RaceTek GT Servo Tester

RaceTek GT Servo Tester
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Price: $10.99
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The Racetek GT Power RC Servo Tester allows you to set up, test, & center up to 3 servos at one time! Additionally, you can utilize this servo tester for operating your ESC when installed in the aircraft without the need of a receiver.  Featuring a Manual, Neutral, & Auto button, you can quickly move from one function to the next with a quick press of your finger.

To use:  

  • Add 4.8-6.0V power source into right port
  • Plug desired servo into left port 
  • Use selection button to toggle between modes


Verified Owner
Sunday, Mar 10 2019 (about a year ago)
RaceTek GT Servo Tester
Mine works fine. Great for testing servos and motors. The problem that the other reviewers are having is most likely because they are using 4 AA batteries, which is too much power. If they only used 3 AAs they might not have problems with jitters and over heating. However, they're right about the ultra-bright LED, it can singe your retinas. Simple solution: don't stare at it.
Sunday, Dec 29 2019 (11 months ago)
RaceTek GT Servo Tester
I have not used the device, but wanted to respond regarding the use of AA batteries. It depends on the type of AA battery! they can range from 1.2V (dry cell alkaline) to 3.6V (lithium). If the other reviewers were using standard dry cell alkaline batteries, 4 AA's would only be 4.8V.
Tuesday, Oct 8 2019 (about a year ago)
RaceTek GT Servo Tester
I purchased one through my work over 10 months ago and as I do RC tech work for Hobbytown it sees plenty of use. I run it with a 5c NiMH receiver pack and it works perfectly. Well worth the purchase. My only (half) gripe, is that the led lights on mine are SUPER bright and will blind you. Thanks for the great product RaceTek!
Verified Owner
Friday, Dec 14 2018 (about a year ago)
RaceTek GT Servo Tester
I don't write reviews often and usually only good ones, but this product is one of the most disappointing of recent memory. Don't waste your time (and money). To be fair it does make the servo move, but there is a crazy amount of jitter that causes servos to freak out and heat up. The LEDs are BLINDING bright; need to cover them in order to see anything on the front of the unit. I'm still seeing spots. I powered with a 4 AA battery pack.
Verified Owner
Wednesday, Jan 16 2019 (about a year ago)
RaceTek GT Servo Tester
bought one and very disappointed. after connecting power, makes servo very jerky. Not smooth like i have seen others when using. only used 4 AA batteries to power it...not happy