Prepaid Token Water Meter
Features:
Type： Prepaid Water Meter
Standard： ISO 4064 ClassB
Color： white&blue
Size： DN15mm~DN25mm (1 /2''~1-1/2'')
Certificate： ISO4064
Feature： Digital Water Meter Display
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Parameter:
| Types | DN15 | DN20 | DN25 |
| Accuracy | Class2 | ||
| leakage | 1.6Mpa water pressure, no leakage within 15 minutes. | ||
| lenght | 165mm | 195mm | 225mm |
| Overload flow | 3.125m³/h | 5m³/h | 7.875m³/h |
| parmanent flow | 2.5m³/h | 4m³/h | 6.3m³/h |
| Transitional flow | 0.05m³/h | 0.08m³/h | 0.126m³/h |
| Minimum flow | 0.0313m³/h | 0.05m³/h | 0.0788m³/h |
| Starting flow | ≤0.012m³/h | ≤0.016m³/h | 0.020m³/h |
| Lowest reading | 0.0001m³ | ||
| Largest reading | 99999.9999m³ | ||
| Small flow errors | ≤±5% | ||
| Flow errors | ≤±2% | ||
| Work temperature : | 0℃—30℃(water meter) | ||
| Work pressure : | 0.0——1.0Mpa | ||
Standards&Features:
IC card smart prepaid digital water meter product features:
--Using non-contact IC card technology, wireless data transmission is used to solve the problems of waterproof, moisture-proof and anti-attack.
--micro-power technology: Usually power consumption is less than 0.5μA, so that the battery life greatly increased, to ensure the use of more than 6 years.
--electric suspension ball valve technology: anti-locking, non-fouling characteristics, can achieve low pressure loss, wear, power consumption, anti-rust, anti-blocking effect.
--automatic valve discharge, anti-blocking, anti-rust technology: valve timing automatically switch action, the effective use of pipeline pressure caused by the instantaneous impulse of water, to achieve automatic valve discharge, to prevent valve rust die, fouling and other phenomena.
--full seal design: all lines are all sealed with epoxy resin, good sealing.
--anti-external, magnetic attack technology: When the external power, magnetic attack, the meter will automatically close the valve.
Work power supply:
The operating voltage of alternating current or direct current shall be in the range of -15% to 10% of the standard voltage and the frequency of AC frequency should be ± 2% of the standard frequency.
Card water meter should add the following requirements:
--work pressure: 3.0V~3.6V
--Static operating current: ≤5μA
--LCD display range: 00000.0~99999.9
--Climate and mechanical environment grade B
--Electromagnetic environment class E1 level
Working conditions:
|
Flow range: |
Q1~Q3 (Q4 short time work not change error) |
|
Ambient temperature: |
5℃~55℃ |
|
Ambient moisture: |
(0~93)%RH |
|
Water temperature: |
cold water meter 1℃~40℃, hot water meter 0.1℃~90℃ |
|
Water pressure: |
0.03MPa~1MPa (short time work 1.6MPa not leak, no damage) |
|
Pressure loss: |
≤0.063MPa |
Main technical parameters:
|
Model-DN |
Flow range |
Q3 |
Q4 |
Q2 |
Q1 |
Min. reading |
Max. reading |
|
|
Q3/Q1 |
Q2/Q1 |
m3/h |
m3 |
|||||
|
LXSK-15 |
80 |
1.6 |
2.5 |
3.125 |
0.05 |
0.03125 |
0.0001 |
999999 |
|
LXSK-20 |
80 |
1.6 |
4.0 |
5.0 |
0.08 |
0.05 |
0.0001 |
999999 |
|
LXSK-25 |
80 |
1.6 |
6.3 |
7.875 |
0.126 |
0.07875 |
0.0001 |
999999 |
|
LXSK-32 |
80 |
1.6 |
10 |
12.5 |
0.2 |
0.125 |
0.0001 |
999999 |
|
LXSK-50 |
80 |
1.6 |
25 |
31.25 |
0.5 |
0.3125 |
0.0001 |
999999 |
Case:
WESDOM ultrasonic wall mounted type flow meter deliver to Denmark
WESDOM ultrasonic wall mounted type flow meter have delivered to Denmark.
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Application:
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