German Foreign Ministry official Michael Roth, a deputy foreign minister, told reporters that Die Welt correspondent Deniz Yucel met with Consul General Georg Birgelen and a German consulate attorney in prison.
"He's doing well overall given the circumstances, but is finding the solitary confinement a great strain," Roth said.
It was the first consular contact Yucel has been allowed since he was arrested on charges of producing terrorist propaganda and incitement to hatred accusations he denies.
Roth thanked Turkey for providing access to Yucel, and said Germany expects to be able to continue to send consular officials to meet with him and is working to have him freed.
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"He's obviously being made a political project of," Roth said. "The case has a political and a legal dimension."
In campaign rallies last month Erdogan accused Yucel of being "a terrorist," "a German spy" and a "representative" of the outlawed Kurdistan Workers' Party or PKK, a rebel group which has waged an armed insurgency in Turkey for over three decades.
Yucel had sought refuge at a German diplomatic residence in Istanbul for several weeks before presenting himself for questioning.
Turkey's Foreign Ministry referred queries on whether the consular access would continue to the Justice Ministry. The Justice Ministry had no immediate comment
Roth said Yucel is only one of more than 100 journalists who are being detained in Turkey something he said had been brought up in talks with officials there.
"Rule of law, democracy and press freedom played a large role in all conversations," he said. "And I emphasized once more that it's not just about one case... But about the situation of journalists in Turkey in general."
"You don't have to be Turkish to make a concrete contribution to the freedom of the press in Turkey," he wrote.
The case has been one of several issues that have led to increased friction between Germany and Turkey in recent months.
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