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)
Measuring range
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)
Medium temperature range
0 to +80 °C (+32 to +176 °F)
Max. process pressure
11 bar a (159 psi a)
Wetted materials
Sensor: 1.4404/1.4435 (316L) Transducer: HNBR Temperature sensor (option): AFM 34
Prosonic Flow B 200 is the specialist for accurate and reliable measurement of wet biogas and digester gas,even under fluctuating process conditions. With its unique integrated real-time methane fraction analysis, Prosonic Flow B 200 enables continuous measurement and monitoring of gas flow as well as gas quality. In addition to efficient process control and energy balancing, Heartbeat Technology enables compliance and process safety at all times.
The measuring principle is unaffected by gas composition
Inline flowmeter designed for wet biogas and digester gas under fluctuating process conditions.
Device properties:
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)
Loop-powered technology
Robust dual-compartment housing
Plant safety: worldwide approvals
Lợi ích
Integrated real-time methane fraction measurement
Optimized for low pressure gas – specialized sensor design
No additional pressure loss – full bore design
Process transparency – diagnostic capability
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
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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.
Sensor features
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).
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 dual-compartment housing. Plant safety: worldwide approvals.
Nominal diameter range
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 34
Measured variables
Volume flow, corrected volume flow, corrected methane volume flow, energy flow, methane fraction, calorific value, temperature
Max. measurement error
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)
Measuring range
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)
Max. process pressure
11 bar a (159 psi a)
Medium temperature range
0 to +80 °C (+32 to +176 °F)
Ambient temperature range
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)
Degree of protection
IP66/67, type 4X enclosure
Display/Operation
4‐line backlit display with touch control (operation from outside) Configuration via local display and operating tools possible
Outputs
4‐20 mA HART (passive) 4‐20 mA (passive) Pulse/frequency/switch output (passive)
Inputs
Current input 4‐20 mA (passive)
Digital communication
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)
Hazardous area approvals
ATEX, IECEx, cCSAus, NEPSI, INMETRO, JPN, EAC, KC
Metrological approvals and certificates
Calibration performed on accredited calibration facilities (acc. to ISO/IEC 17025)
WirelessHART and/or Bluetooth® communication interface, Operating frequency: 2.4 GHz (ISM band), Transmission range under reference conditions: WirelessHART communication - up to 200 m (656 ft), Bluetooth communication - up to 40 m (131 ft)
WirelessHART and/or Bluetooth® communication interface, Operating frequency: 2.4 GHz (ISM band), Transmission range under reference conditions: WirelessHART communication - up to 200 m (656 ft), Bluetooth communication - up to 40 m (131 ft)
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