"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"
"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"
