Endress+Hauser FLOWSIC550 ultrasonic flowmeter
Endress+Hauser IFL550 - Flow measurement - Repeatability: ≤ 0.1 %; Measuring principle: Ultrasonic transit time difference measurement; Medium temperature range: –40 °C ... +70 °C.
Endress+Hauser IFL550 is a Flow measurement catalog item from Endress+Hauser. The manufacturer's published data for this part number specifies Repeatability: ≤ 0.1 % and Measuring principle: Ultrasonic transit time difference measurement.
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 %
The specification set recorded for this part number covers Medium temperature range: –40 °C ... +70 °C; Digital communication: Modbus RTU Modbus ASCII; Nominal pipe size: DN 50 (2") … DN 150 (6"); Measuring Medium: Natural gas (dry, odorized), air. See the Specifications tab on this page for the full technical table.
| 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 % |
|---|---|
| Digital communication | Modbus RTU Modbus ASCII |
| 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) |
| 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 |
| 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 |
| Measuring principle | Ultrasonic transit time difference measurement |
| Medium temperature range | –40 °C ... +70 °C |
| Metrological approvals and certificates | MID: 2014/32/EU OIML R 137-1&2:2012 EN 12405: 2010 (for integrated volume correction) AGA 9, 2022 |
| Nominal pipe size | DN 50 (2") … DN 150 (6") |
| 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 |
| Repeatability | ≤ 0.1 % |
Frequently Asked Questions
How do I get pricing for IFL550?
KKM Solutions is a quote-based industrial supplier, so prices are not listed online. Send the quote form on this page with your quantity, or email orderdesk@kkmsolutions.com, and our order desk will reply with pricing and availability within 1 business day.
Who manufactures the IFL550?
IFL550 is a Endress+Hauser part. KKM Solutions sources Endress+Hauser components to the exact manufacturer specification and cross-checks every order against manufacturer part data before it ships.
What are the key specifications of IFL550?
Key specifications include 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 %; Digital communication: Modbus RTU Modbus ASCII; 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); 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. The full specification table on this page lists every published attribute for this part.
How quickly can IFL550 ship?
In-stock items are dispatched the same business day for orders placed by 3 PM; sourced and quoted items ship per the quoted lead time. KKM Solutions ships worldwide — to your site, warehouse, or freight forwarder.
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