Nyeste anskaffelser av geofysiske instrumenter til magnetmåling i Norge
2013-05-08Automated cryogenic SQUID magnetometer for paleo- and rock magnetic measurements (The Geological Survey of Norway (NGU))
NGU needs a reliable automated cryogenic SQUID magnetometer for paleo- and rock magnetic measurements. The system must allow for automated measurements of natural remanent magnetization, anhysteretic magnetization and induced magnetization of small magnetic moments down to 10-9 Am2 in sediment u-channels (up to 150 cm length) and single samples (< 3x3x3 cm).
The instrument should be based on a pulse tube cryocooler allowing for completely liquid helium free operation, and effectively shield the samples …
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