Quickly and accurately tests 4 styles of electro-mechanical relays on most modern cars.
Coil test voltage 9 volts.
Suitable for various applications including relay coil resistance/relay contacts and cyclic testing. (Not suitable for later Ford 4-pin relay).
Colour coded performance indicator.
Relay coil resistance 20-50 ohms.
Relay contact resistance threshold 200 milliohms. CE, UKCA & RoHS compliant.