Garmin GNS 480 Installation Manaul page 135

APPENDIX A - CERTIFICATION DATA
NVIRONMENTAL
A.1 E
The GNS 480 has been tested to the following environmental categories per procedures defined in RTCA/DO-160D.
Tests were conducted from September 2002 to April 2003 using the original 1997 revision of DO-160D and
specification defined in PD3107.
Nomenclature: GNS 480
Part No.: 430-6100-8xx-xxx
TSO No.: C34e, C36e, C37d, C38d, C40c, C113,
C128, C146a
Conditions
Temperature and Altitude
Temperature Variation
Humidity
Operational Shocks and Crash Safety
Vibration
Explosion Proofness
Waterproofness
Fluids Susceptibility
Sand and Dust
Fungus Resistance
Salt Spray
Magnetic Effect
Power Input
Voltage Spike
Audio Frequency Conducted Susceptibility - Power
Inputs
Induced Signal Susceptibility
Radio Frequency Susceptibility (Radiated and
Conducted)
Emission of Radio Frequency Energy
Lightning Induced Transient Susceptibility
Lightning Direct Effects
Icing
Electrostatic Discharge (ESD)
Remarks:
[1] Operation at 55,000 feet verified for 30 minutes following decompression.
[2] Also passed Category P In Flight Loss of Cooling (180 min at +30 °C) with internal fans not operating.
[3] Also passed Category A except power interrupt endurance is limited by software to 50 msec.
[4] Helicopter vibration tests performed with W
create the DO-160D Figure 8-7 values of 2.97 and 4.20 grms respectively.
• Passed the Thermal Shock test (+55C to -20C in < 20 sec) required by TSO C113 (per AS8034 paragraph 5.23).
• Passed the Operating Overpressure test (170 kPa) required by TSO C113 (per AS8034 paragraph 5.2.5).
• Passed GPS L1 Radiated Susceptibility test (20 mV/meter) required by TSO C146a (per DO-229C para 2.4.1.2.3).
GNS 480 (CNX80) Installation Manual
UALIFICATION
Q
Environmental Qualification Form
Manufacturer:
Garmin AT
2345 Turner Road SE
Salem, Oregon 97302
Section
Equipment tested to Category C1 & A1
4
Operating temp: -20ºC to +55ºC
Short time high temp: to +70ºC
Ground survival temp: -55ºC to +85ºC
Altitude: 35,000 feet
Decompression: 55,000 feet [1]
Overpressure (non-operating)
No external cooling required provided internal fans are
unobstructed and operating. [2]
5
Equipment tested to Category C, 2°C/min
6 Equipment tested to Category A, standard humidity environment
7 Equipment tested for both operational and crash safety shocks to
Category B Type 5R
Equipment operated normally after crash shocks.
(20 Gs at 11 msec (impulse) and 3 sec (sustained))
8 Equipment tested without shock mounts to Category S (Curves
B, M) and Category U (curves F, F1) [4]
9 Equipment identified as Category X, no test required
10 Equipment identified as Category X, no test required
11 Equipment identified as Category X, no test required
12 Equipment identified as Category X, no test required
13 Equipment identified as Category X, no test required
14 Equipment identified as Category X, no test required
15 Equipment is Class Z (Dc is at 0.185 meters)
16 Equipment tested to Category B (14 and 28 VDC system) [3]
17 Equipment tested to Category A
18 Equipment tested to Categories A & B
19 Equipment tested to Category C
20 Equipment tested to Category VV- (Category V Conducted,
Category V Radiated. No Pulsed test performed.)
21 Equipment tested to Category M
22 Equipment identified as Category A3 B2
23 Equipment identified as Category X, no test required
24 Equipment identified as Category X, no test required
25 Equipment tested to Category A
2
= 0.0392 g /Hz for curve F and W
0
560-0982-01 Rev L
Appendix A - Certification Data
Description of Conducted Tests
2
= 0.0785 g /Hz for curve F1. These levels
0
A-1