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<title><![CDATA[EC21 Product Catalogs - digital frequency meter]]></title>
<link><![CDATA[https://www.ec21.com/ec-market/digital_frequency_meter--270399/1/digital frequency meter.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[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[digital input barrier. Compared with Zener security, although it is more expensive, its outstanding advantages in performance bring greater benefits to user applications:
(1) Due to the use of three-]]></description><pubDate><![CDATA[20230216]]></pubDate></item>
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<title><![CDATA[SZT-5 Four Point Probe]]></title><link><![CDATA[https://lily29936.en.ec21.com/SZT_5_Four_Point_Probe--4819978_4820024.html]]></link><description><![CDATA[frequency equipment.
II Technical parameters
1) measuring range
(1) resistivity: 0.01-200Ω-cm
(2) block resistance: 0.01-200Ω-/â¡
(3) resistance: 0.01-200.0Ω
2) digital voltmeter
(1) measuring]]></description><pubDate><![CDATA[20200415]]></pubDate></item>
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<title><![CDATA[C200 - Single Phase Power Calibrator]]></title><link><![CDATA[https://calmet.en.ec21.com/C200_Single_Phase_Power_Calibrator--6924553_6924655.html]]></link><description><![CDATA[meters and are simultaneously indicated on 4.5 digit LED displays. Frequency and phase shift are also set by multi-turn potentiometers and are displayed on 4 digit LED displays too.
Instruments to be]]></description><pubDate><![CDATA[20150409]]></pubDate></item>

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