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<title><![CDATA[EC21 Product Catalogs - the working principle]]></title>
<link><![CDATA[https://www.ec21.com/ec-market/the_working_principle--2717/1/the working principle.html]]></link><item>
<title><![CDATA[WDLYCH/WDLHCN CCS Marine Analog Panel Current Meter/Ammeter for Switchboards]]></title><link><![CDATA[https://jade900920.en.ec21.com/WDLYCH_WDLHCN_CCS_Marine_Analog--11663243_12026218.html]]></link><description><![CDATA[the principle of &quot;Pursuing for precision and perfection, unifying thinking and behavior &quot;, continuous exploration and innovation to meet customers&apos; demands. Reliable quality and good after-service re]]></description><pubDate><![CDATA[20241227]]></pubDate></item>
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<title><![CDATA[Bebur BT6308 Ozone Analyzer for Drink Water Wastewater Industrial Process Water]]></title><link><![CDATA[https://bebur.en.ec21.com/Bebur_BT6308_Ozone_Analyzer_for--12032929_12032934.html]]></link><description><![CDATA[Working principle
The sensors of the Bebur BT6308-OZ series of in-water ozone analyzers are based on the electrochemical amperometry principle and enable rapid on-site analysis of dissolved ozone in ]]></description><pubDate><![CDATA[20241224]]></pubDate></item>
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<title><![CDATA[Laser Distance Measurer]]></title><link><![CDATA[https://holo1.en.ec21.com/Laser_Distance_Measurer--11942959_11942962.html]]></link><description><![CDATA[The laser emits a beam, and the sensor captures the 
reflected light to determine distance.
Operating Principles:
Distance is calculated using the speed of light and the time it takes
for the laser p]]></description><pubDate><![CDATA[20241206]]></pubDate></item>
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<title><![CDATA[Smoke Alarm Production Test Tunnel]]></title><link><![CDATA[https://mimayijingaile0.en.ec21.com/Smoke_Alarm_Production_Test_Tunnel--11987076_11987127.html]]></link><description><![CDATA[Equipment
Function ： 
The smoke alarm production test tunnel
was designed for batch test or calibration of sensitivity test of Smoke alarms
or detectors. The basic work principle is compliance to E]]></description><pubDate><![CDATA[20241019]]></pubDate></item>
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<title><![CDATA[UTOCO Handheld Laser Methane Detector Natural Gas Pipe Line Monitoring]]></title><link><![CDATA[https://utoco.en.ec21.com/UTOCO_Handheld_Laser_Methane_Detector--12010082_12010083.html]]></link><description><![CDATA[This is a device for non-contact measurement of natural gas (CH4) concentration based on laser absorption
spectroscopy.
When the instrument is working, it emits a specific wavelength range (the cente]]></description><pubDate><![CDATA[20240926]]></pubDate></item>
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<title><![CDATA[RLK651 Handheld Infrared Emission Meter]]></title><link><![CDATA[https://gatherstar.en.ec21.com/RLK651_Handheld_Infrared_Emission_Meter--11943208_11943402.html]]></link><description><![CDATA[the latest 32 measurement records, convenient for comparison.
Specifications
Model 
RLK651 
Measurement band 
2- 22um​
Working interface 
Warm-up/measurement/calibration
Display resolution 
± 0.00]]></description><pubDate><![CDATA[20240530]]></pubDate></item>
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<title><![CDATA[IEC 60068-2-75 IEC 62196 Electric Vehicle IK01-IK10 Pendulum Impact Hammer Testing Apparatus]]></title><link><![CDATA[https://pegoelectronics.en.ec21.com/IEC_60068_2_75_IEC--11940571_11940595.html]]></link><description><![CDATA[the angle also can be adjusted. The hammer for 1J and below tests is made of nylon, and the hammers for IK07 to IK10 tests are made by steel, the working principle is : the sample is placed in normal]]></description><pubDate><![CDATA[20240522]]></pubDate></item>
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<title><![CDATA[Piston Type Circulating Real Gas Flow Standard Device]]></title><link><![CDATA[https://tnmacalibration.en.ec21.com/Piston_Type_Circulating_Real_Gas--11926262_11926269.html]]></link><description><![CDATA[the principle of conservation of mass, which uses standard gas to compare air to explore thermal and ultrasonic gas. Represents a new method of value error testing. Research on air calibration and ac]]></description><pubDate><![CDATA[20240417]]></pubDate></item>
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<title><![CDATA[KRD13 High Energy Shock Test System]]></title><link><![CDATA[https://creditcme.en.ec21.com/KRD13_High_Energy_Shock_Test--11098426_11099352.html]]></link><description><![CDATA[The system adopts the principle of pneumatic energy storage
expansion. By adjusting the inflation pressure, various high-level acceleration
tests can be easily implemented in a short stroke.
For the ]]></description><pubDate><![CDATA[20240402]]></pubDate></item>
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<title><![CDATA[EHP110 Rebound Leeb Hardness Tester]]></title><link><![CDATA[https://mikrometry.en.ec21.com/EHP110_Rebound_Leeb_Hardness_Tester--11911431_11911435.html]]></link><description><![CDATA[The portable leeb hardness tester is suitable for use under tough working conditions. 
This type of digital hardness testing machine can be used at any angle, even upside down. The digital rebound ha]]></description><pubDate><![CDATA[20240313]]></pubDate></item>
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<title><![CDATA[CDW-60 Impact Test Low Temperature Chamber / Environmental Chamber]]></title><link><![CDATA[https://astmtester123.en.ec21.com/CDW_60_Impact_Test_Low--9999940_10000040.html]]></link><description><![CDATA[the use of the principle of heat balance and mixing method of circulation to achieve uniformity of the sample auto-cooling and temperature, to fully meet the temperature indicators of national standa]]></description><pubDate><![CDATA[20190815]]></pubDate></item>
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<title><![CDATA[Low Temperature Meter / Impact Testing Machine]]></title><link><![CDATA[https://lgtester789.en.ec21.com/Low_Temperature_Meter_Impact_Testing--10000308_10000400.html]]></link><description><![CDATA[the use of the principle of heat balance and mixing method of circulation to achieve uniformity of the sample auto-cooling and temperature, to fully meet the temperature indicators of national standa]]></description><pubDate><![CDATA[20190821]]></pubDate></item>
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<title><![CDATA[LM-79 Moving Detector Goniophotometer]]></title><link><![CDATA[https://lisungroup1.en.ec21.com/LM_79_Moving_Detector_Goniophotometer--11802221_11802222.html]]></link><description><![CDATA[the angle decode system is from Germany. They help the goniophotometer rotating smoothly with high accuracy. It is very stable when start and stop.• The working principles are according to IESNA an]]></description><pubDate><![CDATA[20230907]]></pubDate></item>
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<title><![CDATA[Transformer Variable Ratio of Entire Inspection Test]]></title><link><![CDATA[https://nanaoelec.en.ec21.com/Transformer_Variable_Ratio_of_Entire--10586983_10714599.html]]></link><description><![CDATA[the group test when the variable ratio accuracy and the accuracy of various groups of choice, and includes Z-shaped group. 
First, the principle of structure 
Instrument A, B, C, respectively, for th]]></description><pubDate><![CDATA[20180827]]></pubDate></item>
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<title><![CDATA[Oxygen Permeability Testing Instrument (OTR Tester)]]></title><link><![CDATA[https://gbpitester.en.ec21.com/Oxygen_Permeability_Testing_Instrument_OTR--11629254_11631103.html]]></link><description><![CDATA[Working principle
Gravimetric method. Fix the test sample in the middle of test chamber to separate the chamber into upper room and lower room; humid gas flows in upper room, and place desiccant devi]]></description><pubDate><![CDATA[20220901]]></pubDate></item>
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<title><![CDATA[LM-79 Moving Detector Goniophotometer (Mirror Type C)]]></title><link><![CDATA[https://lisungroup7.en.ec21.com/LM_79_Moving_Detector_Goniophotometer--11882688_11882689.html]]></link><description><![CDATA[the angle decode system is from Germany. They help the goniophotometer rotating smoothly with high accuracy. It is very stable when start and stop.• The working principles are according to IESNA an]]></description><pubDate><![CDATA[20240102]]></pubDate></item>
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<title><![CDATA[Drop Ball Shock Tester]]></title><link><![CDATA[https://yuanchenwujin68.en.ec21.com/Drop_Ball_Shock_Tester--11261871_10963357.html]]></link><description><![CDATA[Principle:
Determination of whether the safety
glazing material has a certain minimum strength and cohesion under impact
from a small hard object
Ball Drop Test Frame, Ball Drop Test Device
Manufactu]]></description><pubDate><![CDATA[20230719]]></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[KRD13 High Energy Shock Test System]]></title><link><![CDATA[https://cmetechnology.en.ec21.com/KRD13_High_Energy_Shock_Test--11706077_11837073.html]]></link><description><![CDATA[the pneumatic energy storage principle of expansion, by adjusting the internal pressure; make it in a short stroke to release high-impact energy. This novel designed high-energy shock test system is ]]></description><pubDate><![CDATA[20230823]]></pubDate></item>
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<title><![CDATA[LM-79 Moving Detector Type C Goniophotometer]]></title><link><![CDATA[https://15317383997.en.ec21.com/LM_79_Moving_Detector_Type--11812738_11812739.html]]></link><description><![CDATA[the angle decode system is from Germany. They help the goniophotometer rotating smoothly with high accuracy. It is very stable when start and stop.• The working principles are according to IESNA an]]></description><pubDate><![CDATA[20231024]]></pubDate></item>
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<title><![CDATA[Sight Glass Type Level Gauge]]></title><link><![CDATA[https://aohonggaugeglass.en.ec21.com/Sight_Glass_Type_Level_Gauge--11850290_11850306.html]]></link><description><![CDATA[Working PrincipleThe working principle of the Glass Plate Level Gauge is simple yet effective. It operates based on the fact that liquid inside a container seeks its own level. The gauge comprises a ]]></description><pubDate><![CDATA[20231004]]></pubDate></item>
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<title><![CDATA[Low Price Reliable Office Chair Rotary Life Tester]]></title><link><![CDATA[https://lituotest.en.ec21.com/Low_Price_Reliable_Office_Chair--11365007_11372558.html]]></link><description><![CDATA[The working principle 
1. Motor driven test platform rotation; 
2. The cylinder output pressure is applied to the sample; 
3. Output digital signal of touch screen; 
4.PLC controls the rotation Angle]]></description><pubDate><![CDATA[20210424]]></pubDate></item>
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<title><![CDATA[YFT-D300 Pressure Relief Valve Test Bench for Safety Valve Pressure Calibration and Sealing Test]]></title><link><![CDATA[https://king3834656.en.ec21.com/YFT_D300_Pressure_Relief_Valve--11745449_11747554.html]]></link><description><![CDATA[the following: safety door and touch screen computer monitoring system.working principle and structure The YFT-D safety valve performance test bench integrates with machine, electricity and liquid. I]]></description><pubDate><![CDATA[20230330]]></pubDate></item>
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<title><![CDATA[IEC61180-1 Impulse Withstand Voltage Generator with 1.2/50us Waveform]]></title><link><![CDATA[https://pegogroup.en.ec21.com/IEC61180_1_Impulse_Withstand_Voltage--11421920_11425210.html]]></link><description><![CDATA[Working environment: 15℃~35℃ (temperature), 10%~75% (humidity)
9) Working power: 220V±10% AC, 50/60Hz
10) Dimension: 470mm*260mm*500mm (W*H*D)
11) Weight: 35KG 
4. Principle and waveform
1) 1.2/]]></description><pubDate><![CDATA[20210805]]></pubDate></item>
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<title><![CDATA[DB-30 Type Power-driven Gauge Length Meter]]></title><link><![CDATA[https://lgcs201088.en.ec21.com/DB_30_Type_Power_driven--6690053_6690091.html]]></link><description><![CDATA[Working principle
This equipment use micro-motor as the power, through drive high precision ball screw rotation synchronously, thus promote the punch movement horizontally .Screw rotated every circle]]></description><pubDate><![CDATA[20211028]]></pubDate></item>
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<title><![CDATA[V-Sorb 4800P Surface Area and Porosimtery Analyzer]]></title><link><![CDATA[https://goldapp.en.ec21.com/V_Sorb_4800P_Surface_Area--7277224_7277115.html]]></link><description><![CDATA[principle. Multi pioneered techs heighten accuracy and consistence of results, enhance measurement stability, all these lead to a leading level among world technology. It designed from the user persp]]></description><pubDate><![CDATA[20240118]]></pubDate></item>

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