RF Card Radio Frequency Water Meter , Household Prepaid Smart Water Meters - YJRF
RF Card Radio Frequency Water Meter , Household Prepaid Smart Water Meters For Sale, Most Competitive Price, Fast Delivery, Custom Service, Wholesale RF Card Radio Frequency Water Meter , Household Prepaid Smart Water Meters, Made in China, High Quality Products!, China cheap prodocuts, china suppliers Supplier, Manufacturer.
20mm Smart High Accuracy RF Card Prepaid Water Meter With Brass Body
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Benefits
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1. One or several Mifare card prepaid meter for one family; one card for several meters is available, including cold, hot and purified water meter, electricity meter and gas meter.
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2. Superior Waterproof performance thanks to the sealed design, easy to operate by data storage reliable and rapid response Mifare card.
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3. Low credit warning by closing the valve, and this time the valve can be opened by inserting the card. The valve closes when no balance and reopened by re-debited card.
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4. Internal clock circuit switches the valve regularly to prevent the valve rusting, plugging up, etc.
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5. Detailed LCD display, the data can be saved when the power off.
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6. Patent ball valve, resists high temperature, low power consumption, low pressure loss.
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7. Low battery alarm, battery life is more than 6 years based on low power consumption design.
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8. Accurate measure due to anti-jamming and magnetic features based on non-magnetic sample patents technology.
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Features
# ISO4064 Class B
# Multi-Jet
# Made in plastic or brass
# Electronic meter with mechanical register
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Meter function
# Prepaid water meter, one meter accepts one user card only, blocking illegal cards
# One price/ multi price of water is available
# Inquiring, statistics, Refund, Re-issuing card, replacing meter
# Low credit alarm, Low battery alarm
Service environment
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Widely used in household fees and charges for tap water, hot water in the home, apartment, commercial buildings and other place. Indoor or outdoor with meter box, being sheltered from direct sunlight.
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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 |
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MAXIMUM PERMISSIBLE 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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DIMENSIONS
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Hebei Yuanjiang Instrument Technology Co., Ltd
Address: Jinlifang Building 2-2-403, Lirang Street,Shijiazhuang, Hebei Province, China, Shijiazhuang, Hebei, China, 050000
Tel: 86-311-66693846
It was founded in 2002 and located in Shijiazhuang, Hebei Province. It covers an area of more than 35000 銕?and has about 600 workers, with a group of experienced and qualified administrators, QC Assistants and research fellows. We have certificate of ISO.
