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GALONMETER GL-AMR GPRS/Lora wireless water meter is IMPELLER (turbine) water meter with dry type register (liquid protected register as Option) for residential application with sizes from Dn15 to Dn600 designed by GALONMETER.
OPERATION of the water meter:
Water flows through the meter’s strainer and into the measuring chamber where it drives the impeller. A driving magnet transmits the movement of the impeller to a driven magnet located within the hermetically sealed register. The magnet is connected to a gear train which translates the impeller rotates into volume totalizators displayed on the register dial face.
CONSTRUCTION:
GALONMETER AMR GPRS/LORA Water Meter consists of Mechanical Water Meter, Electric Ball valve, Circuit Board (CPU), Battery.
Dimension:Size
Dn15
Dn20
Dn25
L - Length of Water Meter
165
190 or 195
225
L1
259
294 or 299
345
D – Body Thread
G3/4B
G1B
G1-1/4B
D – Connecting Thread
R1/2
R3/4
R1
H - height
118
106
110
W - Width
114
94
94
L1: the total length with connection and the gasket without compression.
Main Technical Data:
Size
mm
Dn15
Dn20
DN25
R
Q3/Q1
80
80
80
Q4
m3/h
3,125
5
7,875
Q3
m3/h
2,5
4
6,3
Q2
l/h
50
80
126
Q1
l/h
31,25
50
78,75
Max. Reading
m3
99999,9999
Min. Reading
Liter
0.05
Pressure Loss
ΔP
ΔP<63 at Q3
Max. Pressure
MAP
MAP16
Max. Temperature
℃
T30 or T50
Working Temperature: 0℃~+40℃
Power: DC3,6V (BY BATTERY)
Operating Current: <10mA
Quiescent Current: <15uA
Power-off Protect: 3V
CPU working Temperature: -10℃~+50℃
Date Protection: >10years
Max. Permission Error (for T30):
From Q1 inclusive up to but excluding Q2 is ± 5%; From Q2 inclusive up to and including Q4 is ± 2%;Main Function:
Notification Function: the remind volume less than the setting volume, LCD show the alarm code;
Cut-off Function: the remind volume is “0”, the valve cut-off;
Power off protection Function: the power is less than 3V, the valve closed, and all the date automatically saving;
Magnetic Protection Function: Valve automatically closed with outside stronger magnet interference, with magnet removing, valve open again;
Easy to change the Battery.
LCD with the Function as:The LCD will display as turn with the information:
Total Volume: Show as “Total V” - The total volume of the water pass through the water meter;
Current Volume: Show as “Current V” – The current purchase volume; Remain Volume: Show “Remain V” – the remaining volume of the water.