Table 3.

Experiment Verification Tests (EVTs)

EXPOSE-R2 EVT part 1	BIOMEX Experiment
Test parameter	performed
Vacuum	7 d, pressure: 3.5 × 10−2 ± 0.12 Pa
10−5 Pa
Mars atmosphere	7 d, pressure: 6.5 × 102 ± 0.12 Pa
(CO2 gas composition)
103 Pa
Temperature	48 cycles
−10°C to +45°C	8 h each
Temperature max and min	−25°C ± 0.5°C, 1 h
−25°C and +60°C	+60°C ± 0.5°C, 1 h
Irradiation	0 s → 0 J/m2
254 nm	18 s → 10.1 J/m2
Hg low-pressure lamp	2 min 59 s → 100.2 J/m2
@ 56 μW/cm2	29 min 46 s → 1000.2 J/m2
	4 h 57 min 37 s → 9999.9 J/m2
EXPOSE-R2 EVT part 2 (run 1 + 2)	BIOMEX Experiment
Run 1	0 s → dark
Irradiation	18 min →1.4 × 103 kJ/m2
200–400 nm	3 h → 1.4 × 104 kJ/m2
SOL2000	30 h → 1.4 × 105 kJ/m2
@ 1,271.2 W/m2200–400nm	99 h → 4.5 × 105 kJ/m2
	148 h → 6.8 × 105 kJ/m2
Run 2	0 s → dark
Irradiation	432 s → 5.5 × 102 kJ/m2 (0.1% ND filter)
200–400 nm	1 h 12 min →5.5 × 103 kJ/m2 (1.0% ND filter)
SOL2000	30 h → 1.4 × 105 kJ/m2
@ 1,271.2 W/m2200–400nm	60 h → 2.7 × 105 kJ/m2
(as for a 12-month mission duration)	120 h → 5.5 × 105 kJ/m2
Gluing test	>24 h vulcanization, glue: Wacker-silicone

ND: neutral density.