产品介绍：
Prosonic Flow B 200 可在过程条件波动的情况下对湿沼气和消化池气体进行精确、可靠的测量。此外，Prosonic Flow B 200 还能够提供实时甲烷含量分析，这一独有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。此外，心跳技术能够保证有效的过程控制和能量平衡，并始终确保合规性与过程安全性。
内置实时甲烷含量测量功能
针对低压力气体的*佳测量设备 - 传感器经过专门设计
无压损 - 全管径设计
过程透明度高 - 带诊断功能
设备配线方便 - 有独立接线盒
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
综合检验 - 心跳技术
测量原理不受气体组成的影响
直插式流量计，可在过程条件波动的情况下对湿沼气和消化池气体进行测量。
设备特点:
多变量设备: 流量, 温度和甲烷
介质温度: 0 ~ 80 °C (32 ~ 176 °F)
过程压力: 0.7 ~ 11 bar a (10.2 ~ 159 psi a)
回路供电技术
牢固的双腔室外壳
工厂安全性: 全球认证
| 测量原理 | 超声波流量测量 | |
| 产品标题 | The device for accurate, reliable biogas measurement with loop‐powered technology. Integrated real‐time methane fraction measurement. Inline flowmeter designed for wet biogas and digester gas under fluctuating process conditions. | |
| 传感器特点 | Optimized for low pressure gas – specialized sensor design. No additional pressure loss – full bore design. Process transparency – diagnostic capability. Multivariable device: flow, temperature and methane. Medium temperature: 0 to 80 °C (32 to 176 °F). | |
| 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. Loop‐powered technology. Robust dual-compartment housing. | |
| 公称口径范围 | Single‐path version: DN 50 (2"), DN 80 (3") Two‐path version: DN 100 to 200 (4 to 8") | |
| 接液部件材质 | Sensor: 1.4404/1.4435 (316L) Transducer: HNBR Temperature sensor (option): AFM 34 | |
| 测量变量 | 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) | |
| 测量范围 | 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) | |
| **过程压力 | 11 bar a (159 psi a) | |
| 介质温度范围 | 0 to +80 °C (+32 to +176 °F) | |
| 环境温度范围 | Flange material carbon steel: –10 to +60 °C (+14 to +140 °F) Flange material stainless steel: –40 to +60 °C (–40 to +140 °F) | |
| 变送器外壳材质 | AlSi10Mg, coated; 1.4404 (316L) | |
| 防护等级 | 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) | |
| 数字式通信 | HART | |
| 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, NEPSI, INMETRO, TIIS | |
| 计量认证和证书 | Calibration performed on accredited calibration facilities (acc. to ISO/IEC 17025) | |
| 压力认证和证书 | PED | |
| 船级证书 | 3.1 material (wetted parts) | |
Model 264 传感器在全球的安装数量已高达上百万只，是HVAC 楼宇自动化、高精度医药和卫生保健设施中低压差测量应用的“标准”产品。Model 264 型超低差压传感器使用闭端不锈钢焊接电容感应元件，仅要求极小的放大倍率，可为各类关键安装应用提供出色的精度和长期可靠性。Model 264 采用稳固设计，使用黄铜倒钩接头、卡轨安装架、以及可选的导管盖，可实现简单、稳定的安装。特性·**支持10 PSI 超压·安装方便·0~5VDC 或4~20mA 模拟输出·误接线全保护·使用非调整直流电源供电·满足CE 标准应用·暖通空调（HVAC）·能源管理系统·VAV 及风扇控制·洁净工程·OEM·实验室及通风橱控制·烘箱增压及炉通风控制·医疗仪器及设备