Endress+Hauser FLOWSIC500 IFL500 ultrasonic flowmeter

$3,600.00

The FLOWSIC500 ultrasonic flowmeter enables extremely accurate natural gas distribution measurement. It is overload-proof, accurate and is monitored by an intelligent diagnostics system. It can easily be integrated into existing measuring stations. It operates either in a self-sufficient energy configuration or in failsafe network operation with battery back-up. It complies with all pertinent standards and directives and provides the security of a continuous and blockage-free gas supply.

FLOWSIC500 IFL500 ultrasonic flowmeter

Custody transfer measurement in 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)

  • Nominal pipe size

    DN 50 (2″) … DN 150 (6″)

Field of application

The FLOWSIC500 ultrasonic flowmeter enables extremely accurate natural gas distribution measurement. It is overload-proof, accurate and is monitored by an intelligent diagnostics system. It can easily be integrated into existing measuring stations. It operates either in a self-sufficient energy configuration or in failsafe network operation with battery back-up. It complies with all pertinent standards and directives and provides the security of a continuous and blockage-free gas supply.

  • Natural gas distribution in transfer and measuring stations for municipal and regional gas suppliers

  • Measuring stations in industrial and commercial applications

Device properties:

  • Diagnostics and permanent operational check

  • Rugged and reliable due to lack of moving parts

  • Exchangeable cartridge

  • Straight inlet/outlet zone not required

  • Overload-proof

  • Optional integrated flow conversion / date registration

  • Battery or intrinsically safe power supply

Benefits

  • Highest measurement certainty and safety of continuous gas supply

  • Reduction of installation costs due to integrated flow conversion

  • Simple installation, compatible with conventional technologies (turbine and rotary
    displacement meters)

  • Minimal operating costs due to being nearly maintenance-free

  • Simplified recalibration due to straightforward cartridge exchange

  • Reliable under dynamic load changes

  • Self-sufficient operation

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)

Repeatability

≤ 0.1 %

Accuracy

Qmin up to 0.1 Qmax ≤ ± 1 %

0.1 Qmax up to Qmax ≤ ± 0.5 %
Accuracy class 1; maximum allowed error limits

Qmin up to 0.1 Qmax ≤ ± 2 %

0.1 Qmax up to Qmax ≤ ± 1 %
After high pressure flow calibration: ±0.2 % at test pressure; otherwise ±0.5 %

Medium temperature range

-25 °C … +60 °C
Optional: –40 °C … +70 °C

(–13 °F … +140 °F
Optional: –40 °F … +158 °F)

Operating pressure range

PN16 (EN 1092-1): 0 bar (g) … 16 bar (g) / 0 psi(g) … 232 psi(g)

Class 150 (ASME B16.5): 0 bar (g) … 20 bar (g) / 0 psi(g) … 290 psi(g)

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 flow conversion)

Hazardous area approvals

IECEx
Ex ia [ia] IIC T4 Gb, Ex op is IIC T4 Gb

ATEX
II 2G Ex ia [ia] IIC T4 Gb, II 2G Ex op is IIC T4 Gb

NEC/CEC (US/CA)
CSA: I.S. for Class 1 Division 1 Groups C and D T4; Ex/AEx ia IIB T4 Ga

Digital Outputs

Configurations:
LF pulses + malfunction, electrically isolated (fmax = 100 Hz)

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

R-S485 (external powered, in combination with LF- or HF pulses)

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