Products > Test Equipment
Mastech MS5308 LCR meter with ESR measurement - on discount at the moment
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jtronix:
Please upload video of in circuit measurement of capacitor and ESR.
jwrtiger:

--- Quote from: KD0CAC John on December 05, 2012, 01:47:11 pm ---POWER SUPPLY vs. BATTERY
I finally picked up a large package of batteries , in order to do the test .
I powered up the meter , then went through the calibration procedure , then found a NOS 3 watt 100 ohm carbon resistor that was waiting to get put away .
It measured about 109.?? [ this was yesterday and did not write down the last digits ] and with the meter plugged in to the power supply , with batteries installed , I pulled the plug from the PS at the meter and no change to the reading , even at the the lowest number .??? , plugged back in PS and again no change .
Again thanks for the video . 

--- End quote ---


I was wondering if you would test a resistor 10 k-ohms or higher.  The reason is I think at low values there was not much change but at higher values the problem starts to appear.  I do hope you have a good external supply and again I am happy you found the video useful.   John

KD0CAC John:
I'l check out with some other values and get here with the info .
jwrtiger:
I did a follow up to the Mastech LCR Tester's external power module.  The video is on YouTube:

  http://youtu.be/hA_0GnNO_2A

John
T4P:
HOLY CRAP IT ACTUALLY HAS A FUSE.  ::)
Anyway, it lacks a inductor :o
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