2
Menu Contents
instantaneous flow (m³
/h)
cumulative flow (m³
)
screen detection
meter address
cumulative working time (h)
date (yy-mm-dd)
software version
diameter
Display Range
cumulative flow: 0m³
~
＋
9999.9999m³
Communication
Photoelectric Interface
baud rate: 2400bps
based on CJ/T 188 self-defined protocol
Wireless
Communication
communication method: LoRa
frequency: 470MHZ-510MHZ
transmission distance:
≧
3000m (open place)
based on CJ/T 188 self-defined protocol
Power Supply
battery power supply DC3.6V
(work continuously for more than 6 years)
Power Consumption
＜
0.2mW
Waterproof Rate
IP68
Storage Temperature
-25℃
～
+55℃
Cable Length
1.0m
Installation Position
inflow pipe
Table 2-1
Technical Details – 213G
2.2
Flow Parameters
Diameter
Permanent
Q
3
（
m³/h
）
Transitional
Q
2
（
m³/h
）
Minimum
Q
1
（
m³/h
）
Overload
Q
4
（
m³/h
）
DN15 (R250)
2.5
0.016
0.010
3.125
DN15 (R400)
2.5
0.010
0.00625
3.125
DN20 (R250)
4.0
0.025
0.016
5.0
DN20 (R400)
4.0
0.016
0.010
5.0
DN25
(R250)
6.3
0.04
0.0252
7.875
DN25 (R400)
6.3
0.025
0.016
7.875
DN32 (R250)
10
0.064
0.04
12.5