Bird Technologies 8890-400 Series - Manuale (Pagina 13)

Specifications
Impedance 50 ohms
VSWR 1.15 - 1.00 dc to 1000 MHz
Connectors
Model 8891-400A, 8891-420B
Model 8897-400A
3-1/8” EIA flanged
3-1/8” unflanged
(Flush Center Conductor)
Power Rating*†
Models 8891-400A, 8897-400A
All other models
2500 W continuous duty
5000 W continuous duty
Frequency Range* 2 to 1000 MHz
Accuracy ± 8% of full scale
Ambient Temperature
Storage
Operating
+10°C to +40°C
(+50°F to 104°F)
+25°C ± 5°C
(77°F ± 9°F)
Cooling Method Liquid dielectric and convection
currents**
Overall Dimensions 17-3/16” H x 7-1/8” W
(437 x 181 mm)
Length
Flanged Units
Unflanged Units
25-1/8” (638 mm)
24-5/32” (613.6 mm)
Meter Dimensions 4-11/64”L x 5-9/16”W x 6-1/2”H
(106 x 141 x 165 mm)
Meter Weight 5 lb (2.27 kg)
Finish
Load and Meter Housing
RF Section
Grey Powder Coat
Bright Silver Plate
*Actual frequency and power ratings are determined by the element used.
†Power Rating with blower assembly installed:
Blower running - 5000 W
Blower not running - 1250 W
**Assisted by forced draft when blowing assembly is installed and running.
3
Introduction