Swiss Journal of Geosciences

Table 1 Specifications of the pressure and temperature sensors installed in BDB-1 borehole

From: Comparative study of methods to estimate hydraulic parameters in the hydraulically undisturbed Opalinus Clay (Switzerland)

Sensor type	Temperature	Pore pressure
Model	IST AG PT1000	Keller AG PAA-33X
Validity range	−50 to 650 °C	0–50 bars (absolute)
Accuracy	± (0.15 + 0.002 \|T\|) °C	0.05% FS

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