1. Temperature range: part of the test chamber ‒30—+50°C,
 cold and heat source circulation device ‒40—+60В°C;
2, ACC working temperature: test chamber part 50 В° C,
cold and heat source circulation device 60 В° C;
3, temperature fluctuation: test chamber part В± 0.2 В° C,
 cold and heat source circulation device В± 0.1 В° C;
4, cooling capacity 20 В° C temperature: test chamber
part 600W,cold and heat source circulation device 900W;
5, heating power: part of the test box 500W, cold and heat
source circulation device 1500W;
6, effective volume: test chamber part 175L, cold and heat
source circulation device 12L;