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Your cart is empty. Model: FDQ1
Apply to:10-1000V
Quick Discharge:(100U/400V, ≈5S)
FUNCTION INSTRUCTION:
A.The capacitor discharger is designed for discharge the capacitors(10-1000V) of electric appliances (such as: switching power supply; digital cameras, mobile phones, power panel of TV etc. in maintenance). Can't discharge the battery.
B.It avoids electric shock and short circuit effectively.
C.The voltmeter can display the voltage change during discharge. When the voltmeter is off, the discharge is completed.
D.No polarity in discharge.No sparking.
E.Constant current discharging.
DIRECTIONS:
A.Discharger self-test: Short contact the AC110-220V power supply with the probes, there is screen display and buzzing sound remainder, it shows the discharger work properly.
B.The probes contact the capacitor with no polarity, then discharge starts. Screen display.
C.The discharger discharges to about 6V, the screen display turns off. After 2-5 seconds, the discharger can continue to discharge to below 2V.
NOTE:
You can only discharge high-voltage(10-1000V) capacitors offline, and cannot be used as an electronic load (Do not discharge while charging). Can’t discharge for Electrostatic double-layer capacitor.
Nickp
Reviewed in the United States on January 28, 2025
This product is simple and cheap but is a must have for your tool box all you do is put the probes on common and herm then Common and fan for a few seconds and it discharges the capacitor making it safe to handle and test if it has voltage the screen will show the number and will show the voltage drop down to nothing I am so happy I bought this makes my life easier and my apprentices life safer lol
HanTy
Reviewed in the United States on June 9, 2024
These work great!
MICHAEL MCCARTHY
Reviewed in Australia on June 8, 2024
The indicator didn't work,
Customer
Reviewed in the United States on May 29, 2024
Wish I had tried this sooner. Digital readout does not work but past the return date.
Kevin Stewart
Reviewed in Canada on November 7, 2023
The tech are more confided who working on E Bikes
angelles
Reviewed in the United States on November 20, 2022
Definitely does as advertised
Richard J.
Reviewed in the United States on September 5, 2021
thank.
Rick H.
Reviewed in the United States on December 7, 2021
The product worked well. I had some suspect capacitors that I needed to discharge. The product worked as advertised. The capacitors were successfully discharged.
Bill S
Reviewed in the United States on November 27, 2021
Could write a book here. What it isn't; a passive resistive load that will fully discharge a capacitor to zero. The red and black jacks attach your probes to the part you want to discharge (no need for an external voltage source applied to the 2mm jack). Upon connection meter will come on and display the cap voltage (waning quickly) and then shut off. Sounds easy but there is still around 10 to 15V present. What this is: an active load utilizing transistor Q1 that current sinks until the cap voltage is to the point where the display and discharging circuitry runs out of operating voltage and then the display shuts down and the load across the probes goes high Z. There is a generous portion of proprietary goop on much of the circuitry so I'm not going to reverse engineer this further. I don't want to use this unit as a guinea pig to see if the red and black leads cease being a load and act as a high Z DVM for measuring voltages when the 2.1mm plug is provided with an external voltage vaguely described as 12/24v. Does that mean 12-24 volts? By the way the 2.1mm jacked is center POS via diode D1. Full wave rectifier DB1 allows for AC and more importantly DC of either polarity to convert this to a sample DC for a cheapo DVM if you've worked out the external power supply enigma. This works fine for me to remove the brunt of the voltage when I'm servicing vacuum tube amplifiers with 400-500v caps no larger than 100uF. The quick meter display gives me certainty that I'm actually discharging the cap, at least down to the 10 or so voltages across the supply filter caps. That residual voltage across that small capacity won't hurt any of the tube amp circuitry or myself and I can come in for the kill with an alligator clip to finish the deal. Obviously if you're working with several thousand uF and sensitive circuitry this is not going to be on your dinner plate. So, in short (ha, ha) this works for me. Can't give this 5 stars due to the extremely crappy info provided along with equally vague youtube videos.
ag3mp
Reviewed in the United States on December 26, 2020
It works great. The exterior build quality looks great. The leads appear well built with good protection while not in use. The care in the quality for the price is commended. I discharged a 400V capacitor in about 10 seconds or less.However, I returned it because I learned my multimeter can also discharge up to 600V using the low impedance function.The multimeter doesn't discharge as fast but it can do 400V it in about 15 seconds and it can't go as high as 1000V.
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