Volume 1
MIL-HDBK-162A
Section 3
15 December 1965
ITEM NAME: AZIMUTH-RANGE INDICATOR
TYPE: IP-281B/UP
Pulse Repetition Frequency: 57 to 2000 cps
RELATION TO SIMILAR EQUIPMENT
Video Input: 1 to 2.5v pos
Trigger Input: 5 to 50v pos
IP-281B/UP is similar to IP-281A/UP except the IP-
Azimuth Rotation Speed: 0 to 20 rpm
281B/UP has a variable range marker.
They are
interchangeable.
INSTALLATION CONSIDERATIONS
TECHNICAL DESCRIPTION
Related Equipment: IP-281B/UP is used with but not
part of AN/SPS-21A, AN/SPS-21B.
Power Requirements: 115v plus or minus 11v, 60
cycles plus or minus 2 cycles, 1-ph, 200 va, 90%
pf.
PRINCIPAL COMPONENTS AND PHYSICAL DATA
SHIPPING DATA
COMPONENT
BOXES
OVERALL DIMENSIONS
UNIT WT.
(NR.)
(Inches)
(Pounds)
Azimuth-Range Indicator IP-281B/UP
1
28 x 33 x 44
263
PPI Tube 10WP7A
1
17 x 19 x 29
54
Equipment Maintenance Parts
1
9 x 11 x 14
15
Viewing Hood
1
11 x 11 x 13
3
EQUIPMENT SUPPLIED DATA
COMPONENTS
QTY
OVERALL DIMENSIONS
UNIT WT.
(Inches)
(Pounds)
Azimuth-Range Indicator IP-281B/UP
1
17-1/4 x 20-1/4 x 29-1/4
124
REFERENCE DATA AND LITERATURE
Technical Manuals:
NAVSHIPS 92285(A): for Azimuth-Range Indicators IP-281/UP,
IP-2BlA/UP, IP-281B/UP.
IP-281B/UP: 2
Previous Page
