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 Coaxial Dynamics Model 81050 Wattmeter
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Features
 

 Non-Removable Broadband Element

 Shock Mounted "Taut Band" Meter

 4-1/2" Mirrored Scale

 Quick Match Connectors

 Internal 7/8" Line Section

 Gold Plated Element

 Two Year Limited Warranty

Description


With the Model 81050 Directional Wattmeter you can now measure RF power in 50-Ohm coaxial cable and transmission lines without the need for additional plug-in elements.

Model 81050 comes complete with the same 4-1/2" taut band meter movement, Quick Match RF Connectors, and precision line section that are used in our Model 81000-A and 83000-A Wattmeters.

These features plus a special non-removable Broadband Element allow full-scale power measurement on any one of 5 selectable ranges of 5, 15, 50, 150, and 500 watts across a frequency range of 25 to 1000 MHz.

Versatile and reliable, the Model 81050 is also easy to use. Simply connect the Wattmeter between the transmitter and the antenna or dummy load, select the appropriate power range on the 5 position switch, and read the power directly on the mirrored backed meter when the frequency is between 100 and 1000 MHz. Below 100 MHz, multiply the meter reading by the correction factor found on the chart on the back of the Wattmeter.

The use of a rugged shock mounted meter with a mirror-backed scale along with superior taut band technology, provides reliable and accurate readings, and also satisfies both the US Navy and Canadian standards for bounce and vibration. This is your assurance of complete accuracy.

Your confidence in the quality and dependability of the Model 81050 Wattmeter is assured with the Coaxial Dynamics Two Year Limited Warranty.


Specifications

Power Ranges

5, 15, 50, 150 and 500 watts full scale
(150 watts maximum from 800 to 1000 MHz)

Frequency Range

25 MHz to 1000 MHz

VSWR

1.08 max. from 25 to 512 MHz (with UHF female connectors)
1.12 max. from 512 to 1000 MHz (with UHF female connectors)

Insertion Loss

0.10 dB max. from 25 to 512 MHz (with UHF female connectors)
0.15 dB max. from 512 to 1000 MHz (with UHF female connectors)

Accuracy

25 to 100 MHz, ±7% of full scale using corrections chart
100 to 512 MHz, ±6% of full scale, no correction required
512 to 1000 MHz, ±7% of full scale, no correction required

Element

Non-Removable Broadband (25 to 1000 MHz, 500 watts max.)
rotatable for forward and reflected power measurements

Impedance

50-Ohms

RF Connectors

Type UHF Female standard (see note below)

Dimensions (H x W x D)

7.3 in. (18.5 cm) x 5 in. (12.7 cm) x 4 in. (10.2 cm)

Weight

3.8 lbs. (1.72 kg)

Case Finish

Textured Blue Polyurethane Enamel

Note: Other Quick Match Connectors are available.

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Copyright © 2019 Coaxial Dynamics (A CDI Industries, Inc. company).
All rights reserved. Last updated: Tuesday, September 24, 2019.