Bird Plug-In Elements – RF Wattmeter Elements

Product Overview

Bird Plug-In Elements are precision RF power measurement components designed for use with compatible Bird wattmeters and 7/8-inch line sections. They allow users to select the appropriate frequency and power range for reliable RF power measurements.

These interchangeable elements are widely used for transmitter testing, RF system maintenance, broadcast applications, communication systems, laboratory testing, and field service.

Key Features

• Precision RF power measurement
• Interchangeable plug-in design
• Wide selection of frequency ranges
• Available in multiple power ratings
• Designed for compatible Bird wattmeters
• Suitable for field, laboratory and maintenance applications
• Calibrated for reliable and repeatable measurements
• Available for CW, low-power, high-frequency and pulse-power applications
• Compatible with various Bird RF measurement systems

Main Bird Plug-In Element Families

1. Standard Elements

Bird Standard Elements are commonly used with 7/8-inch line sections and compatible Bird wattmeters. Available power ratings include 5 W, 10 W, 25 W, 50 W, 100 W, 250 W, 500 W, 1 kW, 2.5 kW and 5 kW, depending on frequency range.

2. Low Power Elements

Designed for low-power RF measurement, with elements available from 1 W to 2.5 W. Frequency options vary by model and can cover ranges from approximately 25 MHz up to 1 GHz.

3. High Frequency Elements

Designed for higher-frequency applications, including approximately 950 MHz to 1.26 GHz depending on model. Power ratings vary by element.

4. Pulse Power Elements

Designed for measuring pulsed RF power with compatible Bird wattmeters. Available models include power ratings such as 2.5 kW, 5 kW and 10 kW, depending on frequency range. These elements are not intended for high-average-power CW operation.

5. Milliwatt Elements

Designed for very low RF power measurements, with available power scales below 1 W.

6. APM Elements

APM Elements are designed specifically for the Bird APM-16 Wattmeter and are intended for true average power measurements across conventional and complex RF signals. APM and DPM elements are not interchangeable.

DPM Elements are designed for Bird 5014 Directional RF Power Sensors and support average-power measurement of digital modulation, pulsed signals and AM carrier applications. (Bird)

8. 4410 Series Elements

These elements are specifically designed for Bird 4410A and 4412A wattmeters. Depending on the model, frequency coverage ranges from kHz-level frequencies through 1 GHz, with power ranges extending up to 10 kW.

Example Specifications

These are examples; Bird offers many additional element models and configurations.

Applications

Bird Plug-In Elements can be used for:

• RF transmitter power measurement
• Forward and reflected power measurement
• VSWR testing
• Broadcast transmitter testing
• RF communication systems
• Antenna system testing
• Laboratory RF testing
• Field maintenance and troubleshooting
• Public safety communication systems
• Industrial RF applications
• Digital and modulated RF signal measurement

How to Select the Correct Element

Selecting the correct Bird element requires matching:

1. Wattmeter compatibility
2. Frequency range
3. Expected RF power level
4. Signal type – CW, digital, pulsed or complex signal
5. Forward/reflected measurement requirements

Using the correct element is important because the element determines the applicable measurement range and helps provide reliable readings. (Bird)

Important Compatibility Note

Bird Plug-In Elements are not universally interchangeable between all Bird instruments. Always verify the element family and compatibility with the specific Bird wattmeter or RF power sensor before ordering.

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Bird Plug-In Elements | RF Wattmeter Power & Frequency Elements

Meta Description

Buy Bird Plug-In Elements for accurate RF power measurement. Explore standard, low-power, high-frequency, pulse, APM, DPM and 4410 series RF wattmeter elements.