Table 13 Test specifications of EQM thermal cycling test and thermal vacuum test

Items	EQM thermal cycling test	EQM thermal vacuum test
No. of cycles	10	4
Temperature range	–10°C to 50°C
Stabilization condition	≤ 0.5°C/20 min	≤ 1°C/1 hr for nominals≤ 0.5°C/4 hr for TBT
Tolerance	–0°C/+3°C at hot–3°C/+0 °C at cold
Pressure	Normal pressure	≤5 × 10E-5 torr (initial)≤1 × 10E-5 torr (nominal)
No. of sensors	8	26
Reference temperature	Battery