雷电冲击试验设备装置
Lightning Impact test equipment device
变压器测试仪器
Transformer testing equipment
GIS电器开关断路器测试仪器
GIS electrical switch circuit breaker test equipment
高压避雷器测试仪器
High-voltage arrester testing instruments
接地电阻测试仪器
Ground Resistance testing equipment
带电作业工器具及
其他电工仪表设备
Charged operating the equipment and other electrical instrumentation
交直流试验电源设备
(无局部放电试验变压器)
AC-DC power supply test equipment (no PD test transformer)
电气绝缘测试仪器
Electrical insulation testing equipment
二次回路继电保护装置测试仪器
Secondary circuit protection device to test equipment
互感器检定及测试设备
Transformers test and test equipment
电缆故障测试仪器
Cable Fault testing equipment
电参表校验仪器
Calibration equipment, the Senate table

   HRHG雷电冲击电压发生器试验装置
     Lightning impulse voltage generator testing device
     HRHG


   HRHGA雷电冲击电流发生器试验装
     Lightning impact of current generator testing
     device HRHGA


   HRHG-DIMS1/2/3B全自动雷电冲击试验测量系统
     Automatic lightning impact test measurement system
     HRHG-DIMS1/2/3B


   HRHGCS-2000A全自动雷电冲击试验控制系统
     Automatic control system lightning impact test
     HRHGCS-2000A


   HRHG23雷电冲击峰值电压表
     Lightning impact of the peak voltage meter HRHG23


   HRHG23A雷电冲击峰值电流表
     Lightning impact peak Ammeter HRHG23A


   雷电冲击电压(电流)发生器试验系统设备技术升级改造
     Lightning impulse voltage (current) system test
     equipment generator technology upgrading technology
     upgrading equipment

   HRFRC Impulse capacitor divider
   HRZT-(1A-80A)直流电阻快速测试仪(1A-80A)
     Quick test for DC Resistance (1 A-80A) HRZT(1A-80A)

   HRBRTC变压器绕组特征变形测试仪
     Transformer winding characteristics of deformation
     tester HRBRTC


   HRBT变压器电气特性全自动综合试验台
     Electrical transformer of automatic comprehensive
     test-bed HRBT


   HRBZ全自动变比组别测试仪
     Automatic variable than the group Tester HRBZ


   HRDC智能型电气参数测量仪
     Intelligent electrical parameters measuring
     instrument HRDC


   HRBCD智能型变压器空载负载损耗及容量分析测试仪
     Intelligent Transformer empty load loss tester
     HRBCD


   HRKFR变压器空载负载损耗及容量分析测试仪
     Transformer load loss and no-load capacity of
     Tester HRKFR


   HRRC变压器容量分析 测试仪
     Transformer capacity of Tester HRRC


   HRBC变压器有载分接开关测试仪
     Transformers OLTC Tester HRBC


   HRJZK发电机转子交流阻抗测试仪
     Generator rotor impedance tester HRJZK


   HRSFQ三倍频电源发生器
     Tripler power generator HRSFQ
   HRWGS抗干扰全自动介质损耗测试仪
    
Anti-jamming automatic dielectric loss tester HRWGS

   HRYWGS异频全自动介质损耗测试仪
     Automatic different frequency dielectric loss 
     tester HRYWGS


   HRWGS-Y一体化精密油介损体积电阻率测试仪
     Integration of sophisticated oil-loss volume
     resistivity Tester HRWGS-Y


   HRIJJ-80 全自动绝缘油介电强度测试仪
     Automatic insulating oil dielectric strength
     tester HRIJJ-80


   HR-2671 数字化绝缘电阻测试仪
     Digital insulation resistance tester HR-2671

   HR-5/10kV测吸收比和极化指数绝缘电阻测试仪
     Measuring absorption ratio and polarization index
     insulation resistance tester HR-5/10kV


   HR-2.5/5kV指针式绝缘电阻测试仪
     Pointer insulation resistance tester HR-2.5/5kV

   HRZLY真空滤油净油机
     Insulating oil filter vacuum HRZLY


   HRSP绝缘油气相色谱分析仪
     Insulation oil and gas chromatography analyzer
     HRSP-9
   HRGKC高压开关动特性测试仪
     High voltage switch dynamic characteristics test
     instrument HRGKC


   HRHLY-100A接触(回路)电阻测试仪
     
Contacts (circuit) resistance tester HRHLY-100A

   HRZDC真空开关真空度测试仪
     
Vacuum switch vacuum tester HRZDC

   HRDWS-IIC数字式SF6微量水分测试仪
     
Digital SF6 trace moisture tester HRDWS-IIC

   HRLF-ID高精度SF6气体检漏仪
     High-precision SF6 gas leak detectors HRLF-ID


   HRSF6高精度SF6气体放电分解物分析仪
     
High-precision SF6 gas discharge decomposition of
     analyzer HRSF


   HRLH1-10Y-10-30移动式SF6气体回收充气装置
    
Mobile SF6 gas recovery inflatable device
     HRLH1-10Y-10-30


   HRGKJ-I高低压开关柜通电试验台
     High-voltage power low-voltage switchgear test bed
     HRGKT-I


   HRMJC SF6 智能密度继电器校验仪
     
SF6 intelligent density relay calibrator HRMJC

   HRPZH 高精度SF6气体质量分析综合测试仪
     SF6 gas HRPZH high-precision analysis of the
     quality  of the comprehensive test
   HRYBJ氧化锌避雷器特性测试仪
    
MOA of Tester HRYBJ

   HRYBS-30kV氧化锌避雷器直流参数试验仪
     MOA DC-test parameters HRYBS-30kV


   HRFJX避雷器放电计数器检测仪
     Arrester discharge counter detector HRFJX


   HRZGF直流高压发生器
    
DC high-voltage generator HRZGF

   HRSQ双钳口接地电阻测试仪
    
Two-Qiankou ground resistance tester HRSQ

   E-2000钳形接地电阻测试仪
    
Clamp ground resistance tester E-2000

   HRDER-2571数字式接地电阻测试
     Digital ground resistance tester HRDER-2571

   HR高压铁塔接地电阻测试仪
     High-voltage transmission tower ground resistance
     tester HR


 
   HRWGR大地网接地电阻测试仪
    
Geodetic network ground resistance tester HRWGR

   ZC-8接地电阻测试摇表
    
Grounding resistance testing shake table ZC-8

   HRJDT接地引下线导通测试仪
    
Grounding Yin Xiaxian on-tester HRJDT

   HRZJ3微机型抗分布电容式直流接地探测器
    
HRZJ3 Microcomputer-Typed Detector of Anti-
     distributed Capacitive Type Direct current
     Grounding
   HRZGF直流高压发生器
     DC High Voltage Generator HRZGF


   HRBSQ大电流发生器(升流器)
    
Large current generator(Adjust the large current
     generator) HRBSQ


   HRJNY绝缘靴(手套)耐压试验装置
    
Insulated boots (gloves) pressure testing device
     HRJNY


   HRVLF-30/50/80/1.1 0.1Hz超低频高压发生器
    
0.1Hz Very-Low-Frequency high voltage generator
     HRVLF-30/1.1 HRVLF-50 / 5 HRVLF-80/1.1


   HRJFD-3A数字局部放电检测仪
    
Figures partial discharge detector HRJFD-3A

   HRJFD现场数字局部放电检测分析系统
     Figures at the scene of partial discharge detection
     system HRJFD


   HRJFD-2A局部放电超声自动定位系统
     PD ultrasound automatic positioning system HRJFD-2A


   HRGTB干式试验变压器
     Dry test transformer HRGTB


   HRYDQ(W)充气式(无局部放电)试验变压器
    
Inflatable (no PD) test transformer HRYDQ(W)

   HRSGB多功能数字分压器(智能数字高压表)
    
Multi-functional digital divider (intelligent
     digital high-pressure form) HRSGB


   HRYDXB工频串联谐振升压装置
    
Series resonant frequency step-up device HRYDXB

   HRYDJ(W)油浸式(无局部放电)试验变压器
    
Oil-immersed (no PD) test transformer HRYDJ(W)

   HRKZX(Q)/T(Q)系列控制箱/台(手动,电动,全自动)
    
Series control box (manual, electric,automatic)
      HRKZX(Q)/T(Q)


   HRBFXZ变频串联谐振交流耐压高压试验装置
     Series resonant frequency exchange of high-pressure
     test equipment pressure HRBFXZ


   HR24工频峰值电压表
     Industrial Frequency Peak-Voltmeter HR24


   HRYDT 3C认证电器安规耐压试验仪
    
3C certification of the electrical pressure tester
     HRYDT


   HRBSQ(JZ)直流大电流发生器(直流升流器)
     DC Large current generator(DC Adjust the large
     current generator) HRBSQ(JZ)
   HRVAT-CT全自动CT伏安变化特性综合测试仪
    
Automatic CT voltammetry of change than the
     Comprehensive test HRVAT-CT


   HRVAT-CT/PT全自动CT/PT伏安变比特性综合测试仪
    
Automatic CT / PT voltammetry of change than the
     Comprehensive test HRVAT-CT/PT


   HRHGQL-H电流互感器现场测试仪校验装置
     Current Transformer site tester calibration device
     HRHGQL-H


   HRHGQY-H电压互感器现场测试仪校验装置
    
Voltage transformer at the scene tester calibration
     device HRHGQY-H


   HRFHA PT二次负载在线测试仪
    
PT secondary load-line tester HRFHA

   HRYJB PT二次压降测试仪
    
PT secondary pressure tester HRYJB

   HRH-H全自动互感器校验装置(试验室)
    
Automatic transformer calibration device
     (laboratory) HRH-H


   HRH-H(X)全自动互感器校验台(现场)
     Automatic transformer Test Bench (the scene)
     HRH-H (x)


   HRHL-A标准电流互感器
    
Standards current transformer HRHL-A

   HRHJ-KV标准电压互感器
    
Standard voltage transformer HRHJ-kV

   HRFH互感器负荷箱
    
Transformer load me HRFH

   HRHEA智能互感器校验仪
    
Smart transformer calibrator HRHEA

   HRHEJ互感器校验仪整检装置
    
 Transformer calibrator seized the entire
     device HRHEJ


   YJFH-HR二次压降及二次负荷在线测试仪
    
YJFH-HR Secondary voltage drop and secondary
     load-circuit tester


  HRCJDY-BZ标准雷电脉冲冲击电压校准测试系统装置
     HRCJDY-BZ Standard lightning impulse voltage pulse
     calibration test system devices


   HENZ3-HR型电子式互感器校验仪
    
  HENZ3-HR Electronic Transformer Calibrator
      Automatic intelligent Calibration System
   HRJBC继电保护综合测试仪
    
Comprehensive test instrument HRJBC relay

   HRWJC微机继电保护测试仪
    
Computer relay tester HRWJC

   HRWJC-6(六相电压,六相电流)微机继电保护测试仪
    
(6-phase of voltage, 6-phase of current )
     Computer relay tester HRWJC-6


   HRZJ3直流系统接地故障测试仪
    
DC system fault tester HRZJ3

   HRYXQ三相、单相电子移相器
    
Three-phase, single-phase electronic phase
     shifters HRYX


   HRRJCD单相电子式热继电器检验仪
    
Single-phase electronic thermal relay test-HRRJCD

   HRRJCS三相电子式热继电器检验仪
    
Three-phase electronic thermal relay test-HRRJCS

   HRDS多用校验仪(电能表现场校验仪)
    
More use of calibrator (Meter scene calibrator)
     HRDS


   HRCGB功率差动继电器检验仪
    
power differential relay test-HRCGB

   HRMJC SF6智能密度继电器检验仪
     SF6 intelligent density relay calibrator HRMJC


   HRLC-8/8QYG气体(瓦斯)继电器压力释放阀自动测试仪
     Gas (gas) pressure release valve automatically
     relay tester HRLC--8/8QYG
   HRLGT(JK)电缆故障测试仪(架空)
    
Cable fault Tester (overhead) HRLGT (JK)

   HRLGT(DM)电缆故障测试仪(地埋)
    
Cable fault Tester (buried) HRLGT (DM)

   HRLGT(TX)通讯电缆故障测试仪
    
Communications cable fault tester HRLGT (TX)

   HRGXL工频线路参数测试仪
    
The frequency line parameters Tester HRGXL

   HRWG输电线路故障距离测试仪
     Transmission line fault from the test instrument
     HRWG


   HRJWG-5看守所周界高压电网警防装置
     Detention center-sector high-voltage power grid
     to prevent warning device HRJWG-5


   HRJWG-10监狱周界高压电网警防装置
     The prison perimeter to prevent high-voltage
     power grid warning device HRJWG-10


   HRHG-CR雷电脉冲过电压在线监测高压冲击电压分压器
     HRHG-CR lightning pulse voltage online monitoring of
     high-voltage impulse voltage divider
   HRDS多功能电能表现场校验仪
     Meter at the scene calibrator HRDS


   HRGP工频信号发生器
    
Frequency signal generator HRGP

   HRPX多功能工频频率相位计
    
Phase of the frequent rate HRPX

   HRDXB电力谐波报警仪
    
Power harmonic Alarm HRDXB

   HRDXC电力谐波测量仪
    
Power harmonic meter HRDXC

   HRDXC电力谐波(电能质量)测量分析仪
    
Harmonic power (power quality) measurement
     analyzer HRDXC


   HRCQ全自动电容电桥测试仪
    
Automatic capacitance bridge tester HRCQ

   HRJDT-604型电压监测记录仪
      HRJDT-604 voltage monitor recorder
   HREC-1高压核相器
     HREC-1 type of high pressure jer phase detectors


   HREC-11无线高电压核相器
    
Wireless voltage nuclear phase-HREC-11

   HRWG-11交流低零值绝缘子带电检测仪
    
The exchange value of low-insulator charged
     detector HRWG-11


   HRWG-12交流线路绝缘子串电压分布测量仪
   
 Exchange string voltage distribution lines
     measuring table HRWG-12


   HRWG-15交流线路绝缘子串电压分布测量表检测仪
    
Exchange string voltage distribution lines
     measuring table detector HRWG-15


   HRWG-16绝缘子绝缘电阻测试仪
    
Insulator insulation resistance tester HRWG-16

   HREC-2高压验电器
     High voltage-pressure Electroscope HREC-2


   HRGB/HRGLB单相/三相隔离变压器,整流变压器,隔离滤波器
    
Single-phase, three-phase isolation transformer,
     rectifier transformers, isolation filter HRGB/HRGLB

   HRTNZD(S)系列电动柱型调压器/可调稳压电源
    
 Series Electric columnar regulator / adjustable
     power supply HRTNZD(S)


   HRZD-2型携带式单相试验电源箱
      HRZD-2 type portable power box single-phase tests

   HRZD-3型携带式三相试验电源箱
      HRZD-3 type portable three-phase power box tests

     
 
HRH-YW型 系列淋雨环境试验室(人工气候试验室)仿真模拟设备系统装置
 
 
HRH-YW series rain environmental test chamber (artificial climate laboratory) equipment system simulation device
 
     
     
  1、设备规格:
(1) 规格:喷头点阵由1个框架2000*6000mm组成。共260个喷嘴。
喷淋有效面积 约2000×6000mm;可以按用户实际要求选择定制。
(2) 降雨量的可调节工作范围0.2~250mm。
(3) 水泵电机:功率5.5kW,电压380V,3相交流。
降范围 能模拟降雨量从水量0.2~250mm之间实现任意无级调节。
淋雨时间 可任意设定试验周期,试验时间。
环境模拟装置喷淋有效面积约2000×6000mm,喷嘴做工精细,具有耐酸碱盐防腐蚀功能。
环境模拟装置进水装置前配置净化设备,能实现净化功能的设备,避免喷淋装置堵塞。
 
     
  2、设备适用范围:
(1)喷雨设备适用于铁路高速动车组车顶的水式和湿式试验。火车,飞机,汽车,电力设备产品及户外运行设备;质检鉴定计量检测监督机构,电力设备制造厂,铁路及其通信,航空航天和航空航天飞行器,军工科研单位,大专院校以及建筑物与气象等部门的带电环境模拟考核试验。
(2)喷雨设备能保证在长6m,宽2m范围内持续均匀降下滴状雨,雨滴细小均匀。
 
     
  3、设备实现的淋雨条件:
设备工作时在有效区域内必须满足下表(GB/T 16927.1-2007-高压试验一般要求)的全部淋雨要求。能够人工模拟降雨、盐雾、下雪、冰冻等环境条件和自然灾害,研究不同环境条件下对高电压运行设备的影响,重点侧重淋雨和盐雾试验环境的模拟。
 
     
 
人工气候试验室主要技术参数要求如下:
 
 
技术参数
参   数   指   标
★盐水盐度
2.5,3 .5,5 ,7 ,1 0,14, 20, 28, 40, 56, 80, 112, 180kg/m3 and 224kg/m3
喷雾方式
气流喷雾式,连续/间隙任意
★降水量范围
能模拟降雨量从0.2~250mm(小雨、中雨、大雨、暴雨、特大暴雨)之间实现任意无级调节
淋雨时间
可任意设定试验周期,试验时间
 
     
 
分    类
单位
数值
所有测量点的平均淋雨率
垂直分量
mm/min
1.0~2.0
水平分量
mm/min
1.0~2.0
单独每次测量和每个分量的极限值
mm/min
平均值±0.5
收集到的雨水温度
周围环境温度±15
 
     
  4、淋雨设备原理简图:  
 
 
  说明:喷雨设备必须满足距产品安装最短距离H不小于1.5米,并且能降下满足招标技术文件要求的降雨。  
     
  5、设备结构及功能:
(1) 雨水模拟喷淋器采用SUS316#不锈钢材质制作,做工精细,具有耐酸碱盐防腐蚀功能,喷头内套镶红宝石,其连续使用寿命可长达5-10年。
(2) 喷嘴结构采用独特的设计,使其喷射不连续线状(雨点状)水平距离六米以内无水雾,喷射方向±30度水平角电控可调,变频控制与电磁阀控制结合,模拟降雨量从0.2~250mm(雨雾、小雨、中雨、大雨、暴雨、特大暴雨)之间实现任意无级调节。根据需求,以后本装置还可以改造升级,还能进行污秽、尘埃、霜冻及冰雪等自然灾害状况的模拟。
(3) 设备结构
本淋水系统装置由如下3部份组合而成。
 
     
  1、喷头点阵
1):喷头采用SUS316#不锈钢材质制成,耐酸碱盐防腐蚀性强。
2):喷头与输水管采用丝牙连接方式,便于拆卸、更换、方便清洗及保养。输水管采用高纤维塑胶高压(高电压:35kV以上)软管,耐磨抗压
3):喷头仰、俯角度由低速电机传动控制,角度精确。
4):喷头点阵框架可电动控制在两个方向轴上±90度转动,实现水平喷雨与竖直喷雨的需求。
5):每排(10个喷头)各由一个电动开关阀门控制,共26个电动开关阀门。
6):喷雨器与底架之间采用高压绝缘的方式连接。
 
     
  2、电气控制部分
采用优质接触器、电磁阀等电器元件和高性能的变频器及电动机,精确的逻辑电气控制设计;美观实用的计算机全自动测控操作台,操纵自如,安全可靠,操作台统一放置在控制室。
 
     
  3、供水部分
1): 蓄水箱采用SUS316#耐酸碱盐不锈钢材料,箱体不锈钢材料的厚度为2mm。配以水位观察计,能有效的保证喷淋数据的采集。下底有排水口方便箱体清洗。根据需要配套相应大小的蓄水箱。
2): 采用流量8m3/h、扬程25米的小型水泵加压加温喷淋,并以变频调节控制,能保证模拟喷雨量在0.2~250mm精确控制。
3): 供水部分需安装便于维护的过滤装置(过滤网等)及净化装置,确保水路不被杂物或者水垢堵塞。
 
     
  6.实物图片:  
 
 
     
     
 
 
     
     
 
 
     
     
 
 
     
     
 
HRH-YW series rain environmental test chamber (artificial climate laboratory) equipment system simulation device
 
     
  1, equipment specifications:
(1)Specifications: Sprinklers lattice consists of a frame composed of 2000 * 6000mm. A total of 260 nozzles. Spraying an effective area of about 2000 × 6000mm; can be customized by the user to select the actual requirements.
(2) precipitation adjustable operating range 0.2 ~ 250mm.
(3) pump motor: Power 5.5kW, voltage 380V, 3-phase AC. Down range can simulate rainfall stepless adjustment from 0.2 to achieve any water between 250mm. Rain test cycle time can be arbitrarily set, test time. Environment simulator spray effective area of about 2000 × 6000mm, the nozzles fine workmanship, with acid and alkali salt corrosion function. Environmental simulation device before the water purification equipment device is configured, can achieve purification equipment, to avoid clogging the spray apparatus.
 
     
  2, the device Scope:
(1)Rain spray equipment suitable for high-speed rail EMU roof water and wet test. Trains, planes, automobiles, electrical equipment and outdoor products operation of the equipment; quality control oversight bodies identified measuring and testing, electrical equipment factories, railways and communications, aerospace and aerospace vehicles, military research institutes, universities and building and meteorological departments charged environment simulation assessment test.
(2) spraying equipment to ensure the long rain 6m, continued even lower over a wide range of 2m rain droplets, raindrops small uniform.
 
     
  3, the device achieved rain conditions: When the device is working within the effective area must meet the following table (GB / T 16927.1-2007- general requirements for high-voltage test) requirements of all the rain. Capable of artificial rainfall, salt fog, snow, ice and other environmental conditions and natural disasters, the impact study under different environmental conditions for high-voltage operation of equipment, focused mainly rain and salt spray test environment.  
     
 
Artificial climate test chamber main technical parameters are as follows:
 
 
Technical Parameters Parameter index
★ brine salinity 2.5,3 .5,5 ,7 ,1 0,14, 20, 28, 40, 56, 80, 112, 180kg/m3 and 224kg/m3
Spray method Airflow spray, continuous / gap any
★ precipitation range can simulate rainfall 250mm (light rain, moderate rain, heavy rain, heavy rain, torrential rain) from 0.2 to achieve any stepless adjustment
Rain time It can be arbitrarily set the test cycle, the test time
 
     
 
Classification Unit Numerical
The average rain rate for all measurement points Vertical component mm/min 1.0~2.0
Horizontal component mm/min 1.0~2.0
Individually for each measurement and limit values for each component mm/min Average data±0.5
Collected rainwater temperature Temperature ±15
 
     
  4,Shower simplified schematic of the device  
     
 
 
     
  Description: Spray equipment must meet the minimum distance H from the product installation is not less than 1.5 meters, and can be lowered to meet the requirements of the tender technical documents rainfall.  
     
  5, the device structure and function: (1) Analog rain shower uses SUS316 # stainless steel production, fine workmanship, with acid and alkali salt corrosion function, inlaid ruby set within the nozzle, its continuous life of up to 5--10 years. (2) the nozzle structure unique design, so that the ejection discontinuous lines (like rain) horizontal distance of no less than six meters mist spray direction ± 30 ° horizontal angle adjustable electric control, frequency control and electromagnetic valve control combination, simulated rainfall between 0.2 ~ 250mm (fog, rain, moderate rain, heavy rain, heavy rain, torrential rain) from arbitrary stepless adjustment. According to the needs of the future of the device may also be upgrading, but also to simulate the contamination, dust, frost and snow and other natural disaster conditions. (3) Device Structure The water spray system means a combination of the following three part together.  
     
  1, the nozzle lattice
1): nozzle made of SUS316 # stainless steel, acid salt corrosion resistance is strong. 2): Sprinklers and water pipes using dental wire connection, easy to remove, replace, easy cleaning and maintenance. High-fiber plastic pipes high pressure (high voltage: 35kV above) hose, wear compression 3): Sprinklers Yang, overlooking the angle formed by the low-speed motor drive control, accurate angle. 4): Sprinklers lattice frame of electrically controlled in both directions of rotation axes ± 90 degrees to achieve the level of the vertical jet spray rain rain needs. 5): each row (10 nozzles) each controlled by an electric switch valve, a total of 26 electric switch valves. 6): The spray wipers and the chassis between high voltage insulation fashion.
 
     
  2, the electrical control part Using high-quality contactors, solenoid valves and other electrical components and high-performance inverter and the motor, precise electrical control logic design; aesthetic and practical computer fully automatic monitoring and control console, operated freely, safe, reliable, unified console is placed in the control room.  
     
  3, part of the water supply 1): storage box with acid salt SUS316 # stainless steel materials, stainless steel cabinet thickness is 2mm. Together with the observed water level meter, which can effectively ensure the data collected spray. By the end of a drain tank easy to clean. According to the need to complete the appropriate size of the storage tanks. 2): The flow rate 8m3 / h, head of 25 m small pump spray pressure and heat, and to adjust the frequency control, to ensure that simulate spray 0.2 ~ 250mm rainfall precise control. 3): Water filtration apparatus part to be installed to facilitate maintenance (filters, etc.) and purification devices to ensure water is not blocked by debris or scale.  
     
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