
Specs at a glance
-
Measured variables
Volumetric flow a. c., volume a. c., gas velocity, Speed of sound, optional volume correction via integrated, electronic volume corrector (EVC)
-
Measuring Medium
Natural gas (with up to 30% hydrogen), air, natural gases containing increased levels of CO2, N2, H2S, O2, H2
-
Nominal pipe size
3 ″ ... 56 ″
(DN 80 ... DN 1400), other nominal pipe sizes on request
Field of application
FLOWSIC600-XT is available in variants with 4, 4+1, 4+4, and 8 measurement paths. In addition to the OIML R 137 Class 1.0 requirements, FLOWSIC600-XT meets the requirements of Class 0.5 and AGA9 in their entirety. FLOWSIC600-XT contains i-diagnostics™ – an intelligent application diagnostics function – and PowerIn Technology™ for continuous measurement operation for up to three weeks in the event of a mains voltage failure. For the very best possible measurement accuracy and long-term stability.
Custody transfer measurement of natural gas
Custody transfer measurement of natural gas with up to 30% H2
Transport and storage of gas
Onshore and offshore applications
Device properties:
Automatic adjustment of pressure and temperature influences
Available for all operating conditions
PowerIn Technology™ for reliable backup operation
Intelligent application diagnostics with i-diagnostics™
Measuring capability up to 30% hydrogen in natural gas
Benefits
Low measurement uncertainty in every application
Excellent measurement data reliability and availability
The right ultrasonic gas flow measuring device for every application – without compromise
Simple device integration – even in compact systems
Quick and easy commissioning and checks
Economical quantification of the H2 content in natural gas
Xpert selection
-
Specialized products
- Designed for demanding applications
Technical excellence
Simplicity
Variable

-
Standard products
- Reliable, robust and low-maintenance
Technical excellence
Simplicity
-
Specialized products
- Designed for demanding applications
Technical excellence
Simplicity
Variable
FLEX selections | Technical excellence | Simplicity |
---|---|---|
Fundamental selection Meet your basic measurement needs |
Technical excellence
|
Simplicity
|
Lean selection Handle your core processes easily |
Technical excellence
|
Simplicity
|
Extended selection Optimize your processes with innovative technologies |
Technical excellence
|
Simplicity
|
Xpert selection Master your most challenging applications |
Technical excellence
|
Simplicity
Variable |
-
Measuring principle
Ultrasonic transit time difference measurement
-
Measured variables
Volumetric flow a. c., volume a. c., gas velocity, Speed of sound, optional volume correction via integrated, electronic volume corrector (EVC)
-
Measuring Medium
Natural gas (with up to 30% hydrogen), air, natural gases containing increased levels of CO2, N2, H2S, O2, H2
-
Repeatability
≤ 0.05 % of the measured value (typical)
-
Accuracy
4-path and 8-path version ≤ ± 0.5 % | (≤ ± 1%) Dry-calibrated
4-path and 8-path version ≤ ± 0.2 % | (≤ ± 0.5%) After flow calibration and alignment using constant factor. Without the calibration uncertainty of the test bench.
4-path and 8-path version ≤ ± 0.1 % | (≤ ± 0.2%) After flow calibration and alignment using polynomial or piecewise correction. Without the calibration uncertainty of the test bench. -
Medium temperature range
–46 °C ... +180 °C / -51 °F ... +356 °F
On request:–194 °C ... +280 °C / –381 °F ... +536 °F -
Operating pressure range
0 bar (g) ... 450 bar (g) 0 psi (g) ... 6527 psi (g)
-
Nominal pipe size
3 ″ ... 56 ″
(DN 80 ... DN 1400), other nominal pipe sizes on request -
Metrological approvals and certificates
OIML R 137-1&2:2012 (class 0.5)
OIML D 11:2013
ISO 17089-1
AGA-Report Nr. 9
MID: 2014/32/EU
PED: 2014/68/EU
ASME: B16.5, B16.47 A/B
ATEX: 2014/34/EU
EMC: 2014/30/EU
GOST 8.611-2013
GOST 8.733-2011
CPA: JJG1030-2007
PCEC: GB 3836.1-2010, GB 3836.2-2010, GB 3836.4-2010, GB/T 3836.22-2017 -
Hazardous area approvals
IECEx
Ex db ia op is [ia Ga] IIA/IIC T4 Gb
Ex db eb ia op is [ia Ga] IIA/IIC T4 Gb
Ex ia op is IIA/IIC T4 Ga
ATEX
II 2 (1) G Ex db ia op is [ia Ga] IIA/IIC T4 Gb
II 2 (1) G Ex db eb ia op is [ia Ga] IIA/IIC T4 Gb
II 1G Ex ia op is IIA/IIC T4 Ga
NEC/CEC (US/CA)
Explosion-proof / non-incendive:
CI I, Div. 1 Group D, T4 / Ex d ia [ia Ga] IIA T4 Gb / Cl I, Zone 1 AEx d ia op is [ia Ga] IIA T4 Gb
CI I, Div. 1 Groups B, C, D, T4 / Ex d ia [ia Ga] IIC T4 Gb / Cl I, Zone 1 AEx d ia op is [ia Ga] IICT4 Gb
Intrinsically safe:
CI I, Div. 1 Group D T4 / Ex ia IIA T4 Ga / Cl I, Zone 0, AEx ia op is IIA T4 Ga
CI I, Div. 1 Groups A, B, C, D, T4 / Ex ia IIC T4 Ga / Cl I, Zone 0, AEx ia op is IIC T4 Ga -
Digital Outputs
4 outputs: 2 x status, 2 x pulse:
≤ 30 V, 50 mA
Passive, electrically isolated, open collector or conforming to NAMUR (DIN EN 60947-5-6), fmax = 10 kHz(scalable) -
Digital communication
Modbus TCP
Choose from our suggested options
-
-- selected coding-- selected label99.999,00<%label%>
-
Looking for more options? Please use the individual configurator to continue
-
-- selected coding-- selected label99.999,00<%feature%>
-
<%label%>99.999,00
-
Looking for more options? Please use the individual configurator to continue
-
Process Connection
-
<%label%>99.999,00
-
<%label%>99.999,00
-
-
<%feature%><%coding%><%label%>
- CAD drawings CAD drawings
- CAD drawings
-
Prices per piece
-
<%range%><%price%>
-
- Optional add-ons