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Cryostat Model 459
-80°C to -180°C
A Cryostat to calibrate thermometers over the range -80°C to -180°C, It requires the use of liquid nitrogen.
Nitrogen Boiling Point Apparatus
-185°C to -196°C
Isotech Nitrogen Boiling Point Apparatus is designed specifically to realise and maintain the liquid/vapour equilibrium (boiling point) of nitrogen or argon, for the calibration of thermometers on the International Temperature Scale of 1990.
Simple Nitrogen Boiling Point Apparatus Model 461
This model is a lower cost alternative to the ITL M 18205. This model is a simple apparatus open to the atmosphere comprising a stainless steel dewar flask filled with liquid Nitrogen, an insulating layer which houses a metallic equalising block and thermometer holder