以有效的測量小流量。Prowirl R真實(shí)的滿足行業(yè)標(biāo)準(zhǔn)的兩線制技術(shù)，無縫集成到現(xiàn)有的基礎(chǔ)設(shè)施和控制系統(tǒng)。由于本質(zhì)安全設(shè)計(jì)和熟練的安裝，即使在危險(xiǎn)區(qū)域也能有高度的操作安全。
內(nèi)置溫度測量，用于飽和蒸汽質(zhì)量和能量流的測量。
經(jīng)濟(jì)、省時(shí)：一級(jí)縮徑無需改裝管道
高可用性：穩(wěn)定性好，抗震性強(qiáng)，抗溫度沖擊和水錘沖擊
免維護(hù)：生命周期標(biāo)定
儀表接線方便，獨(dú)立接線腔
操作安全：顯示模塊帶觸摸鍵，背光顯示，無需打開儀表操作
內(nèi)置驗(yàn)證技術(shù)：心跳技術(shù)
首選測量濕/飽和/過熱蒸汽，可測量氣體和液體（包括低溫液體）。 用于低流量或漸小流量的應(yīng)用測量。
設(shè)備參數(shù)
集成直徑減小為1或2行
公稱直徑（交配管）可達(dá)DN 250 (10")
根據(jù)行業(yè)標(biāo)準(zhǔn)，定制安裝長度
顯示模塊帶數(shù)據(jù)傳輸功能
堅(jiān)固耐用的雙腔室外殼
工廠安全：通過多項(xiàng)國際認(rèn)證（SIL，危險(xiǎn)區(qū)域）
測量原理
渦街
主要特點(diǎn)
The flowmeter with the same accuracy despite line size reduction, available as compact or remote version. Integrated temperature measurement for mass/energy flow of saturated steam. Dedicated for applications with very low or reduced flow.
特點(diǎn)
Cost and time saving – no pipework modifications needed for line size reduction. High availability – proven robustness, resistance to vibrations, temperature shocks & water hammer. No maintenance – lifetime calibration. Integrated diameter reduction by 1 or 2 line sizes. Nominal diameter (mating pipe) up to DN 250 (10").
Transmitter features
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 two‐chamber housing.
直徑
DN 25 to 250 (1 to 10")
Wetted materials
Measuring tube: 1.4408 (CF3M)
DSC sensor: 1.4435 (316/316L)
Connection: 1.4404 (F316/F316L)
Measured variables
Volume flow, mass flow, corrected volume flow, energy flow, heat flow difference, temperature
測量誤差
Volume flow (liquid): ±0.75 %
Volume flow (steam, gas): ±1.00 %
Mass flow (liquid): ±0.85%
Mass flow (steam, gas): ±1.7 %
量程
Liquid: 0.26 to 545 m3/h (0.15 to 321 ft3/min)
depending on medium: water with 1 bar a, 20 °C (14.5 psi a, 68° F)
Steam, gas: 3.6 to 7262 m3/h (2.12 to 4274 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)
壓力范圍
PN 40, Class 300, 20K
過程溫度
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(huán)境溫度
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)
Sensor housing material
Sensor connection housing: AlSi10Mg, coated; 1.4408 (CF3M)
Transmitter housing material
AlSi10Mg, coated; 1.4404 (316L)
電子插件的防護(hù)
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)
通信
HART, PROFIBUS PA, FOUNDATION Fieldbus
Power supply
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 b)
DC 9 to 32 V (PROFIBUS PA, pulse/frequency/switch output)
防爆認(rèn)證
ATEX, IECEx, cCSAus, TIIS
Other approvals and certificates
Functional safety
Functional safety according to IEC 61508, applicable in safety-relevant applications in accordance with IEC 61511
Metrological approvals and certificates
Calibration perbed on accredited calibration facilities (acc. to ISO/IEC 17025)
Pressure approvals and certificates
PED, CRN, AD 2000
Material certificates
3.1 material
NACE MR0175/MR0103, PMI (on request); welding test acc. to ISO 15614‐1, similar to ASME IX (on request)
