MIL-DTL-26517B
Table I. Order of qualification tests.
SAMPLE NUMER
SEQUENCE
QUALIFICATION
PARAGRAPH
1 2 3 4
1
Examination of product
4.5.1
x
x
x
x
2
Voltage regulation
4.5.2
x
x
x
x
3
Insulation
4.5.4
x
x
x
x
4
Efficiency
4.5.5
x
x
x
x
5
Frequency influence
4.5.6
x
x
x
x
6
Ripple voltage
4.5.10
x
x
x
x
7
Over-voltage
4.5.13
x
8
Power factor
4.5.14
x
9
Transient voltage
4.5.15
x
10
Parallel operation
4.5.7
x
x
x
11
Overload
4.5.8
x
12
Variables affecting output voltage
4.5.3
x
13
Radio interference
4.5.9
x
14
Endurance
4.5.11
x
x
Environmental
4.5.12
15
Low temperature
4.5.12.1
x
16
Temperature-altitude
4.5.12.7
x
17
Shock
4.5.12.8
x
18
Acceleration
4.5.12.9
x
19
Explosion-proof
4.5.12.10
x
20
Vibration
4.5.12.4
x
21
Fungus
4 5.12.5
x
22
Sand and dust
4.5.12.6
x
x
23
Humidity
4.5.12.2
x
24
Salt spray
4.5.12.3
x
4.4 Acceptance tests. Acceptance tests shall consist of the following:
a.
Individual tests (see 4.4.1)
b.
Sampling plan and tests (see 4.4.2).
4.4.1 Individual tests. Each power supply shall be subjected to the following tests as described under 4.5:
a.
Examination of product (see 4.5.1)
b.
Voltage regulation (see 4.5.2)
c.
Insulation (see 4.5.4).
4.4.2 Sampling tests.
4.4.2.1 Sampling plan. Two power supplies shall be selected at random from each 100 or fraction thereof
produced and subjected to the following tests as described under 4.5:
a.
Transient voltage (see 4.5.15)
b.
Short circuit (one time only) (see 4.5.8.3)
9
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