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Home>Bird Meters, Elements & RF Loads (Used)>Bird Wattmeters - Used>Bird 4421 RF Laboratory Meters

Bird 4421 Laboratory Digital RF Power Meter
IEEE-488 GPIB & RS-232 Interface

Part Number 7585-2
Bird 4421 Laboratory Digital RF Power Meter <br>  IEEE-488 GPIB & RS-232 Interface
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Bird Model 4421 Laboratory Grade RF Wattmeter
Bird Model 4421 with included IEEE-488 GPIB & RS-232 Interface

Used in Excellent Condition - Latest Model 4421 w/ "Single Board" Integrated Interface board

Bird 4421 Series Laboratory Grade Power Meter

Precision Power Meter for Semiconductor Processing Applications
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 power sensor selected for the application based upon maximum power and operating frequency.

  • 1% Accuracy - Accomplished through the use of sensors with an automatic frequency compensation scheme,
  • where the error contributions due to directional coupler frequency response characteristics are eliminated.
  • Wide Dynamic Range - The instrument will meet the full accuracy specification over a 35 dB dynamic range.
  • Excellent Measurement Repeatability - Typically <0.1%
  • Digital Display - Along with automatic VSWR calculation
  • Computer Interface - RS-232 and IEEE-488 standard

Accessories Options:
  • 4021 - 1.8 - 32 MHz, 300mW - 1kW, 3% Accurate, Power Sensor
  • 4022 - 25 - 1000 MHz, 300mW - 1kW, 3% Accurate, Power Sensor
  • 4024 - 1.5 - 32 MHz, 3W - 10kW, 3% Accurate, Power Sensor
  • 4025 - 100 - 2500 kHz, 3W - 10kW, 3% Accurate, Power Sensor
  • 4027A Series - 1% Accurate, Directional Power Sensors
  • 4027F Series - 1% Accurate, Filtered Power Sensors
  • 4028 Series - 2% Accurate, Directional Power Sensors

product specifications:

Item No4421
Item NameMultifunction Power Meter
Power RangeSensor Dependent
Frequency RangeSensor Dependent
VSWR Range1.0 - 199.9 max
FunctionsForward and reflected power in W or dBm, VSWR, return loss in dB and min./max. values
Over rangeAudible warning when RF power input exceeds 120% of sensor's maximum power range
Indication DisplayLCD, 4 digit display. Indicates mode, measurement units, battery condition, remote status, and signal increase/decrease. Self contained backlight
Operating Power115/230 VAC, 50/60 Hz; 60W or 8 nickel metal hydride 1.2v cells, rechargeable
Weight10 lbs (4.5 kg)
Interconnects1 meter Latch-n-Lock Coiled Cable
InterfacesIEEE-488 GPIB, RS-232
Dimensions10.7"L x 12.25"W x 4.25"H
271 x 310 x 109 mm

Specifications and Options

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