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<title><![CDATA[EC21 Product Catalogs - frequency meter instrument]]></title>
<link><![CDATA[https://www.ec21.com/ec-market/frequency_meter_instrument--270399/1/frequency meter instrument.html]]></link><item>
<title><![CDATA[Gf312v2s High Precision Onsite Portable Three Phase Reference Meter]]></title><link><![CDATA[https://gfuve0123.en.ec21.com/Gf312v2s_High_Precision_Onsite_Portable--10658146_11989335.html]]></link><description><![CDATA[frequency etc;
Input two pulse signal for master and slave meter synchronously calibration;
5A, 20A, 100A, 200A, 500A, 1000A, 2000A, 3000A, 6000A current clamp optional;
Measurement U &amp; I of harmonic]]></description><pubDate><![CDATA[20240821]]></pubDate></item>
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<title><![CDATA[Portable Three Phase Multifunction Watt-hour Meter Calibrator]]></title><link><![CDATA[https://19231268221.en.ec21.com/Portable_Three_Phase_Multifunction_Watt--11987968_11987969.html]]></link><description><![CDATA[meter error;
Measurement of U, I, P, Q, S, phase angle, power factor, frequency etc;
Input two pulse signal for master and slave meter synchronously calibration;
With smart optical sampler, suitable ]]></description><pubDate><![CDATA[20240819]]></pubDate></item>
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<title><![CDATA[CP11B Single Phase Power Calibrator and Tester]]></title><link><![CDATA[https://calmet.en.ec21.com/CP11B_Single_Phase_Power_Calibrator--6924553_9462432.html]]></link><description><![CDATA[The CP11B Calibrator and Tester is used for calibration and testing a wide range of measuring instruments used in power engineering and enables testing:
- AC voltmeters, AC ammeters, frequency meters]]></description><pubDate><![CDATA[20150409]]></pubDate></item>
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<title><![CDATA[A Brief Introduction of Intrinsically Safe Barrier]]></title><link><![CDATA[https://chenzhu.en.ec21.com/A_Brief_Introduction_of_Intrinsically--11729194_11729220.html]]></link><description><![CDATA[instruments and meters, which does not affect the function of the measurement system under normal conditions. It is set on one side of the safe place, and when the intrinsic safe explosion-proof syst]]></description><pubDate><![CDATA[20230216]]></pubDate></item>

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