User Manual

RF Directional Thruline

Precision Power Sensors

4028 Series

Operations Manual

Instruction Book Part Number 920-4028S Rev. F

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Specifications CAUTION Changing the sensor’s connectors will invalidate calibration data, and may reduce the maximum power rating of the unit. Frequency Range 4028A250K 4028A400K 4028A2M 4028A3M 4028A4M 4028A10M 4028A25M 4028B10M 4028C10M 250 – 400 kHz 400 – 550 kHz 1.5 – 2.5 MHz 2.5 – 3.5 MHz 3.5 – 4.
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Calibration Frequencies, Typical (MHz)* 4028A250K 4028A400K 4028A2M 4028A3M 4028A4M 4028A10M 4028A25M 4028B10M 4028C10M 0.25, 0.40 0.40 1.8, 2.0, 2.17 2.5, 3.2, 3.5 3.5, 4.0 10.0, 13.56, 15.0 25.76, 27.12, 28.48 10.0, 13.56, 15.0 10.0, 13.56, 15.0 Calibration Power, Typical 1.7 kW Calibration Technique Frequency-specific calibration factors stored in nonvolatile memory in each sensor. Sensor output corrected for frequency and temperature within specified ranges.
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Figure 1 4028A Outline 4-3/4” (121 mm) 3/4” (19 mm) – CAUTION – 12000 WATTS MAX. 4-1/8” (105 mm) DIRECTIONAL POWER SENSOR MODEL 4028A2M 1kW – 20kW 1.5 – 2.5 MHz 1-3/4” (45 mm) RF CONNECTORS (FEMALE N SHOWN) Figure 2 SENSOR PLUG SOCKET 3-1/4” (83 mm) SOURCE LOAD RUBBER SHOCK FEET 4028B Outline 3.75" (96 mm) SOURCE SENSOR PLUG SOCKET LOAD 4.75" (121 mm) 3.5" (89 mm) 6.
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Special Lifetime Warranty Series 4028 Power Sensor Head In addition to its standard warranty, the Bird Electronic Corporation warrants its Series 4028 Thruline® Power Sensor Heads for lifetime to original purchaser. This extended warranty is against burnout.