The suspect device was not, as security feared, a hand grenade but a vibrator.
A spokesperson for the Bundespolizei (German Federal Police) said that the check-in was closed for up to an hour, causing delays to flights.
Meanwhile in Frankfurt
Just as this situation had been diffused, another incident was declared Frankfurt Airport Germany's hub for international travel.
On Tuesday areas of Frankfurt Airport were evacuated after what police called "an error by a security officer."
Passengers were escorted out of Terminal 1 after a family passed security with a "positive test for explosives."
The French family of four had been allowed to enter the departure lounge after.
Police did not say what had caused this explosives reading.
However, the ensuing chaos resulted in 49 flight cancellations and for evacuated passengers to be re-assessed by security before they could return to departures.
Social media showed scenes of confusion and complained of a lack of communication by the airport.
Frankfurt Germany's largest airport with around 1500 daily flights and this event had large knock on effects for flights.
The family were found and cleared after questioning, before being allowed to carry on.