AN/URM-120

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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


Images

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