Brass Touchless Prepaid Water Meters 1/2 inch ISO464 Certificate

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Brass Touchless Prepaid Water Meters 1/2 inch ISO464 Certificate Quick Details Place of Origin: Shenzhen,China Brand Name: Hexcell Model Number: LXSGK-15/20/25 Size: DN15 ~ DN20 Standard: Class C Certificate:ISO464 Water Temperature: 0.1 ~ 40 Water Pressure: 1.0 MPa(1.6MPa on request) Color: Blue Product Description This water meter is type of Non-touched (Radio Frequency Card) .It mainly used for measuring the total quantity of water passing through the pipeline,for prepaid function .The user pay the water fee to management department,the management department write the quantity of purchased water into the IC card,when user plug the IC card into the water meter(Touched type) or approach to the sensor area (Non-touched type ), The purchased water will automatic record into the water meter .Later on,the water meter will automatically open the valve to provide water. The water meter will decrease the usable water following the used water of the user .Together with the shortage of usable water ,it will send the warning of purchasing the water ;When using up the water, the water meter will automatically shut down the valve, user need to repurchasing the water to open the valve. Radio frequency card prepaid water meter is the new measuring instrument employing the microprocessor to realize water collection,processing,display and reserving.It is the best choice for realizing intelligent control by most of tap water administrative bureaus,ideal for enhancing public awareness of saving water.This meter has many patents.Compared with traditional way,it can control user's overspend by prepaying for an RF card . Function&Features Its measurement and other performance reach to GB/T778.1-2007and CJ/T133-2012Construction Ministry standard . One card to one water meter :Applying faultless system,ensure the safety of the date of user . Anti-fake function :Using advanced encryption technique ,ensure the automatic recognition on any other illegal IC card which is not the permanent card this meter used . Anti-theft function :When there is ferromagnetic measurement-interference signal ,it will shut down the valve automatically until the ferromagnetic signal disappear ,avoid the ferromagnetic stealing the water . Low voltage protect function:When inner battery at low voltage ,it will shut down the valve automatically ,remind the user to inform relatively department changing the battery as soon as possible . Anti rust-dead function :It will automatically open the valve twice per month,avoid valve has the rust-dead situation after long non-using,promote working stability . Electrical Technical Data - - - - Working Current | Low Voltage Protection | Quiescent Current | Temperature | Battery Voltage | Nominal Pressure | Water Volume per 1 Pulse signal | 20mA | 2.4V | 15uA | 0.1 ~ 55 | 3.6V | 2.5V ~ 3.6V | 100L | - - - - Flow Technical Data - - - - Model No | Size | R (Flow turndown) | Q4 (Maximum Flow) | Q3 (Nominal Flow) | Q2 (Transitional Flow) | Q1 (Minimum Flow) | Min Reading | Max Reading | mm | Q3/Q1 | m/h | m | LXSGK-15E | 15 | 80 | 3 | 1.5 | 0.023 | 0.015 | 0.0005 | 99999 | LXSGK-20E | 20 | 80 | 3.6 | 2.5 | 0.038 | 0.025 | 0.0005 | 99999 | LXSGK-25E | 25 | 80 | 4.2 | 3 | 0.13 | 0.03 | 0.0005 | 99999 | - - - - Working Condition Working Temperature: Cold Water Meter(0.1 ~ 30),Hot Water Meter(0.1 ~ 90) Working Pressure:1.0MPa Working Power: 3.6V Lithium Battery Maximum Permit Error From transitional flow rate(Qt) to maximum flow rate Qmax:2% From minimum flow rate(Qt) to transitional flow rate Qmax:5% Installation and Maintenance The diameter of water meter is selected according to pipeline and flow rate ,not suitable for hot water . Installation position need to avoid exposure ,frozen,pollution ,flooding . Horizontal water meter be installed horizontally. For easily disassemble and assemble ,please make words face upward , and make the direction of the arrow on the case in the same direction of flow . New pipeline must clean up the stone, sand and other debrisbefore install the water meter ,to avoid the water meter breakdown . For collect measurement ,the faucet must higher than water meter ;the straight pipe connected to inlet of water meter must not less than 10D,the straight pipe connected to outlet of water meter must not less than 5D,D short for meter size. Water meter should not be directly connected to the pipe ,the connections between the meter andpipeline should adopted connecting pipe, gasket, coupling nut ;when assembly and disassembly,must not forcibly pull hard ,to avoid unnecessary wrenching of water meter case which affect thenormal operation of the water meter . Meter above is prohibited put any items. Pay attention to moisture-proof and damp-proof ,strictly prohibit water droplets penetrate into meter controller which would damage control system and affect the normal use of the water meter . Battery: 6 years

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Shenzhen Hexcell Electronics Technology Co., Ltd

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