Quick Detail
Place of Origin
Brand Name
YJ
Model Number
YJSM
HS-CODE
85-
Package & Delivery Lead Time
Package
carton box
Delivery Lead Time
10-20 working days after receiving the deposit
Detailed Description
Touchless Type Prepaid Smart Water Meter With Brass Valve Control
Advantage
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Made of PPO which is up to the mustard of drinking water;
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Due to easily being operated by touch less card, this meter is all-sealed and good at water proof.
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Safely data save, 10 years data save after power off.
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Periodic open/close valve to prevent valve from rust buildup
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Battery can be used for 6 years due to low consumption design.
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Automatic close valve when being effected by strong magnet.
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Batter is easy to be replaced
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Patented ball valve which has high-temperature resistance, costs low consumption and causes low pressure loss
METER FUNCTION
1. Prepaid water meter, one meter accepts one user card only, blocking illegal cards;
2. One price/ multi price of water is available;
3. Inquiring, statistics, Refund, Re-issuing card, replacing meter;
4. Low credit alarm, Low battery alarm.
Key features
1. ISO 4064 Class B
2. Made of PPO or brass
3. LCD and Dry-Dial display
4. Horizontal installation
MAIN TECHNICAL DATA
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Type | Accuracy
Class | Max. Operating Pressure | Max. Operating Loss at Q3 | Temperature Class | (Q4) Max. Flow | (Q3) Nominal Flow | (Q2) Transitional Flow | (Q1) Min. Flow | Min. Reading | Max. Reading |
Pa | ( P ) | (0 C) |
m3/h
| m3 |
Cold water meter | Hot water meter |
DN 15 | B | 16 | 0.63 | 30 | 90 | 3.125 | 2.5 | 0.050 | 0.031 | 0,0001 | 99999 |
DN 20 | B | 16 | 0.63 | 30 | 90 | 5.0 | 4.0 | 0.080 | 0.050 | 0.0001 | 99999 |
DN 25 | B | 16 | 0.63 | 30 | 90 | 7.875 | 6.3 | 0.126 | 0.0787 | 0.0001 | 99999 |
- - - -
MAXIMUM PERMISSIBLE ERROR:
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At low zone is 5% from minimum flow rate (qmin) to transitional flow rate (qt) (exclusive boundary)
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At high zone is 2% from transitional flow rate (qt) to overload flow rate (qs)
DIMENSIONS
Service environment
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Indoor, Dry place
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Outdoor with meter box, being sheltered from direct sunlight
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Widely used in charges for tap water, hot water in the house, apartment, commercial buildings and other place
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China [CN] 
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