AN/URM-23

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Contents

Overview

Summation Bridges AN/URM-23 and AN/URM-24 are portable, field-type, direct-reading watt meters used in measuring rf power output of radio, radar, and navigation equipments.


AN URM-23.png


Relationship to Similar Equipment

Summation Bridges AN/URM-19 through -24 are similar except for power requirements and frequency ranges.


Technical Description

Power Requirements
115 v ±10%, 50 to 1,600 cy, 1 phase ac
Frequency Range
1,000 to 4,000 mc (AN/URM-23);
4,000 to 10,000 mc (AN/URM-24)
Power Input Range
5 mw to 5 w
Input Impedance
50 ohms
Voltage Standing Wave Ratio
1:3
Temperature Range
-40° C to +55° C
Accuracy
±15% of pwr being measured
Major Units
1 - AN/URM-23 16" x 10" x 13"
1 - AN/URM-24 16" x 10" x 13"
1 - TS-730/URM 13 5/8" x 10 5/8" x 13"


Tubes, Crystals, Transistors

  • 1 - 5Y3GT
  • 1 - 6AU6
  • 1 - 6SA7G
  • 2 - 5651


Reference Data and Literature

TO 16-30URM23-1, -2, -3, 4;
TO 16-30URM24-1, -2, -3, -4
Spec &/or Dwg
Exhibit WLENG 1081A