產品信息：
Prosonic Flow B 200 針對沼氣行業而專門設計，主要用來對沼氣、填埋池或消化池氣體的體積流量進行高精度的測量，適用于具有波動性的工作環境。此外，Prosonic Flow B 200 還能夠提供實時甲烷含量測量，這一的特性不但能夠讓用戶對氣體的流量進行連續不斷的測量，而且還能夠對氣體的質量進行持續的監測。
優勢：
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內置實時甲烷含量測量功能
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針對低壓力氣體的測量設備 - 傳感器經過專門設計
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無壓損 - 全管徑設計
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過程透明度高 - 帶診斷功能
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設備配線方便 - 有獨立接線盒
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有利于安全操作 - 無需開蓋操作，因為顯示器帶觸控功能和背光
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綜合檢驗 - 心跳技術
應用領域：
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測量原理不受氣體組成的影響
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直插式流量計設計用于濕沼氣，沼氣和垃圾填埋氣波動的工藝條件下。
設備特點:
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多變量設備: 流量, 溫度和甲烷
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介質溫度: 0 ~ 80 °C (32 ~ 176 °F)
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過程壓力: 0.7 ~ 11 bar a (10.2 ~ 159 psi a)
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回路供電技術
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強大的雙腔室外殼
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工廠安全性: 認證
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特征和規格：
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氣體
測量原理 超聲波 主要特點 The device for accurate, reliable biogas measurement with loop‐powered technology. Integrated real‐time methane fraction measurement.
For measurement of wet biogas, digester gas and landfill gas under fluctuating process conditions.特點 Optimized for low pressure gas – specialised sensor design. No additional pressure loss – full bore design. Process transparency – diagnostic capability. M*riable device: flow, temperature and methane. Medium temperature: 0 to 80 °C (32 to 176 °F). 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. Loop‐powered technology. Robust two‐chamber housing. 直徑 Single‐path version: DN 50 (2"), DN 80 (3")
Two‐path version: DN 100 to 200 (4 to 8")Wetted materials Sensor: 1.4404/1.4435 (316L)
Transducer: HNBR
Temperature sensor (option): AFM 34Measured variables Volume flow, corrected volume flow, corrected methane volume flow, energy flow, methane fraction, calorific value, temperature 測量誤差 Volume flow (standard):
‐ ±1.5 % o.r. for 3 to 30 m/s (9.84 to 98.4 ft/s)
‐ ±3 % o.r. for 1 to 3 m/s (3.28 to 9.84 ft/s)
Volume flow (option):
‐ ±0.1 % o.f.s. for 0.3 to 1 m/s (0.98 to 3.28 ft/s)
‐ ±1.5 % o.r. for 1 to 30 m/s (3.28 to 98.4 ft/s)量程 Standard: 1 to 30 m/s (3.28 to 98.4 ft/s)
Option: 0.3 to 30 m/s (0.98 to 98.4 ft/s)壓力范圍 11 bar a (159 psi a) 過程溫度 0 to +80 °C (+32 to +176 °F) 環境溫度 Flange material carbon steel: –10 to +60 °C (+14 to +140 °F)
Flange material stainless steel: –40 to +60 °C (–40 to +140 °F)Transmitter housing material AlSi10Mg, coated; 1.4404 (316L) 電子插件的防護 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輸出 4‐20 mA HART (passive)
4‐20 mA (passive)
Pulse/frequency/switch output (passive)輸入 Current input 4‐20 mA (passive) 通信 HART 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 input)
DC 9 to 32 V (PROFIBUS PA, pulse/frequency/switch Output)防爆認證 ATEX, IECEx, cCSAus, NEPSI, INMETRO Other approvals and certificates
