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Apollo 204 Review Board Appendix C Section 2 - NASA's History ...

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SMZA-03-SC01 Z<br />

APOLLO OPERATIONS HANDBOOK<br />

I<br />

PERFORMANCE<br />

, ,TANK QUANTITY<br />

1 H2 2 I<br />

02 2<br />

Figure 4-4. EPS (Cryogenic Storage) Tank Quantity Indicators<br />

Indicator Scale<br />

FUEL CELL-FLOW-H 2<br />

FUEL CELL-FLOW-O 2<br />

FUEL CELL-MODULE<br />

TEMP-SKIN<br />

FUEL CELL-MODULE<br />

T_P-CONI _ EXH<br />

Basic Date<br />

EPS Fuel Cell Power Plant Indicators.<br />

Instrument markings for the EPS fuel cell power plant<br />

%<br />

SM-2.A-691B<br />

indicators (MDC-18) are shown in figure 4-5. The accuracy for<br />

each indicator scale and the measurement number of the<br />

associated signal is as follows:<br />

Measurement Number Indicator Accuracy<br />

sc 2139 R (F/C i)<br />

SC 21ho R (F/C 2)<br />

SC 21hl R (F/C B)<br />

SC 2141 R (F/C l)<br />

SC 2143 R (F/C 2)<br />

SC 2144 R (F/C 3)<br />

SC 2084 T (F/C I)<br />

sc 2o85 T (F/C 2)<br />

SC 2086 T (F/C 3)<br />

SC 2081 T (F/C I)<br />

SC 2082 T (F/C 2)<br />

sc 2083 T (F/C B)<br />

±0.005 ib/hr at 75"F<br />

+-0.0075 ib/hr at 0 ° and<br />

150" F<br />

+-0.05 hr/hr at 75@F,<br />

and at 0 ° and 150°F<br />

At 75"F, ±7'F for bOO ° to<br />

550" scale and 3% of remain-<br />

ing scale. At 0 @ and 150"F,<br />

+-i_ F for 400 @ to 500" scale<br />

and 3% of remaining scale.<br />

+-3°at 75°F<br />

+-5"F at 0" and 150°F<br />

CREW DISPLA_ INSTRUMENT MARKINGS AND ACCURACY DATA<br />

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