Endress+Hauser FLOWSIC550 IFL550 ultrasonic flowmeter

$6,600.00

State-of-the-art technology for maximum measurement accuracy: The FLOWSIC550 ultrasonic compact gas flowmeter ensures highly accurate billing of low volume flows in high-pressure networks – a perfect complement to the FLOWSIC500. It is overload-proof, accurate and is monitored by an intelligent diagnostics system. FLOWSIC550 can be easily integrated into existing measuring stations. When used in transfer and measuring stations, FLOWSIC550 ensures a continuous and blockage-free gas supply.

FLOWSIC550 IFL550 ultrasonic flowmeter

High pressure gas flowmeter for natural gas distribution

Specs at a glance

  • Measured variables

    Volume a. c., volumetric flow a. c., gas velocity, volume s. c. (*), volume flow under s.c. (*)
    (*) additional function included with integrated volume correction

  • Measuring Medium

    Natural gas (dry, odorized), air

  • Nominal pipe size

    DN 50 (2″) … DN 150 (6″)

Field of application

State-of-the-art technology for maximum measurement accuracy: The FLOWSIC550 ultrasonic compact gas flowmeter ensures highly accurate billing of low volume flows in high-pressure networks – a perfect complement to the FLOWSIC500. It is overload-proof, accurate and is monitored by an intelligent diagnostics system. FLOWSIC550 can be easily integrated into existing measuring stations. When used in transfer and measuring stations, FLOWSIC550 ensures a continuous and blockage-free gas supply.

  • Gas Measurement of low volume applications at high pressures

  • Custody transfer: gas distribution, storage, and transmission systems

  • Town border stations and city gate stations

Device properties:

  • Diagnostics and permanent operational self-monitoring

  • Durable and reliable without moving parts

  • Compact meter installations

  • Integrated volume correction

  • Battery or intrinsically safe power supply

  • Bluetooth Low Energy (BLE)

Benefits

  • Ultimate measurement certainty and safety of continuous gas supply

  • Simple installation, replacement of turbine gas meters

  • Reduction of installation costs due to integrated volume correction

  • Easy Commissioning and data reading via FLOWgateTM (PC and App)

  • Minimal operating costs due to being nearly maintenance-free

  • Reliable even when the gas flow fluctuates (on/off applications)

  • Self-sufficient operation possible

Measuring principle

Ultrasonic transit time difference measurement

Measured variables

Volume a. c., volumetric flow a. c., gas velocity, volume s. c. (*), volume flow under s.c. (*)
(*) additional function included with integrated volume correction

Measuring Medium

Natural gas (dry, odorized), air

Repeatability

≤ 0.1 %

Accuracy

Qmin up to Qmax ≤ ± 1 %; Accuracy class 1; typical error limits

Qmin up to 0.1 Qmax ≤ ± 2 %; Accuracy class 1; maximum allowed error limits

0.1 Qmax up to Qmax ≤ ± 1 %; Accuracy class 1; maximum allowed error limits
After high pressure flow calibration: ±0.2 % at test pressure; otherwise ±0.5 %

Medium temperature range

–40 °C … +70 °C

Operating pressure range

ANSI300 (ASME B16.5) ≤ 48.7 bar (g); for –40 … +70°C

ANSI600 (ASME B16.5) ≤ 97.4 bar (g); for –40 … +70°C

PN40 (EN 1092-1) ≤ 40 bar (g); for –40 … +70°C

PN63 (EN 1092-1) ≤ 63 bar (g); for –40 … +70°C

Nominal pipe size

DN 50 (2") … DN 150 (6")

Metrological approvals and certificates

MID: 2014/32/EU
OIML R 137-1&2:2012
EN 12405: 2010 (for integrated volume correction)
AGA 9, 2022

Hazardous area approvals

IECEx:
Ex ia [ia Ga] T4 IIB Gb

ATEX:
II 2 (1)G Ex ia [ia Ga] T4 IIB Gb

NEC/CEC (US/CA):
Class I Division 1, Groups C, D T4 Ex ia [ia Ga] IIB T4 Gb
Class I, Zone 1 AEx ia [ia Ga] IIB T4 Gb

Digital Outputs

2x Pulse and Status (HF with fmax = 2kHz, LF with fmax = 10 Hz)

2x RS485, external powered

Encoder
HF pulses + malfunction, electrically isolated (fmax = 2 kHz)

Encoder + LF pulses, electrically isolated (fmax = 100 Hz)

Encoder + HF pulses, not electrically isolated (fmax = 2 kHz)

2x pulses, HF and LF, electrically isolated (fmax = 2 kHz / 100 Hz)

Digital communication

Modbus RTU
Modbus ASCII

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