D-GR1 is high-precision smart diaphragm gas meter with additional signal detector, communication module, temperature/pressure sensors and other necessary components to best support multifunctionalities such as automatic meter reading, tiered billing, remote valve control, automatic abnormal condition alarms, prepayment and post payment, etc.
|
Parameters |
Unit |
G1.6 |
G2.5 |
G4.0 |
|
|
Maximum Flowrate (Qmax) |
m³/h |
2.5 |
4 |
6.0 |
|
|
Minimum Flowrate (Qmin) |
m³/h |
0.016 |
0.025 |
0.040 |
|
|
MPE |
Qmin≤Q<0.1Qmax |
% |
± 3.0 |
||
|
|
0.1Qmax≤Q≤Qmax |
|
± 1.5 |
||
|
Accuracy |
/ |
Class 1.5 |
|||
|
Maximum Pressure Absorption |
Pa |
≤250 |
|||
|
Humidity |
% |
≤95 |
|||
|
Maximum Working Pressure |
kPa |
50 |
|||
|
Storage Temperature |
℃ |
-25 ~ 55 |
|||
|
Gas Temperature Range |
℃ |
-25 ~ 55 |
|||
|
Overall Dimensions |
/ |
195*170*220 |
|||
|
Protection Grade |
/ |
IP65 |
|||
|
Medium |
/ |
NG / LPG |
|||
|
Battery |
/ |
3.6 V Lithium battery |
|||
|
Lifespan |
year |
≥ 10 |
|||
|
Thread |
/ |
G1¼" / Customized |
|||
|
Electronical Environment |
/ |
E2 |
|||
|
Mechanical Environment |
/ |
M1 |
|||
|
Case Material |
/ |
Steel |
|||
|
Communication |
/ |
LTE/GPRS/NFC |
|||
|
A(mm) |
B(mm) |
C(mm) |
D(mm) |
E(inch) |
|
110 |
195 |
220 |
170 |
G1½" |
