产品信息：
Prosonic Flow B 200 针对沼气行业而专门设计，主要用来对沼气、填埋池或消化池气体的体积流量进行高精度的测量，适用于具有波动性的工作环境。此外，Prosonic Flow B 200 还能够提供实时甲烷含量测量，这一的特性不但能够让用户对气体的流量进行连续不断的测量，而且还能够对气体的质量进行持续的监测。
优势：
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内置实时甲烷含量测量功能
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针对低压力气体的测量设备 - 传感器经过专门设计
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无压损 - 全管径设计
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过程透明度高 - 带诊断功能
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设备配线方便 - 有独立接线盒
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有利于安全操作 - 无需开盖操作，因为显示器带触控功能和背光
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综合检验 - 心跳技术
应用领域：
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测量原理不受气体组成的影响
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直插式流量计设计用于湿沼气，沼气和垃圾填埋气波动的工艺条件下。
设备特点:
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多变量设备: 流量, 温度和甲烷
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介质温度: 0 ~ 80 °C (32 ~ 176 °F)
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过程压力: 0.7 ~ 11 bar a (10.2 ~ 159 psi a)
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回路供电技术
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强大的双腔室外壳
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工厂安全性: 认证
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特征和规格：
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气体
测量原理 超声波 主要特点 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.特点 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. 直径 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 测量误差 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)压力范围 11 bar a (159 psi a) 过程温度 0 to +80 °C (+32 to +176 °F) 环境温度 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) 电子插件的防护 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输出 4‐20 mA HART (passive)
4‐20 mA (passive)
Pulse/frequency/switch output (passive)输入 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)防爆认证 ATEX, IECEx, cCSAus, NEPSI, INMETRO Other approvals and certificates
