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<title><![CDATA[EC21 Product Catalogs - concentration measuring system]]></title>
<link><![CDATA[https://www.ec21.com/ec-market/concentration measuring system.html]]></link><item>
<title><![CDATA[WINNER802 DLS Nano Particle Size Analyzer]]></title><link><![CDATA[https://winnerparticlesize.en.ec21.com/WINNER802_DLS_Nano_Particle_Size--12070392_12070394.html]]></link><description><![CDATA[Measure range
1nm-10000nm
Accuracy error
≤0.5%( CRM D50)
Repeatability error
≤0.5% ( CRM D50)
Concentration range
0.1mg/ml_x001f_--100mg/ml
Light source
Semiconductor laser λ= 532nm Or 639nm P=1]]></description><pubDate><![CDATA[20260421]]></pubDate></item>
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<title><![CDATA[High Torque Flexible Disk Coupling]]></title><link><![CDATA[https://boorimco.en.ec21.com/High_Torque_Flexible_Disk_Coupling--12054514_12054553.html]]></link><description><![CDATA[concentration around the bolts is reduced, and flexibility of the suspension plate is enhanced—realizing an ideal servo system.
Each component is meticulously designed to extend the disk&apos;s lifespan]]></description><pubDate><![CDATA[20251219]]></pubDate></item>
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<title><![CDATA[AMI(Advanced Metering Infrastructure)]]></title><link><![CDATA[https://goal270.en.ec21.com/AMI_Advanced_Metering_Infrastructure--11917654_11917658.html]]></link><description><![CDATA[AMI(Advanced Metering Infrastructure)
As an infrastructure for two-way information exchange between energy providers and users, it refers to a system for measuring, collecting, storing, analyzing, an]]></description><pubDate><![CDATA[20250323]]></pubDate></item>
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<title><![CDATA[Blood Glucose POCT TEST CERA-CHEK 1Code]]></title><link><![CDATA[https://gcmsoverseas.en.ec21.com/Blood_Glucose_POCT_TEST_CERA--11885717_11886103.html]]></link><description><![CDATA[measuring their glucose level with fresh capillary whole blood.
It also provides professional healthcare personnel with the helpful information with measuring glucose concentration in fresh capillary]]></description><pubDate><![CDATA[20250120]]></pubDate></item>
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<title><![CDATA[Automatic Video Measuring Machine VMM Vision Image Instant Measuring System]]></title><link><![CDATA[https://chotest0613.en.ec21.com/Automatic_Video_Measuring_Machine_VMM--11966346_12035087.html]]></link><description><![CDATA[Automatic video measuring machines CHT series covers different measurement ranges offers powerful functionality and can perform precise measurements of surface dimensions, contours, angles, positions]]></description><pubDate><![CDATA[20250107]]></pubDate></item>
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<title><![CDATA[WDLYCH 0-5 0-10 Megaohm Resistance Meter AC DC Insulation Monitor for Marine Electrical Net On Ship]]></title><link><![CDATA[https://jade900920.en.ec21.com/WDLYCH_0_5_0_10--11663243_12033933.html]]></link><description><![CDATA[concentrates on the fabrication of electric measurement instruments and current transformers, integrating research and development, production, sales, and after-sales services. This empowers the comp]]></description><pubDate><![CDATA[20241231]]></pubDate></item>
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<title><![CDATA[5L 10L 20L 30L 50L 100L Lifting Jacketed Glass Reactor for Reflux and Distillation Chemical Reactor]]></title><link><![CDATA[https://chanyonancy123.en.ec21.com/5L_10L_20L_30L_50L--12026627_12027050.html]]></link><description><![CDATA[The lifting glass reactor is mainly used for
experiments such as material synthesis, distillation, and concentration. The jacketed
glass reactor has two layers, inner and outer, and can meet the temp]]></description><pubDate><![CDATA[20241219]]></pubDate></item>
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<title><![CDATA[10% Samarium Doped Glass Flow Tubes]]></title><link><![CDATA[https://qimglass.en.ec21.com/10_Samarium_Doped_Glass_Flow--12030685_12031656.html]]></link><description><![CDATA[The samarium doped glass tubes are used as filter media in the laser cavity of flash lamp pumped solid-state laser system. The glass is processed through optical cold processing to form a focusing ca]]></description><pubDate><![CDATA[20241217]]></pubDate></item>
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<title><![CDATA[Festo TEMMT-AS-60-S-LS-RMB 5242199 Otal Mass Moment of Inertia of Output]]></title><link><![CDATA[https://miawang0812.en.ec21.com/Festo_TEMMT_AS_60_S--11988808_11988947.html]]></link><description><![CDATA[Measuring flange
250 x 250 x 15 mm, steel
Total mass moment of inertia of output
0.257 kgcm2
Product weight
1500 g
Permissible axial shaft load
70 N
Permissible radial shaft load
350 N
Rotor position]]></description><pubDate><![CDATA[20241025]]></pubDate></item>
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<title><![CDATA[Optical Domes]]></title><link><![CDATA[https://hsgdoptic.en.ec21.com/Optical_Domes--12004331_12019601.html]]></link><description><![CDATA[systems to protect optics while enabling accurate measurements.
Navigation systems: Ensure accuracy and protection of navigation systems.
Head protection optics: for head protection while enabling op]]></description><pubDate><![CDATA[20241022]]></pubDate></item>
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<title><![CDATA[Smoke Detector]]></title><link><![CDATA[https://mimayijingaile0.en.ec21.com/Smoke_Detector--11987076_11987700.html]]></link><description><![CDATA[measuring range: 0 ~ 2 dB / m, measuring error shall not be greater than m×5%+0.02dB/m
7．
Wind speed: 0 to 1.5 m/s continuously
adjustable via software setting
when the wind speed is set at 0.2m/s]]></description><pubDate><![CDATA[20241019]]></pubDate></item>
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<title><![CDATA[ORP Detector ORP Controller Redox Potentiometer Industrial On-line Orp Meter]]></title><link><![CDATA[https://nobotech.en.ec21.com/ORP_Detector_ORP_Controller_Redox--11181490_11181516.html]]></link><description><![CDATA[Measuring range
0~14pH, -1999~+1999mV
Resolution
0.01pH, 1mV, 0.1℃
Stability
≤0.01pH/24h
Accuracy
±0.02pH, ±1mV, 0.3℃
PH standard liquid
4.00/6.86/9.18
Signal output
4~20mA
Working temperatur]]></description><pubDate><![CDATA[20240929]]></pubDate></item>
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<title><![CDATA[Festo Servo Motor EMMT-AS-60-S-LS-RMB 5242199 in Stock]]></title><link><![CDATA[https://cwgreentech.en.ec21.com/Festo_Servo_Motor_EMMT_AS--11988971_11988974.html]]></link><description><![CDATA[Measuring flange
250 x 250 x 15 mm, steel
Total mass moment of inertia of output
0.257 kgcm2
Product weight
1500 g
Permissible axial shaft load
70 N
Permissible radial shaft load
350 N
Rotor position]]></description><pubDate><![CDATA[20240823]]></pubDate></item>
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<title><![CDATA[Concentric Reducer]]></title><link><![CDATA[https://zhseamlesspipe.en.ec21.com/Concentric_Reducer--11988939_11988944.html]]></link><description><![CDATA[concentric design, it maintains the centerline of the pipe, making the pipe system more stable.
Strong Durability: Manufactured from high-quality materials and subjected to strict processing, it exhi]]></description><pubDate><![CDATA[20240821]]></pubDate></item>
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<title><![CDATA[AMI Meter]]></title><link><![CDATA[https://ivyemeter.en.ec21.com/AMI_Meter--11104537_11104557.html]]></link><description><![CDATA[Measuring Devices meter
registration: the smart meter can be registered with Data Concentrator Unit (DCU) of AMI Central System(consisting of Meter Data Management System (MDMS). Head End System and ]]></description><pubDate><![CDATA[20240710]]></pubDate></item>
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<title><![CDATA[LAG-S100 Ladle Slag Detection System (Eddy Current)]]></title><link><![CDATA[https://zfy8888.en.ec21.com/LAG_S100_Ladle_Slag_Detection--11626642_11626715.html]]></link><description><![CDATA[System control flow chart
The working principle of the sensor
The sensor adopts the principle of electromagnetic induction for signal detection, and its typical structure is two concentric coils. Whe]]></description><pubDate><![CDATA[20240531]]></pubDate></item>
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<title><![CDATA[Sidestream ETCO2 Sensors]]></title><link><![CDATA[https://capnomed.en.ec21.com/Sidestream_ETCO2_Sensors--11904702_11941928.html]]></link><description><![CDATA[system helps to draw the gas sample through the tube to the sensor. Once the sample reaches the sensor, it analyzes the carbon dioxide concentration and provides the EtCO2 reading.
Sidestream capnogr]]></description><pubDate><![CDATA[20240524]]></pubDate></item>
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<title><![CDATA[AWGAGE-200 Metal Film Metrology]]></title><link><![CDATA[https://allwin21.en.ec21.com/AWGAGE_200_Metal_Film_Metrology--9763377_9763394.html]]></link><description><![CDATA[measurement accuracy.
Avoid environments with high concentrations of particulates, especially abrasives such as glass and silicon dust.
Power : 50/60Hz, Single Phase, 110/220VAC, 2 Amps
Weight and Di]]></description><pubDate><![CDATA[20240514]]></pubDate></item>
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<title><![CDATA[Adblue Quality Sensor Level Sensor EURO-5 in Tank]]></title><link><![CDATA[https://xianqintai2024.en.ec21.com/Adblue_Quality_Sensor_Level_Sensor--11929951_11929952.html]]></link><description><![CDATA[measures the 
height, temperature, and concentration 
of urea liquid level in SCR exhaust 
after-treatment systems, ensuring their 
normal operation by sending signals to 
the ECU. Key features inclu]]></description><pubDate><![CDATA[20240426]]></pubDate></item>
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<title><![CDATA[Oxygen Analyzer]]></title><link><![CDATA[https://kobistq.en.ec21.com/Oxygen_Analyzer--1_3233172.html]]></link><description><![CDATA[Measuring combustion efficiency. 
Checking output concentrations in industrial process effluent. 
Linking with flow measurement to give a displayed heat release rate measurement for dynamic combustio]]></description><pubDate><![CDATA[20081012]]></pubDate></item>
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<title><![CDATA[PC Monitoring System]]></title><link><![CDATA[https://seungil.en.ec21.com/PC_Monitoring_System--2134731_3144486.html]]></link><description><![CDATA[measures thereby.
Features of PC Monitoring System
-3 dimension graphic supervision 3 dimension graphic and animation are applied to controlling devices&apos; conditions in order for users to easily under]]></description><pubDate><![CDATA[20121231]]></pubDate></item>
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<title><![CDATA[Special Purpose Reactor - Polymerization Reactor]]></title><link><![CDATA[https://ilshinauto.en.ec21.com/Special_Purpose_Reactor_Polymerization_Reactor--8932238_3722698.html]]></link><description><![CDATA[System is used for various polymerizations and performs accurate process. Ilshin Autoclave Co.,Ltd obtained ASME pressure vessels certification of design &amp; manufacturing, also have Korea Gas Safety C]]></description><pubDate><![CDATA[20180919]]></pubDate></item>
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<title><![CDATA[Portable Chloride-Meter for Hardened(Solid) Concrete]]></title><link><![CDATA[https://dymeter.en.ec21.com/Portable_Chloride_Meter_for_Hardened--26285_1239639.html]]></link><description><![CDATA[measured value to maximum
Fast response: Abt.2 Min. / CE Mark acquired
Technology
Measuring Target: Hardened Concrete and may be used on fresh,wet concrete
Measurement: 1&gt;Concentration of acid solubl]]></description><pubDate><![CDATA[20180303]]></pubDate></item>
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<title><![CDATA[H2CAP - Portable Hydrogen Generator, Made in Korea, 1500 Ppb, -ORP]]></title><link><![CDATA[https://ionfarms.en.ec21.com/H2CAP_Portable_Hydrogen_Generator_Made--10966365_10966371.html]]></link><description><![CDATA[concentration of pure hydrogen, resulting in 100% separation of H2 and O2
Digital controlling system 
Highest efficiency of electrolysis.
PPB CHANGES OVER TIME
(Hydrogen measurement : Competitors - D]]></description><pubDate><![CDATA[20190610]]></pubDate></item>
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<title><![CDATA[500, 000 Tons Per Year Cement Grinding Plant / Clinker Grinding Station]]></title><link><![CDATA[https://jsjysq.en.ec21.com/500_000_Tons_Per_Year--3177306_4393094.html]]></link><description><![CDATA[measuring and even mixing also need to be paid much attention to. that&apos;s why we choose to use the screw measurer as the measuring device and the air slide as mixing device as well as conveying device]]></description><pubDate><![CDATA[20190418]]></pubDate></item>
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<title><![CDATA[Wifi-enabled Indoor Air Quality Alarm with Traffic Light and Buzzer]]></title><link><![CDATA[https://topoint88.en.ec21.com/Wifi_enabled_Indoor_Air_Quality--2403492_9789395.html]]></link><description><![CDATA[measurements. Also choose from numerous output types and communications interfaces, alongside a choice of precalibrated alarm levels. 
Indoor Use Measuring Range for CO2 Carbon Dioxide concentration ]]></description><pubDate><![CDATA[20181217]]></pubDate></item>
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<title><![CDATA[Products for Aquaculture and Livestock]]></title><link><![CDATA[https://mediogen.en.ec21.com/Products_for_Aquaculture_and_Livestock--2585136_2585416.html]]></link><description><![CDATA[concentration. To survive and proliferate in brine, probiotic bacteria should overcome saline condition and low temperature. Kimchi, Korean traditional vegetable food, satisfies these condition. So w]]></description><pubDate><![CDATA[20160531]]></pubDate></item>
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<title><![CDATA[KL-988 Conductivity Meter / TDS Meter]]></title><link><![CDATA[https://kelilong3.en.ec21.com/KL_988_Conductivity_Meter_TDS--2884127_8394984.html]]></link><description><![CDATA[KL-988 conductivity meter / TDS meter
Descriptions: 
The KELILONG tester is a conductivity tester to measure water concentrations. It is used in water treatment, chemical dilution, industrial waste o]]></description><pubDate><![CDATA[20130812]]></pubDate></item>
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<title><![CDATA[Muilti-parameter Patient Monitor Small Size Vital Signs Patient Monitor]]></title><link><![CDATA[https://kernelmed.en.ec21.com/Muilti_parameter_Patient_Monitor_Small--5565509_4114757.html]]></link><description><![CDATA[measurement has three modes: manual, cycle and fast measurement, and has adult/ child/infant modes
Automatically analyzing 20 kinds of arrhythmia waveform
Have the drug concentration calculation func]]></description><pubDate><![CDATA[20171222]]></pubDate></item>
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<title><![CDATA[Meridian Diagnostic Instrument]]></title><link><![CDATA[https://cobjack.en.ec21.com/Meridian_Diagnostic_Instrument--4059759_4060165.html]]></link><description><![CDATA[measuring human body resistance value of 24 meridian acupuncture points according to Chinese Medicine Meridian Theory combined with  Modern Medical Technology and Computer Technology. The system can]]></description><pubDate><![CDATA[20141202]]></pubDate></item>
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<title><![CDATA[WASP-XM-R-SF6 Pump-priming Portable SF6 Gas Detector]]></title><link><![CDATA[https://mary00882009.en.ec21.com/WASP_XM_R_SF6_Pump--4088884_4088885.html]]></link><description><![CDATA[concentration in two ways; 
■ With USB communication port, you can speed 9600 bytes to communicate directly with the computer; 
■ With test record function, can store a month&amp;#39;s measurement da]]></description><pubDate><![CDATA[20170411]]></pubDate></item>
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<title><![CDATA[Mining Emulsion Tester M-10 MDT 0-15%]]></title><link><![CDATA[https://httechltd.en.ec21.com/Mining_Emulsion_Tester_M_10--7093482_7093613.html]]></link><description><![CDATA[Designed for the measuring of M-10,MDT:the concentration of weight percentage of the two kinds of the emulsions widely used for mine machinery. Measuring range:0~15%M-10; 0~15%MDT Minumum scale:0.5%M]]></description><pubDate><![CDATA[20120917]]></pubDate></item>
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<title><![CDATA[Automatic Image Measuring Device]]></title><link><![CDATA[https://qiantongyiqi.en.ec21.com/Automatic_Image_Measuring_Device--11683816_11853605.html]]></link><description><![CDATA[Product DescriptionImager characteristics:
Using optical principle, non-contact test measurement;
Automatic Image Measuring Device is applicable to all fields for the purpose of two coordinate measur]]></description><pubDate><![CDATA[20231012]]></pubDate></item>
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<title><![CDATA[GGA-70-1 O2 Flue Gas Analyzer]]></title><link><![CDATA[https://dxgltd.en.ec21.com/GGA_70_1_O2_Flue--11885117_11885679.html]]></link><description><![CDATA[concentration) of oxygen molecules in the flue gas. Most widely accepted O₂ measuring method at any facility, from boiler to CEMS
Features
Measures ionization reactions based on EMF changes between]]></description><pubDate><![CDATA[20240109]]></pubDate></item>
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<title><![CDATA[Keyto Liquid Handling and Transfer Components]]></title><link><![CDATA[https://keyto.en.ec21.com/Keyto_Liquid_Handling_and_Transfer--11703672_11874514.html]]></link><description><![CDATA[concentration. Therefore,automated liquid handling stations are becoming increasingly attractive: automated liquid handling workstations can be placed between manual 
liquid handling pipettes and com]]></description><pubDate><![CDATA[20231211]]></pubDate></item>
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<title><![CDATA[Pressure Composition Isotherm Equipment H-Sorb 2600PCT]]></title><link><![CDATA[https://goldapp.en.ec21.com/Pressure_Composition_Isotherm_Equipment_H--9600517_8490046.html]]></link><description><![CDATA[measurements. The result is a plot of the equilibrium absorbed gas concentration in the material as a function of pressure and temperature.
Gold APP Instruments high pressure and high temperature gas]]></description><pubDate><![CDATA[20240118]]></pubDate></item>
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<title><![CDATA[Hybrid Karl Fischer Moisture Titrator MKH-700]]></title><link><![CDATA[https://kyotokem.en.ec21.com/Hybrid_Karl_Fischer_Moisture_Titrator--8755027_8755067.html]]></link><description><![CDATA[Measuring method
Karl Fischer Volumetric titration
Measuring range
Water content
100&amp;mu;g - 500mg H2O (depends on KF reagent factor)
Concentration
1ppm - 100% H2O
Burette precision
Volume
10mL
Resolu]]></description><pubDate><![CDATA[20140212]]></pubDate></item>
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<title><![CDATA[PVC Insulation Sheath Cable Extrusion Machine]]></title><link><![CDATA[https://taizhengmachine.en.ec21.com/PVC_Insulation_Sheath_Cable_Extrusion--8857752_9126836.html]]></link><description><![CDATA[system 
5. Activities sink and fixed sink 
6. Laser measuring diameter instrument 
7. High speed Electric printer 
8. Tension accumulator 
9. Close type dual wheel capstan machine 
10. Sparkle tester]]></description><pubDate><![CDATA[20140815]]></pubDate></item>
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<title><![CDATA[Autoclaved Aerated Concrete Block Plant]]></title><link><![CDATA[https://newtengfei.en.ec21.com/Autoclaved_Aerated_Concrete_Block_Plant--8852671_8930458.html]]></link><description><![CDATA[system; 15.Submerged pump; 16.Screw conveyor; 17. Screw convryor; 18 Lime &amp; Lime measurer; 19 Slurry measurer; 20 Pouring mixer; 21 Aluminium power mixer; 22 Electronic platform balance; 23 Pouring f]]></description><pubDate><![CDATA[20140517]]></pubDate></item>
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<title><![CDATA[DX Hall Effect Measurement System for Laboratory Studying Electrical Properties of Semiconductor]]></title><link><![CDATA[https://jackietsui.en.ec21.com/DX_Hall_Effect_Measurement_System--8508233_11795103.html]]></link><description><![CDATA[systems are automatically calculated by the software at the same time, such as Bulk Carrier Concentration, Sheet Carrier Concentration, Mobility, Resistivity, Hall Coefficient, Magnetoresistance, and]]></description><pubDate><![CDATA[20230522]]></pubDate></item>
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<title><![CDATA[Hfnc Cpap]]></title><link><![CDATA[https://pigeon168168.en.ec21.com/Hfnc_Cpap--11839760_11839790.html]]></link><description><![CDATA[measured values of flow, temperature, oxygen concentration and working status are displayed on the same screen at the same time.
● Flow rate automatic compensation function.
● The machine is equi]]></description><pubDate><![CDATA[20230830]]></pubDate></item>
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<title><![CDATA[TOBEE -mission Centrifugal Pump 10x8x14 Sand Pump for Oilfield and Drilling]]></title><link><![CDATA[https://pump11.en.ec21.com/TOBEE_mission_Centrifugal_Pump_10x8x14--11752849_11754597.html]]></link><description><![CDATA[measuring pump or replenishment pump. 3x2x13 model pump is usually used as clean water pump. Tobee Pump Company Advantages 
Hebei Tobee Pump Co.,Limited
That is a professional manufacturer in designi]]></description><pubDate><![CDATA[20230322]]></pubDate></item>
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<title><![CDATA[400KW Weichai Diesel Generator Set]]></title><link><![CDATA[https://yzkehong.en.ec21.com/400KW_Weichai_Diesel_Generator_Set--11771943_11773146.html]]></link><description><![CDATA[concentricity.
Equipped with a brand controller, it can be used for the manual/automatic parallel connection system of multiple generator sets of the same or different capacities, as well as for the ]]></description><pubDate><![CDATA[20230421]]></pubDate></item>
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<title><![CDATA[Sterilization Water Generator(Autozen 8)]]></title><link><![CDATA[https://ideawin2.en.ec21.com/Sterilization_Water_Generator_Autozen_8--11609083_11609095.html]]></link><description><![CDATA[concentration(ppm)
10~50
Production amount
Up tp 6L/min
Up tp 20L/min
Electrolyte / Amount of production
6% HCL 1L / Sterilized water 2 ton
Free warranty period
An year after installation
Automatic s]]></description><pubDate><![CDATA[20240331]]></pubDate></item>
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<title><![CDATA[Hpmc E15]]></title><link><![CDATA[https://kimacell.en.ec21.com/Hpmc_E15--11829500_11829504.html]]></link><description><![CDATA[concentration and temperature of the solution it is dissolved in. However, the nominal viscosity value of 12-18 mPa.s provides a general indication of its viscosity range.
Viscosity is a measure of a]]></description><pubDate><![CDATA[20230804]]></pubDate></item>
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<title><![CDATA[Quality Pulsar Thermion 2 LRF XP50 PRO Thermal]]></title><link><![CDATA[https://salesaragroupsgmbh.en.ec21.com/Quality_Pulsar_Thermion_2_LRF--11604996_11605075.html]]></link><description><![CDATA[measuring range of 800 metres, with an accuracy of ± 1m.
Featuring a highly sensitive high definition 640x480, 17 µm thermal sensor with &lt;25mK NETD, the Thermion 2 XP50 LRF Pro provides a sharp and]]></description><pubDate><![CDATA[20220719]]></pubDate></item>
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<title><![CDATA[Automotive Sensors]]></title><link><![CDATA[https://mayaddauto.en.ec21.com/Automotive_Sensors--11656352_11656374.html]]></link><description><![CDATA[system are the core of all auto sensor car, including temperature sensors, pressure sensors, position and speed sensors, air flow sensors, gas concentration sensors and knock sensors to help ECU can ]]></description><pubDate><![CDATA[20221014]]></pubDate></item>
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<title><![CDATA[Landfill Plastic Geomembrane Liner for Mining Project in South Africa]]></title><link><![CDATA[https://371202199209236823.en.ec21.com/Landfill_Plastic_Geomembrane_Liner_for--11547884_11725297.html]]></link><description><![CDATA[measures must be carried out.
(2) More anti-seepage measures are now used for anti-seepage wall anti-seepage, grouting anti-seepage, concrete anti-seepage, geomembrane anti-seepage, and other anti-se]]></description><pubDate><![CDATA[20230210]]></pubDate></item>
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<title><![CDATA[ELISA Kits]]></title><link><![CDATA[https://bluegenebiotech.en.ec21.com/ELISA_Kits--11782343_11910870.html]]></link><description><![CDATA[concentration of the standards is critical for an accurate standard curve. Therefore this kit contains serial dilutions of the standards rather than a concentrated standard solution, thereby avoiding]]></description><pubDate><![CDATA[20240312]]></pubDate></item>
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<title><![CDATA[Generator Excitation System]]></title><link><![CDATA[https://hestelectrical.en.ec21.com/Generator_Excitation_System--9564982_9565031.html]]></link><description><![CDATA[measurement IL: Hall current sensor measurement 4~20mA or 0~5V signal input 
4. Output pulse: 50Hz~500Hz thyristor trigger pulse (thyristor excitation system) 
Output pulse: 50Hz~300Hz duty ratio of ]]></description><pubDate><![CDATA[20150625]]></pubDate></item>

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