Key Features
– Prepaid Water Meter: Pay-before-use mode for convenient billing.
– Water Meter with Multi-IC Card Support: Works with encrypted card types.
– Prepaid Water Meter with Valve Control: Cuts off water when credit runs out.
– Water Meter with LCD Display: Shows consumption and remaining balance.
– Water Meter with Anti-Tamper Detection: Also detects magnetic interference.
– Battery-Powered Water Meter: Long service life (≥6 years).
– IP68-Rated Water Meter: Waterproof and dustproof for durability.
Applications
– Water Meter for Residential Apartment Complexes: Fits multi-unit living.
– Water Meter for Tenant/Rental Management: Simplifies rental water billing.
– Water Meter for Public/Shared Water: Suits shared water resource use.
– Water Meter for Government/Institutional Supply: Works for official water systems.
– Water Meter for Smart Prepaid Infrastructures: Integrates with smart prepaid setups.
Function and Supply conditions
|
Parameter |
Value |
|
Working Voltage |
3.0V – 3.6V DC |
|
Battery Type |
Lithium Battery (Replaceable) |
|
Battery Life |
≥6 years |
|
Valve Control |
Motorized Ball Valve |
|
Display |
LCD |
|
Protection Grade |
IP68 |
|
Ambient Temperature |
-10°C to +50°C |
|
Water Temperature |
0.1°C to 30°C (cold), 0.1°C to 90°C (hot optional) |
|
Working Pressure |
≤1.6 MPa |
|
Data Transmission |
Infrared or RS485 (optional) |
Performance characteristics
|
Characteristic |
Details |
|
Accuracy Class |
Class B (ISO 4064) |
|
Data Storage |
10+ years (EEPROM) |
|
Communication |
IC Card / STS Token |
|
Tamper Detection |
Magnetic / Valve / Overload |
|
Cut-off Behavior |
Auto shutoff at zero credit or tamper |
Technical data sheet (DN15–DN40)
|
Model |
DN15 |
DN20 |
DN25 |
DN32 |
DN40 |
|
Q3 (m³/h) |
2.5 |
4.0 |
6.3 |
10.0 |
16.0 |
|
R (Q3/Q1) |
80 |
80 |
100 |
100 |
100 |
|
Q1 (L/h) |
31.25 |
50.0 |
63.0 |
100.0 |
160.0 |
|
Q4 (m³/h) |
3.125 |
5.0 |
7.875 |
12.5 |
20.0 |
|
Pressure Loss (ΔP) |
≤63 kPa |
Pressure Loss (ΔP) |
≤63 kPa |
Pressure Loss (ΔP) |
≤63 kPa |
|
Accuracy |
±2% |
Accuracy |
±2% |
Accuracy |
±2% |
|
Length (mm) |
165 |
190 |
260 |
260 |
300 |
|
Connection Thread |
G¾B |
G1B |
G1¼B |
G1½B |
G2B |
Parameters
|
Size |
DN15 |
DN20 |
DN25 |
DN32 |
DN40 |
|
Minimum Reading |
0.0001 m³ |
Minimum Reading |
0.0001 m³ |
Minimum Reading |
0.0001 m³ |
|
Maximum Reading |
99999 m³ |
Maximum Reading |
99999 m³ |
Maximum Reading |
99999 m³ |
|
Valve Type |
Ball Valve |
Valve Type |
Ball Valve |
Valve Type |
Ball Valve |
|
Protection |
IP68 |
Protection |
IP68 |
Protection |
IP68 |
|
Transmission |
IC / STS |
Transmission |
IC / STS |
Transmission |
IC / STS |
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