Features

Values

Minimum Flow rate (Qmin)

RSE / 1,2 LA
G1.6 = 0.016 m³/h | 0.6 cfh G2.5 = 0.025 m³/h | 0.9 cfh G4 = 0.04 m³/h | 1.4 cfh

RSE / 2,4 LA
G4 = 0.04 m³/h | 1.4 cfh G6 = 0.06 m³/h | 2.1 cfh

Maximum Flow rate (Qmax)

RSE / 1,2 LA
G1.6 = 2.5 m³/h | 88.3 cfh G2.5 = 4 m³/h | 141.3 cfh G4 = 6 m³/h | 211.9 cfh

RSE / 2,4 LA
G4 = 6 m³/h | 211.9 cfh G6 = 10 m³/h | 353.1 cfh

Start Flow rate (Qstart)

RSE / 1,2 LA
G1.6 = 3 dm³/h | 0.10 cfh G2.5 = 5 dm³/h | 0.17 cfh G4 = 5 dm³/h | 0.17 cfh

RSE / 2,4 LA
G4 = 5 dm³/h | 0.17 cfh G6 = 8 dm³/h | 0.28 cfh

Maximum Operating Pressure*

up to 50 kPa | up to 500 mbar

Pressure drop

≤ 0.2 kPa @Qmax | ≤ 2 mbar @Qmax

Ambient temperature*

from -25 °C to 55 °C | from -13 °F to 131 °F

Gas temperature range*

from -25 °C to 55 °C | from -13 °F to 131 °F

Accuracy class

1.5 (class 1 on request)

Ingress protection

Compliant to IP55

Metrological power supply and operating lifetime

Lithium battery: 15-20 years (non-replaceable).

Remote communication power supply and operating lifetime

Lithium battery
Up to 20 years (field replaceable) depending on remote communcation interface

Remote communication interface

NB-IoT, GPRS, RF Wireless M-Bus @169 MHz mode N and 868 MHz

Local interface

Infrared optical door ZVEI in accordante to norm EN 62056-21

Communication application protocol

DLMS, UNI/TS 11291 compliant

Measuring Gas

Natural Gas (2nd family - group H, L and E and 3rd family - according to EN 437)

Environment classes

M2/E2

Open location marking

H3

High Ambient Temperature approved

T

ATEX classification

II 3G Ex ic IIB T3 Gc

Gas volume compensation

•     Temperature Compensated (TC): RSE version
•     Non Temperature Compensated (NTC): RSV version

Connections

1’’ 1/4 ISO 228, 2” ISO 228 mono pipe (others on request)