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.
Ultrasonic transit time difference measurement
Volumetric flow a. c., volume a. c., gas velocity, Speed of sound, optional volume correction via integrated, electronic volume corrector (EVC)
Natural gas (with up to 30% hydrogen), air, natural gases containing increased levels of CO2, N2, H2S, O2, H2
≤ 0.05 % of the measured value (typical)
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.
–46 °C … +180 °C / -51 °F … +356 °F
On request:–194 °C … +280 °C / –381 °F … +536 °F
0 bar (g) … 450 bar (g) 0 psi (g) … 6527 psi (g)
3 ″ … 56 ″
(DN 80 … DN 1400), other nominal pipe sizes on request
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
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
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)
