Bird Model 4431 Thruline(c) RF Wattmeter w/ Internal Variable RF Sampler (New)

Description

Bird Model 4431 Thruline RF Wattmeter w/ Variable RF Tap NEW
4431, Variable RF Tap, Wattmeter
is the same as the model 43 General Purpose Wattmeter with the addition of an RF signal sampler probe. This RF probe provides a low power sample of the signal being measured and is available at a female BNC connector on the right side of the housing. The signal level can be adjusted with a control knob on the front of the meter. The sampled output can be connected to any RF signal monitoring device such as a frequency counter, spectrum analyzer, or oscilloscope.
Connectors: Type N(F) or UHF or BNC, Your Choice
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The Industry Standard - Birds Famous General Purpose Wattmeters
The Bird 4431 has the same specifications and uses the same elements as the Bird Model 43.
A field-proven portable, insertion-type instrument designed to measure both forward and reflected CW power in coaxial transmission lines under any load condition. With a full-scale accuracy of ± 5%, it accurately measures RF power with low added VSWR and insertion loss. QC (quick change) type connectors and a full range of plug-in elements (elements are not included and are sold separately) provide a wide choice of frequency ranges and power levels giving the Model 4431 amazing flexibility. Two extra elements can be stored in the housing, one on each side. The Model 4431 is easy to use and simple to service in the field.
Accurate CW field power measurement
Internal Variable RF Sampler (BNC Tap)
RF Sample Out:  Variable -15 to -70 dB from BNC (Female) port
450 kHz to 2.7 GHz (elements are sold separately)
100 mW to 10 KW (elements are sold separately)
Full-scale accuracy of ± 5%
Uses industry standard Bird elements with space to store 2 additional within the meter housing
Rugged metal housing for the most demanding environments
Quick Change (QC) connectors minimize the need for adapters when making critical measurement
Frequency and power range elements are not included but are sold separately. The Bird Model 43 is the industry standard for power measurements with a wide selection of elements available to cover a wide choice of frequency ranges and power ranges. 100% Satisfaction is our guarantee so you can buy with confidence. Specify Type N or UHF (SO-239) connectors in the comment field during checkout. Type N(F) connectors are standard.
Martin RF Supply stocks a large inventory of new and used Bird Electronic products including wattmeters, RF loads and Bird Termaline wattmeters. We also stock new and used Telewave and Coaxial Dynamics broadband wattmeters that require no elements and we offer a wide selection of peak reading wattmeters as well as peak reading upgrades for the Bird wattmeters. Look in our eBay store for more Bird products new and used.
Martin RF Supply has the worlds best selection of new and used wattmeter elements from as low as each. New products have a manufacturer's warranty and the Martin RF Supply100% Satisfaction Guarantee.
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