Cobra IG20SI User Manual page 33

Inverter generator, 4-stroke engine
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13. APPENDIX
13.1) Environment Correction
The standard condition of rated power output:
Altitude:0m
o
Ambient temperature:25 C
Relative humidity:30%
Factor of environment correction:
Ambient temperature℃
Altitude(m)
25
30
35
0
0.98
0.96
1
500
0.93
0.89
0.91
1000
0.87
0.85
0.82
2000
0.75
0.73
0.71
3000
0.64
0.62
0.60
4000
0.54
0.52
0.50
NOTE: Relative humidity 60% correction factorC-
0.01;
Relative humidity 80% correction factorC -
0.02;
Relative humidity 90% correction factorC-
0.03;
Relative humidity 100% correctionfactorC-
0.04;
45
40
0.93
0.90
0.87
0.84
0.80
0.78
0.69
0.66
0.58
0.56
0.48
0.46
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