36 MB pdf download - VIR History
36 MB pdf download - VIR History
36 MB pdf download - VIR History
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1 Section<br />
Porogrcph 3 s (14)<br />
NAVSHIPS 9rO47<br />
GEN*RAt<br />
DESCRIP"!ON<br />
ing. A terrninal board containing two screw connectors<br />
is provided for each speaker.<br />
(15) OHMN4ETER NAVY MODEL ZM-L/U<br />
(Fi,gu're 1-21).-The Ohmrneter Navy Model ZMl/IJ<br />
measlrres resistance between .5 and 200 megohms<br />
and is designed specifically to rneasure the leakage<br />
of balanced and unbalanced communication lines.<br />
The equipment consists of a 500 volt regulated power<br />
supply, a precision l0 megohm resistor, a D. C. microammeter,<br />
and various control switches. It operates<br />
from a 95-130 volt 50-60 cycle solrrce. For more complete<br />
information refer to NavShips 900,948. This<br />
Figure l-23. Frequency Meter Novy Model tR-t<br />
Mounted in Signol Distribution Unif<br />
Figure l-21. Ohmmeler Novy Model ZM-l/U, Front<br />
View<br />
Figure | -22.<br />
Volt-Ohm-Milliqmmeter Novy Modei<br />
OBQ.4<br />
component is Covernment furnished, and is not included<br />
in the contractor's shipment of equipment.<br />
(16) voLT - oHM - N{TLLTAMMETER NAVY<br />
MODEL OBQ-4 ( f igure 1-22 ).-\/acuum-Tube<br />
Volt-Ohm-N4illiammeter Navy Model OBQ-4 is a combination<br />
electronic A-C and D-C volt meter, ohmmeter,<br />
and milliammeter which can be used wherever it is<br />
necessary to make voltage, resistance, and current<br />
measuremqnt. For more complete inforrnation refer<br />
to NavShips 900,988. This component is Government<br />
furnished, and is not included in the contractor's shipment<br />
of equipment.<br />
(I7) FREQUENCY METER NAVY MODEL<br />
LR-l ( tr'i,gure 1-23 ).-The Frequency Meter Navy<br />
Model LR-l is intended to measure frequencies from<br />
f60 - 30,000 KCS. It consists of a single unit containing<br />
the power supply, heterodyne frequency meter,<br />
crystal calibrator, detector - audio amplifier, and electronic<br />
frequency meter. It operates from a 110-120<br />
volt 60 cycle power source. It requires 160 watts for<br />
operation. For more complete information refer to<br />
the instruction book entitled "Cornbined Hetero,Jyne<br />
Frequency Meter and Crystal Controlled Calibrator<br />
Equipment, Model LR-l." This compor;enr i.s Government<br />
furnished, and is not included in the contractor's<br />
shigment of equipment. Nzlounting AN Ti pe<br />
1-12<br />
RESTRICTED QfrlGrNAI
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