MESR-100 ESR Capacitor Meter In Circuit Auto Range Capacitance Tester Measurer, US $69.99 – Picture 0

MESR-100 ESR Capacitor Meter In Circuit Auto Range Capacitance Tester Measurer, US $69.99 – Picture 1

MESR-100 ESR Capacitor Meter In Circuit Auto Range Capacitance Tester Measurer, US $69.99 – Picture 2

MESR-100 ESR Capacitor Meter In Circuit Auto Range Capacitance Tester Measurer, US $69.99 – Picture 3

MESR-100 ESR Capacitor Meter In Circuit Auto Range Capacitance Tester Measurer, US $69.99 – Picture 4

Mesr-100 Esr Capacitor Meter In Circuit Auto Range Capacitance Tester Measurer

US $69.99

Shenzhen, China
Jun 9th

Open on mobile:
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To quickly identify bad capacitors. What is ESR of capacitor? There 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. A bad E-capacitor will have larger ESR and create large ripple rather than filtering noise. Normally, a big capacitor is larger than 3 ohm. Using this theory, we can measure the capacitor is bad/ damaged or good in condition. Because 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. During repairing TV, LCD, Audio board, etc. we can in circuit testing the capacitor is good or not. Note: - Accuracy maybe affected by the test lead’s length and contact point resistance. (Standard test leads is 15cm) - PLEASE DISCHARGE THE CAPACITOR BEFORE TESTING, you can use a screwdriver to short circuit, or series with a resistor around 10 ohm and short for 5 to 10s. There is 2 fast diode inside the meter to prevent high voltage, but it is important to discharge the capacitor firstly, as it is a large surge current and voltage and may damage the meter. Package: 1 X ESR Capacitor 1 X Pair test clips Operating Introduction: POWER ON Press and hold the ON/ OFF circle orange button for 2 to 3 second to power on. Press and release the ON/ OFF button to shut down meter. AUTO/ MANUAL mode: Auto Range: Press and release the RANGE button and at the first line of LCD will show “AUTO:" At auto mode meter will automatically select the best range to detect. Manual Range: Scroll the manual range from 1R, 10R and 100R range by press and release the RANGE button In LCD will show MANUAL at first LCD line and show at second line: 0-1R, 1-10R and 10-100R. 1 Key Zero: Short circuit the test leads’ terminal, cancelling the wire resistance. Press and release the “ZERO" button, LCD shows “ZERO" and wait the zero disappear. If you are using the meter array socket, you need to use a short pin to short circuit to set zero. Backlight: LCD backlight will on during power on Auto Sleep: Around 10 hours for not testing, it will shut down automatically to save power. OVERFLOW or OL: Display overflow when the value is out of range, you can check that you are zero correctly. ESR TABLE: It is for reference only, different manufacturer of capacitor has different ESR, better to test a good cap ESR and compare with what you are testing, usually bad cap with higher ESR few times larger than good one. SOFTWARE ESR: Put the 25V Electrolytic capacitor value to LCD, and compare, GOOD if C < XXuF, means the capacitor maybe good condition if it is less than XXuF Specification: Range Accuracy (After Zero, tested with 1,10,100R resistor) Refresh Time (Manual Mode) *Auto mode take 0 to 2s more time depend on value 0.000 to 1.000R 1%+2Digit ~0.4s 1.000 to 10.00R 1%+1Digit ~0.4s 10.00 to 100.0R 2%+1Digit ~0.4s Accuracy Up to 1% (detail on above table) Wide Measurement Range: >1uF (for 0.1uF the error will be larger on equation 1/(2*pi*F*C) @ 100Khz ) High Resolution 4 digit, or 0.001Ohm @ 1 Ohm range Measuring voltage <~40mV RMS (TESTING VOLTAGE) Clamping voltage ~0.15V (open voltage) Battery 2X AA 1.5V battery Operating current 0.02A Welcome to our store!We supply many products including computers accessories, camera & camcorder accessories, phone accessories,car accessories & Consumer Electronics.High product quality, reasonable prices, excellent customer service and a reliable credit standing is our tenet. 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These charges are the buyer's responsibility. Please check with your country's customs office to determine what these additional costs will be prior to bidding or buying. Customs fees are normally charged by the shipping company or collected when you pick the item up. These fees are not additional shipping charges. 1.Our items come with one-year warranty. 2.Our warranty does not extended to any products that are physically damaged or that are not under normal operating conditions as a result of misuse or improper installation on the buyer/user's part. 3.This product comes with 30-Day Money Back Guarantee. 4.We stand behind every product we sell. If you're not pleased with your purchase, we'll be happy to make an exchange or refund. 5.For all returned products, please contact us for the returning address. 1.ALL replies will be sent to your email, if you don't get response within 1-2 business days, pls check your My Messages in case your email provider has an overly-aggressive spam filterblocking eBay's emails. Please email us AGAIN. 2.Email is the priority of our customer service. 1.You will receive our positive feedback as soon as you pay for your item. 2. Your better comments will be an encouragement for us to offer the better quality and the better service in future. 3.If you are not satisfied with them, please contact us first via Ask a Question or via Contact Seller. Your messages will be answered within 1-2 business day. We shall try our best to solve your problem to your satisfaction. On Jun-09-15 at 21:13:05 PDT, seller added the following information:

Condition:	New: A brand-new, unused, unopened, undamaged item in its original packaging (where packaging is applicable). Packaging should be the same as what is found in a retail store, unless the item is handmade or was packaged by the manufacturer in non-retail packaging, such as an unprinted box or plastic bag. See the seller's listing for full details. ...	Model	MESR-100
Support	IN CIRCUIT Testing
Measuring range	from 0.001 to 100.0R