Temperature measured using thermocouple probe not using the controller reading so the actual reactor temperature is shown.
A comparison is shown between 15psi pressure of compressed air (very standard in all fume cupboards) and 50psi pressure air. -80°C was achieved in 20 mins using 50psi but still achieved in 30mins using 15psi.
The dry box was installed and no ice and very little condensation was formed.
Once the set temperature is reached very little liquid nitrogen is needed to maintain it.