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RF Measurement
RF Equipment
About
Oil-Cooled
600 Watt RF Load
The 8401 is a rugged, oil-cooled RF load designed for medium-power testing up to 3 GHz. Self-contained and portable, it requires no external power and delivers dependable, low-reflection performance for transmitter alignment and system verification. Its internal resistive element is immersed in dielectric coolant and housed in a tapered enclosure to maintain consistent impedance and thermal stability during continuous 600 W operation.
Accessories
Compatible accessories to support installation, operation, and maintenance.
1/2 Gal. | S2 ZX-A
Electrical Insulating Oil
5-030-2
Diala® S2 ZX-A is a high-performance insulating oil used in RF loads to support heat transfer and stability during continuous operation.
1 Gal. | S2 ZX-A
Electrical Insulating Oil
5-030-3
Diala® S2 ZX-A is a high-performance insulating oil used in RF loads to support heat transfer and stability during continuous operation.
5 Gal. | S2 ZX-A
Electrical Insulating Oil
5-030-4
Diala® S2 ZX-A is a high-performance insulating oil used in RF loads to support heat transfer and stability during continuous operation.
Why RF Experts Choose Bird
For over 80 years, RF professionals have trusted Bird loads to deliver unmatched stability, low VSWR, and rugged reliability—whether on the bench or in the field. These aren’t just terminations—they’re peace of mind for your entire system.
