Bird - The RF Experts
4421
4421, Multifunction RF Power Meter
4421

Precision RF Power Meter for Semiconductor Processing Applications


The Bird 4421 Multifunction Power Meter is a precision RF instrument that, while originally intended for general purpose laboratory applications where high accuracy is required, has found wide acceptance in semiconductor processing applications.

The product is configured as a system, consisting of the 4421 and a precision RF power sensor selected for the application based upon maximum power and operating frequency.

product specifications:
Item No
4421
Item Name
Power Meter
Power Range
Sensor Dependent
Frequency Range
Sensor Dependent
VSWR Range
1.0 - 199.9 (max)
Return Loss Display
0 to 40 dB (max)
Display Accuracy
± 1 on least significant digit
Power
AC Power: 115/230 Vac @ 50/60 Hz; 60 W
Batteries: 8 Nickel Metal Hydride 1.2 v cells, rechargeable
Battery Life: Approximately 8 hours continuous usage (reduced after high temperature charging)
Battery Charger: Built-in battery charger. Drained batteries require approximately 28 hours to recharge
Display
LCD, 4½ digit display. Indicates mode, measurement units, battery condition, remote status, and signal increase/decrease. Self contained backlight
Interfaces
IEEE-488 GPIB, RS-232
Fuse Rating
IEC (5 x 20 mm) Time Lag Type T
115 VAC: T630 mA | 230 VAC: T315 mA
Compliance
CE Compliant. Refer to Declaration of Conformity for specific standards
Temperature
1 meter Latch-n-Lock Coiled Cable
Humidity
95% max. (non-condensing)
Altitude
Up to 10,000 feet (3,000 m)
Dimensions
L x W x H
10.7" x 12.25” x 4.25” (271 x 310 x 109 mm)
Weight
10 lbs. (4.5 kg), nominal
accessories:
4020 Series
3% Accurate, Directional Power Sensors
4027A Series
1% Accurate, Precision Directional Power Sensors
4028 Series
2% Accurate, Precision Power Sensors
4300A215
Carrying Case - 4421 Wattmeter and Power Sensors
4421-250
4421 Multifunction Power Meter Rack Mount Kit