{"product_id":"professional-digital-esr-capacitance-resistance-meter-auto-display-lcd-100-khz-in-circuit-tester-capacitance-capacitor-test","title":"Professional Digital ESR Capacitance Resistance Meter Auto Display LCD 100 KHz In Circuit Tester Capacitance Capacitor Test","description":"\u003cdiv\u003e\u003cspan\u003e\u003cp\u003e\u003cspan\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eFeatures:\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eJINGYAN MESR-100 V2 Auto-ranging capacitor ESR and Low Ohm Meter\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eMeasuring range from 0.001 to 100.0R, support IN CIRCUIT Testing.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eUsing true 100 KHz sine wave to measure the ESR value, which is equal to the testing method of capacitor manufacturer.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eIn the market, there is some technique using short pulse method to testing, but the value will be varying vs the capacitance and sometimes reading is different from the manufacturer's value.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWhat is ESR of capacitor?\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThere is a series resistor inside capacitor, using 100kHz to remove the impedance 1\/(2*pi*F*C), the impedance become small, and we can then measure the true series resistor value.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eA bad E-capacitor will have larger ESR and create large ripple rather than filtering noise. Normally, a big capacitor is larger than 3 ohm.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eUsing this theory, we can measure the capacitor is bad\/ damaged or good in condition.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eBecause our ESR meter only applies less than 15mV DC or peak to peak on a good capacitor, as a result we can use it as in circuit test. Because this low testing voltage, it cannot turn on the semiconductor inside a circuit under testing.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eDuring repairing TV, LCD, Audio board, etc. we can in circuit testing the capacitor is good or not.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e*Dual terminal, for fast and easy inspect general capacitor or resistor, a printed ESR table for fast check\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eCompare MESR100 old V1 and new V2 Improvement: \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e1)     Change square wave to sine wave 100 KHz, reduce square wave’s high frequency component, and affect the reading passing the test leads and capacitor.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e2)     Higher Resolution up to 0.001 ohm.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e3)     128X64 dot matrix LCD, with more larger value display and information\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e4)     Embedded 25V capacitor table at LCD, auto display the capacitor is good or bad reference to common 25V electrolytic capacitor.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e5)     New plastic case, curve design for hand carrying. New stand for 60 degree stand on desk.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e6)     Use 2X AA battery, more convenience and longer battery life than 9V battery.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e7)     Support external USB power, using standard micro-USB port.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eSpecification:\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e      Range\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e   Accuracy (After Zero, tested with 1,10,100R resistor)\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e   Refresh Time  (Manual Mode)\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e*Auto mode take  0 to 2s more time depend on value\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e       0.000 to 1.000R\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e   1%+2Digit\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e   ~0.4s\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e       1.000 to 10.00R\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e   1%+1Digit\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e   ~0.4s\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e       10.00 to 100.0R\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e   2%+1Digit\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e   ~0.4s\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e   \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\u003c\/span\u003e\u003c\/div\u003e","brand":"mickcara","offers":[{"title":"0000","offer_id":40370849841289,"sku":"01775-1","price":98.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0365\/2131\/2393\/products\/67601f4cac56881b63546e4e4f00c499.jpg?v=1653395251","url":"https:\/\/mickcara.com\/fr\/products\/professional-digital-esr-capacitance-resistance-meter-auto-display-lcd-100-khz-in-circuit-tester-capacitance-capacitor-test","provider":"mickcara","version":"1.0","type":"link"}