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.
Inline flowmeter designed for measurement of 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). Process pressure: 0.7 to 11 bar a (10.2 to 159 psi a). | |
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. Plant safety: worldwide approvals. | |
公称口径范围 | 单声路型:DN 50 (2")、DN 80 (3") 双声路型:DN 100...200 (4...8") | |
接液部件材质 | 传感器:1.4404/1.4435 (316L) 超声波变送器:HNBR 温度传感器(可选):AFM 34 | |
测量变量 | 体积流量、校正体积流量、校正甲烷体积流量、能量流、甲烷浓度、比热值、温度 | |
最大测量误差 | 体积流量(标准): ‐ ±1.5 % o.r.:3...30 m/s (9.84...98.4 ft/s) ‐ ±3 % o.r.:1...3 m/s (3.28...9.84 ft/s) 体积流量(可选): ‐ ±0.1 % o.f.s.:0.3...1 m/s (0.98...3.28 ft/s) ‐ ±1.5 % o.r.:1...30 m/s (3.28...98.4 ft/s) | |
测量范围 | 标准:1...30 m/s (3.28...98.4 ft/s) 可选:0.3...30 m/s (0.98...98.4 ft/s) | |
最大过程压力 | 11 bar a (159 psi a) | |
介质温度范围 | 0...+80 °C (+32...+176 °F) | |
环境温度范围 | 碳钢法兰:–10...+60 °C (+14...+140 °F) 不锈钢法兰:–40...+60 °C (–40...+140 °F) | |
变送器外壳材质 | 铝合金AlSi10Mg涂层:1.4404 (316L) | |
防护等级 | IP66/67,Type 4X | |
显示/操作 | 四行背光显示,触摸键操作 (外部操作) 通过现场显示单元和调试软件设置 | |
输出 | 4...20 mA HART(无源) 4...20 mA(无源) 脉冲/频率/开关量输出(无源) | |
输入 | 4...20 mA电流输入(无源) | |
数字通信 | HART | |
电源 | 12...35 VDC(4...20 mA HART,带/不带脉冲/频率/开关量输出) 12...30 VDC(4...20 mA HART,4...20 mA) 12...35 VDC(4...20 mA HART,脉冲/频率/开关量输出,4...20 mA输出) 9...32 VDC(PROFIBUS PA,脉冲/频率/开关量输出) | |
防爆认证 | ATEX、IECEx、cCSAus、NEPSI、INMETRO、TIIS | |
计量认证和证书 | 在认证标定装置上标定(符合ISO/IEC 17025标准) | |
压力认证和证书 | PED | |
材料证书 | 3.1材料证书(接液部件) |