Difference between revisions of "AN~URM-120"

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==Overview==
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Wattmeter AN/URM-120 (figure 1-1) is designed to measure incident and reflected r-f power from 10 to 1000 watts within a frequency range of 2 to 1000
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mc. Three coupler-detectors, each rated to cover a portion of this frequency range are supplied with the wattmeter.
  
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{| class="wikitable" style="width:50%; border:2px solid black;text-align:center;"
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!colspan="5"|Coupler Detector Characteristics
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|-
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|colspan="3"| 
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|colspan="2"|Insertion VSWR (Max value with type-N connectors on primary line)
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|-
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! scope="col" style="border-bottom: 2px solid black;white-space:nowrap;"|Model No.
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! scope="col" style="border-bottom: 2px solid black;white-space:nowrap;"|Freq Range (mHz)
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! scope="col" style="border-bottom: 2px solid black;white-space:nowrap;"|Power Range(Watts)
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! scope="col" style="border-bottom: 2px solid black;white-space:nowrap;"|Lowest Power Range
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! scope="col" style="border-bottom: 2px solid black;white-space:nowrap;"|3 Highest Power Ranges
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|-
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|style="white-space:nowrap;"|CU-753/URM-120
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|2-30
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|50, 100, 500, 1000
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|1.08
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|1.08
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|-
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|style="white-space:nowrap;"|CU-754/URM-120
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|25-250
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|10, 50, 100, 500
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|1.08
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|1.05
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|-
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|style="white-space:nowrap;"|CU-755/URM-120
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|200-1000
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|10, 50, 100, 500
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|1.08
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|1.05
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|}
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==Related Files==
 
;{{pdf|TM 11-6625-446-15.PDF|TM 11-6625-446-15}}
 
;{{pdf|TM 11-6625-446-15.PDF|TM 11-6625-446-15}}
 
:OPERATOR, ORGANIZATIONAL, FIELD AND DEPOT MAINTENANCE MANUAL
 
:OPERATOR, ORGANIZATIONAL, FIELD AND DEPOT MAINTENANCE MANUAL

Revision as of 15:24, 12 December 2013

Overview

Wattmeter AN/URM-120 (figure 1-1) is designed to measure incident and reflected r-f power from 10 to 1000 watts within a frequency range of 2 to 1000 mc. Three coupler-detectors, each rated to cover a portion of this frequency range are supplied with the wattmeter.

Coupler Detector Characteristics
  Insertion VSWR (Max value with type-N connectors on primary line)
Model No. Freq Range (mHz) Power Range(Watts) Lowest Power Range 3 Highest Power Ranges
CU-753/URM-120 2-30 50, 100, 500, 1000 1.08 1.08
CU-754/URM-120 25-250 10, 50, 100, 500 1.08 1.05
CU-755/URM-120 200-1000 10, 50, 100, 500 1.08 1.05


Related Files

Adobe PDF icon.png TM 11-6625-446-15

OPERATOR, ORGANIZATIONAL, FIELD AND DEPOT MAINTENANCE MANUAL
WATTMETER AN/URM-120
09 OCTOBER 1961


Adobe PDF icon.png TM 11-6625-446-24P

ORGANIZATIONAL, DIRECT SUPPORT, AND GENERAL SUPPORT MAINTENANCE
REPAIR PARTS AND SPECIAL TOOLS LISTS (INCLUDING DEPOT MAINTENANCE REPAIR PARTS AND SPECIAL TOOLS
TEST SET, RADIO FREQUENCY, POWER
AN/URM-120 (NSN 6625-00-790-2746)
29 AUGUST 1978