Specifications
NightStar II
30 seconds of shaking provides
20 minutes of illumination
Waterproof to a depth of 2200-ft
Weight / Mass / Length
11 oz / 308 gr / 11" (25.4 cm)
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Weight / Mass / Length
11 oz / 308 gr / 10” (25.4 cm)
Maximum Light Ouput
7,600 LUX (720 FT. CANDLES)
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Submersion
Operational at an ocean depth of 2210 ft (674 m). [Equivalent pressure crush point 960 PSI]
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Impact Resistance
Fully operational after random repeated drops from a height of 4-ft (1.2m) onto a tile covered concrete surface.
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Corrosion Resistance
Operational after 3 days immersion in solutions of salt water, isopropyl alcohol, ammonia, phosphoric acid *, acetic acid *, drain cleaner *, Ajax *, motor oil and diesel fuel (* 10% solutions).
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Hazardous Gas Certification
Meets all test criteria for MIL-STD-810F, Test Method 511.4: Military Standard Reliability Program. Gas Mixtures tested: Acetylene (Group A), Hydrogen (Group B), Ethylene (Group C), Hexane (Group D), Natural Gas (Group D), Aviation AV/Gas 100 / 130.
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Electromagnetic Compatibility
Conforms to Council Directive 89/336/EC. Measured RF levels are far below limits for all frequencies.
Temperature
Storage: -50F (-45C) to 140F (60C)
Operation: -40F (-40C) to 130F (55C)
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NightStar's beam at 2 ft after 2 minutes (white light StarCore® LED shown)
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| Magnetic Field Strength |
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Single Unit |
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Case (alternating packing) |
| @ |
1 ft. |
2 ft. |
4 ft. |
8 ft. |
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@ |
1 ft. |
2 ft. |
4 ft. |
8 ft. |
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| Axis 1 |
.03 |
.005 |
.0005 |
.00001 |
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.22 |
.002 |
.0001 |
.00001 |
| Axis 2 |
.06 |
.007 |
.0005 |
.00001 |
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.006 |
.001 |
.0000 |
.00000 |
| Axis 3 |
.13 |
.028 |
.0040 |
.00050 |
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.06 |
.006 |
.0010 |
.00001 |
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Note: All values are in Gauss. Axis 1 is parrallel to the housing, Axis 2 is perpendicular to the housing, Axis 3 is perpendicular to the end of the light. For reference purposes, a field of .005 G deflects a compass needle by less than 1 deg.
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Sound Emission
Overall Sound Power Level: 63.6 dB
Sound pressure levels:
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| No# of units |
Distance (ft.) |
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1 |
10 |
100 |
1K |
10K |
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| 1 |
.65 |
45 |
25 |
5 |
0 |
| 12 (squad) |
76 |
56 |
36 |
16 |
0 |
| 36 (platoon) |
81 |
61 |
41 |
21 |
1 |
| 108 (company) |
86 |
66 |
46 |
26 |
6 |
All values are A-Weighted Sound Pressure Levels. For reference purposes, a pressure level of 40 is equivalent to an urban neighborhood at night far from roads. A pressure level of 20 is an empty recording studio.
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