Chapter 9 – Maintenance
TestEquity 1007C Temperature Chamber Page 9-5
15. After stabilization, the chamber temperature should vary no more than ±0.5°C, or a total of
1°C.
16. Set the Temperature Controller Set Point to –73°C.
17. The chamber should approach –73°C and control (Cool Light cycles ON/OFF) within
approximately 5 minutes.
18. Set the Temperature Controller Set Point to +23°C. The chamber should begin to heat up.
The compressors should turn off within approximately 1 minute.
19. This concludes the chamber performance verification tests.
20. Let the chamber heat up to +23°C before turning the Master Switch OFF.
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