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Environment specifications, 3 environment specifications – Comtech EF Data KST-2000L User Manual

Page 27

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Satellite Terminal System

Revision 2

Summary of Specifications

MN/KST2000L.IOM

2.3 Environment

Specifications

Table 2-8. Converter Unit and SSPA Environmental Requirements

Parameter

Requirements

Temperature

Operation: -40 to 55

°C (-40 to 131°F)

Survival: -50 to 75

°C (-58 to 167°F)

Thermal Gradient

40

°C/hour

10

°C/15 minute

Humidity

0 to 100% relative at -40 to 55

°C (-40 to 131°F)

95% at 65

°C/72 hours

Precipitation MIL-STD-810,

Method 506.2 Proc I, 5.2 inches/hour

Salt Fog

MIL-STD-810, Method 506.2

Sand and Dust

MIL-STD-810, Method 509.2

Altitude

MIL-STD-810, Method 510.1
Operational: 0 to 15,000 ft
Survival: 0 to 50,000ft

Solar Radiation

360 BTU/ft

2

/hr at 50

°C (122°F)

ES Discharge

Operational: 10 KV
Survival: 15 KV

Shock

Operation: 10 g for 10 mS (half-sine) on three axis
Survival: 40 g for 10 mS (half-sine) on three axis

Vibration

Survival – 5minute resonant dwell at four major resonances at 1 g
peak.
Survival – 2.41g

rms

of random vibration as listed below, 10

minutes/axis

Frequency

5 to 100 Hz
100 to 137 Hz
137 to 350 Hz
350 to 500 Hz
500 Hz

Slope

0

-6 dB/oct

0

-6 dB/oct

0

PSD

0.20 g

2

/Hz

-
0.0107 g

2

/Hz

-
0.0052 g

2

/Hz

Operational – 0.91 g

rms

of random vibration as listed, 10

minutes/axis

Frequency

5 to 350 Hz

350 to 500 Hz

500 Hz

Slope

0

-6 dB/oct

0

PSD

0.0015 g

2

/Hz

-
0.00074 g

2

/Hz





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