Bird 4021
| Attribute | Value |
|---|---|
| Frequency Range | 25 MHz - 1000 MHz |
| Impedance | 50 Ohms |
| Power Rating | 25 Watts Average |
| Connector Type | N-Type |
| VSWR Accuracy | ±5% |
| Insertion Loss | 0.1 dB Maximum |
| Directivity | 30 dB Minimum |
| Operating Temperature | -30°C to +60°C |
| Measurement Parameters | Forward Power, Reflected Power, VSWR |
| Display Type | Analog Meter |
Bird 4021 Options:
- 4421 - 5A2257-10 - Fuse, IEC (5 x 20 mm) Time Lag Type T, 115 Vac, T630 mA
- 4421 - 5A2257-7 - Fuse, IEC (5 x 20 mm) Time Lag Type T, 230 Vac, T315 mA
- 4421 - 5-1286 - Cord, AC Power, 115 Vac
- 4421 - 5A2416 - Cord, AC Power, 230 Vac Harmonized
- 4421 - 5A2626 - Plug, 115 Vac
- 4421 - 4421-038 - Cable, Sensor
- 4421 - 4421A372 - Grommet
- 4421 - 4421A383 - Cordreel
- 4421 - 4421A384 - Casters
- 4421 - 4421A385 - Handle
- 4421 - 4421-489-2 - IEEE-488 Bus Interface Module
- 4421 - 5-1317-2 - Cable, IEEE-488, 2 m
- 4421 - 5-1317-1 - Cable, IEEE-488, 1 m
- 4421 - 4421-233-1 - RS-232 Bus Interface Module
- 4421 - 5-1662-2 - Cable, RS-232, 10 ft.
- 4421 - 5-1662-1 - Cable, RS-232, 5 ft.
- 4421 - 4380-250 - Null Modem Kit (RS-232 only)
- 4421 - 4421-250 - Panel Mount Kit
- 4421 - 5A1230 - Battery, C size, NiMH
- 4021 - 4240-268 - Connector, HN (F)
- 4021 - 4240-031 - Connector, LC (F)
- 4021 - 4240-062 - Connector, N (F)
- 4021 - 4240-344 - Connector, 7/16 Jack, IEC Type 169-4
- 4021 - 4240-371 - Connector, TRU 6934 (F)
- 4021 - 4240-372 - Connector, TRU 7958 (F)
- 4021 - 4240-125 - Connector, BNC-Female
- 4021 - 4240-132 - Connector, BNC-Male
- 4021 - 4240-100 - Connector, C-Female
- 4021 - 4240-110 - Connector, C-Male
- 4021 - 4240-278 - Connector, HN-Male
- 4021 - 4240-025 - Connector, LC-Male
- 4021 - 4240-080 - Connector, Open Term. # 10-32 Nut
- 4021 - 4240-018 - Connector, LT-Female
- 4021 - 4240-012 - Connector, LT-Male
- 4021 - 4240-063 - Connector, N-Male
- 4021 - 4240-090 - Connector, SC-Female
- 4021 - 4240-336 - Connector, SMA-Female
- 4021 - 4240-334 - Connector, SMA-Male
- 4021 - 4240-363 - Connector, 7/16 Plug, IEC Type 169-4
- 4021 - 4240-346 - Connector, Mini UHF-Female
- 4021 - 4240-050 - Connector, UHF-Female
- 4021 - 4240-179 - Connector, UHF-Male
- 4021 - 4240-096 - Connector, 1-5/8" EIA Fixed
- 4021 - 4240-208 - Connector, 1-5/8" EIA Swivel
- 4021 - 4240-002 - Connector, 7/8" EIA
- 4021 - 4240-156 - Connector, TNC-Female
- 4021 - 4240-160 - Connector, TNC-Male
| Model | 4021 |
|---|
The Bird 4021 is a precision RF wattmeter element engineered for accurate and consistent power measurement in communication systems. Its rugged build ensures reliability and long-lasting use in demanding conditions, while maintaining seamless integration with Bird wattmeters.
Widely used in broadcasting, aviation, and telecom industries, the Bird 4021 delivers dependable performance for testing and maintaining RF systems. Compact and easy to install, it provides repeatable and precise results.
Testwall can supply the used Bird 4021, fully tested. With expert support and global delivery, Testwall ensures high-performance instrumentation with unmatched reliability and service quality. Please contact us directly if you need calibration or repair of the Bird 4021.
