Skip to content
English
Show submenu for translations
Open main navigation
Close main navigation
English
Show submenu for translations
Go to www.raytechusa.com
Go to www.raytechusa.com
Let's find a Solution.
There are no suggestions because the search field is empty.
Raytech USA Help Center
Single Phase & Three Phase Ratiometers
Single Phase & Three Phase Ratiometers
Models: TR-Junior, TR-1, TR-1P TR-Spy, Mark II, Mark III, Mark III 250v
TR-Mark III 250V
How to do a system check?
Can I control the TR-Mark III 250V remotely from the LTC Controller?
TR-1
My TR-1 / TR-1P is displaying "System Protected"
I do not see a "Go" button with the TR-1 or TR-1P
General
Can I use a Raytech Transformer Ratiometer to test CT Ratio also?
My system won't power on.
I can't see the characters on my screen or the screen is all black.
![249401-Raytech USA logo_red edit.jpg]](https://support.raytechusa.com/hs-fs/hubfs/249401-Raytech%20USA%20logo_red%20edit.jpg?height=40&name=249401-Raytech%20USA%20logo_red%20edit.jpg){kind=small}