Volume a. c., volumetric flow a. c., gas velocity, volume s. c. (*), volume flow under s.c. (*) (*) additional function included with integrated volume correction
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
Repeatability
≤ 0.1 %
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 %
Medium temperature range
–40 °C ... +70 °C
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
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 volume correction) AGA 9, 2022
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
Digital Outputs
2x Pulse and Status (HF with fmax = 2kHz, LF with fmax = 10 Hz)
