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Prepaid Ultrasonic Water Meter
$9.99
≥100 Piece/Pieces
| warranty period : | 3 Years |
|---|
Product description
Ultrasonic Water Meter is produced in the versions for cold water (50℃) where flow is in one direction for residential applications include the diameters 15mm to 20mm.Compact structure and multiple communication options are the main features of this residential ultrasonic water meter.
Features:
Ultrasonic water meter
Communication: M-BUS, RS-485, Pulse output
Sizes: DN15mm to DN20mm, (1/2” – 3/4”), Available for cold water (50°C)
Waterproof standard: IP 68
Accuracy: R160
Life span: 10 years battery
Working Conditions:
Water temperature：≤50℃ for cold water meter
Working pressure：≤1.6Mpa
Main
Technical Data:
|
ltem |
Parameter |
|
Meter Type |
Ultrasonic Water Meter |
|
Nominal Diameter (mm) |
DN15~DN20 |
|
Q3/Q1 |
R160 |
|
Measured medium |
Water, homogeneous liquid, and filled with measured pipes. |
|
Accuracy class |
Class 2 |
|
Water pressure class |
1.6MAP |
|
Pressure-loss class |
Ap40 |
|
Temperature class |
T50 |
|
Installation position |
H/V |
|
The installation sensitivity |
U10/D5 |
|
Electromagnetic class |
E1 |
|
Environmental class |
c |
|
Keypress |
Magnetic induction key |
|
Types of Indicating device |
LCD:9-digits,o~99999.9999m3 |
|
Menu Contents |
Instantaneous
flow(m3/h), cumulative flow(m3), screen detection, table address, |
|
Communication Interface |
Photoelectric |
|
Power Source |
Lithium battery ER18500(replaceable) |
|
Battery Voltage &Capacity |
3.6V , 4000mAh |
|
Life span |
10 years. |
|
lP code |
IP68 |
|
Storage Temperature |
-25℃~+55℃ |
|
Parameter |
Unit |
Data Value |
|
|
Nominal Diameter |
DN15 |
DN20 |
|
|
Qmin(Q1) |
L/h |
15.625 |
25 |
|
QTransitional(Q2) |
25 |
40 |
|
|
Qn/permanent(Q3) |
M3/h |
2.5 |
4 |
|
Qoverload(Q4) |
3.125 |
5 |
|
|
Range ratio=Q3/Q1 |
160 |
||
|
Temperature |
T50 |
||
|
Battery life |
Year |
>10 |
|
INDICATING ERROR
At low zone is ±5% from minimum flow rate (qmin) to transitional flow rate (qt) exclusive boundary
At high zone is ±2% from transitional flow rate (qt) to overload flow rate (qs)
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