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Voltage current characteristics |
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|  MIL-T-48604(MU)
4.7.9 Beam exit diameter. - This test shall be performed utilizing a
fixed aperture (1.4mm) at the exit beam and measuring the power through
the aperture to determine compliance with the requirements of 3.7.9.
4.7.10 Voltage current characteristics. - This curve shall be estab-
lished at room ambient temperature, with the output power maximized and
a voltage drop across the tube assembly of between 1.2 and 1.6 KVDC. Vary
the tube current from five to 10 mini-amps and record voltage drop changes.
The curve shall be as specified in Figure 1.
4.8 Interchangeability. - This test shall be performed utilizing the
interchangeability gages conforming to Drawings B11739401 and B11739402
to determine compliance with 3.8.
4.9 Marking. - To determine compliance with 3.9, a visual examina-
tion shall be conducted as specified in MIL-STD-130.
5. PREPARATION FOR DELIVERY
5.1 Preparation for delivery shall be in accordance with the require-
ments of MIL-E-75, package group 23. For level A preservation-packaging,
each laser tube shall be inclosed in a sealed water-vapor-proof barrier
bag filled with desiccant.
6. NOTES
6.1 Intended use. - The laser tube assembly is used as part of a
Laser Tank Gunnery Trainer by the US Army. The Laser Tank Gunner Trainer
is a training device which will mount in the M73 Machine Gun Mount of the
M48A3 Tank, M60 Tank, M60A1 Tank and AR/AW, M551 and permit year around
training indoors or outdoors in the techniques of zeroing, accuracy and
rapidity of laying the gun using direct fire sights.
6.2 Ordering data. - Procurement documents should specify the follow(-
ing:
(a) Title, number and date of this specification.
(b) Applicable stock number.
(c) Requirements. for first article testing (see 4.1.2).
6.3 Warranty. - The laser tube manufacturer shall warrant the tube
for at least 18 months from the date of shipment. This warranty applies
where the tube is operated within the conditions specified herein.
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