Sugar Sensor - Barrier in Immersion and Installation on Shabbat | Sheilot

Sugar Sensor - Barrier in Immersion and Installation on Shabbat

Question

A sensor [detector] for diabetics attached to the hand and can be removed. A] Does it constitute a barrier in immersion? B] Is it permissible to remove it on the eve of Shabbat to reattach it after immersion on Shabbat night due to pikuach nefesh? Thank you

Answer

Shalom and blessings 

A. It constitutes a barrier in immersion. 

B. It is permissible to reattach on Shabbat due to pikuach nefesh. 

Answered 4 November 2025 How answers are reviewed
Rabbi Israel Cohen
Answered by
Answers questions at Rav Amram Fried's Beit Horaah
Smicha "Yoreh-Yoreh" (2012), Rav Amram Fried's Beit Horaah
Orach Chaim, Yoreh Deah
About the Rabbi

Source

According to the instructions of the Gaon, Rabbi Amram Fried, shlita

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