Bird - The RF Experts
4314C, PEP, Single Element, Wattmeter

4314C, PEP, Single Element, Wattmeter is similar to the model 43 Thruline Wattmeter but also contains electronic circuitry to accurately measure peak envelope power which is present in amplitude modulated signals such as AM broadcast, single sideband and TV video transmitters. The circuitry operates from 2 standard 9V alkaline batteries or an optional A.C. adaptor.

The 4314C supercedes the 4314B. The new version has the same form, fit and function as the 4314B with the exception of the DC input jack and Power Supply which is not backward compatible but does now include international plug adapters.

  • Accurate CW and Peak Envelope (PEP) field power measurement over 450 kHz to 2.7 GHz and 100 mW to 10 KW
  • 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 to minimize the need for adaptors when making critical measurements
product specifications:
Item No
Item Name
PEP, Single Element, Wattmeter
Power Range
100 mW to 10 kW using Bird® Plug-in Elements
Frequency Range
450 kHz-2.7 GHz (depending on element)
Insertion VSWR
with N Connectors 1.05 max. to 1000 MHz
± 5% of full scale CW, ± 8% PEP
Pulse Parameter
(min.) Pulse width 0.4 µs (100-2300 MHz)
1.5 µs (26-99 MHz) and 15 µs (2-25 MHz)
repetition rate 30 pps and duty factor 1 x 104 min.
QC Type (Female N normally supplied)
120 VAC, 60 Hz or 220 VAC, 60 Hz (using Bird® adapter)
Two 9-Volt Alkaline Transistor Batteries
Light Gray Powder Coat
(H x W x D)
6-7/8" x 5-1/8" x 3-5/8"
(175 x 130 x 92 mm)
3 lbs. (1.4 kg)
compatible devices:
Table 1 - Standard Elements
7/8" Line Section - Standard Elements
Table 2 - Low Power Elements
7/8" Line Section - Low Power Elements
Table 3 - High-Frequency Elements, Entire Table ±8% FS
7/8" Line Section - High-Frequency Elements, Entire Table ±8% FS
Table 4 - Low Frequency Elements
7/8" Line Section - Low Frequency Elements
Table 5 - Pulse-Power Elements, Entire Table ±8% FS
7/8" Line Section - Pulse-Power Elements, Entire Table ±8% FS
Table 6 - Milliwatt Elements
7/8" Line Section - Milliwatt Elements
Carrying Case - Portable Thruline®, Load, Signal Sampler, QC Connectors and 4 Elements
Carrying Case - Thruline® Wattmeter, 5 Elements and 1 Small Load
Carrying Case - 12 Plug-In Elements
9V, Alkaline Battery
9V, Lithium Battery
Converter, AC to DC
Converter, AC to DC