Technical Data - Elster RGV Mode D'emploi

2. Technical Data

Rotary gas meters in accordance with DIN EN 12480
Type
Size:
Nominal diameter:
Pressure ratings:
Temperature ranges:
– Gas
– Ambient
Housing material:
Pulse generators
LF pulse generator E1
(reed contact)
U = 24 V
max
I = 50 mA
max
P = 0.25 VA
max
= 100 Ω (series resistor)
R
i
Absolut ENCODER S1D
Number of counters
Number of digit rollers per counter
Temperature range
Safety class
Interfaces
ATEX approval
LF pulse generator
© Elster GmbH · All rights reserved · Subject to technical modification
RVG-ST
G10 to G25
DN 25 to DN 50
PN 10/16 or ANSI 150
Aluminium
Wiegand pulse generator
U = 30 V
max
I = 100 mA
max
P = 600 mW
max
NAMUR (II 2 G EEx ia IIC T4) or
Optional or retrofittable INS-10, -11, -12
U = 24 V, I
max
Elster-Instromet
RVG
G16 to G400
DN 40 to DN 150
-20 °C to +60 °C
-20 °C to +70 °C
Spheroidal graphite cast iron
or aluminium
HF pulse generator
(in accordance with
DIN EN 50227)
U = 8 V DC
rated
I 2.1 mA (exposed)
I 1.2 mA (covered)
U  5.9 V (exposed)
U Π6.8 V (covered)
R = 1 kΩ
i
Absolut ENCODER S1D
Counter
2
8
-20 °C to +60 °C
IP 67
SCR (II 2 G EEx ib IIB T4) or
M-BUS
= 50 mA, P
max max
= 100 Ω (series resistor)
R
i
= 0.25 VA,
7