Application media
Artificial coal gas(GB13612-1992)?natural gas (GB17820-1999)?Liquefied petroleum gas(GB11174-1997)?air?inert gases?
Parameter
|
Item |
Unit |
pecification G4 | |
|
syscil volume |
d m³ |
2 | |
|
Nominal flow-rate(Qn) |
m³/h |
4 | |
|
Maximum flow-rataQmax) |
m³/h |
6 | |
|
Minimun flow-rata (Qmin) |
m³/h |
0.04 | |
|
totol pressure loss |
Pa |
=200 | |
|
operating pressure range |
kPa |
0.5~50 | |
|
Permissble error |
Qmin=Q<0.1Qmax |
% |
±3.0 |
|
0.1Qmax=Q=Qmax |
% |
±1.5 | |
|
Min.recording numeric |
dm3 |
0.2 | |
|
Max.recording numeric |
m3 |
99999.999 | |
|
operating ambient temperature |
? |
-20~+50 | |
|
service life |
year |
12 | |
In chiese "J" means domestic,for example Chinese J2.5 (equ.overseas G2.5) means domestic meter with Qn=2.5m3/h;
In chiese "G" means commercial,for example Chinese G25 (equ.overseas G25) means commercial meter with Qn=25m3/h.
G4 smart gas meter | |
 | |
Details | Order | | |