Chinese agent for BIRD directional power sensor in the United States

The 4028A4M American BIRD directional power sensor is a high-precision sensor for high-power LCD, TFT, solar processing, and other precision high-power applications. Intended for use with Bird's 4421A series and 4421 Precision Laboratory Power Meters. These sensors can improve accuracy from unit to unit by three times in the long term.Chinese agent for BIRD directional power sensor in the United States.

The connector must be equipped on both the input and output sides of the sensor.

Bird only uses connectors to ensure that the sensors are calibrated and sold with 2% accuracy.

Characteristics of 4028A4M BIRD Direction Power Sensor in the United States

Realize tighter and more consistent RF power measurement values to improve yield.

The accuracy of the specified calibration frequency and power level is ± 2%.

Direct plug-in operation with industry standard bird 4421A series and 4421 RF power meter.

Problem/Solution

Requires very high accuracy - able to achieve 2% precision

Custom connectors are required -4028A series sensors can be configured with various connectors.

Specifications:

Frequency range: 3.5-4.5 MHz

Power range: 1.0-25 kW

calibration

Frequency: 3.5, 4.0 MHz (typ)

Power: 1.7 kW

Cycle: 1 year

Accuracy: ± 2.0% (2 σ)

External Cal (Power and Freq.): ± 3.0% (2 σ)

rfl： = fwd 精度 + （fwd power/ 10^{directivity/ 10}）

VSWR: Calculated based on FWD and RFL power (VSWR=[1+SQRT (PR/PF)]

Impedance: 50 ohms (nominal)

VSWR: 1.05:1 (maximum) | Allow termination: 2.00:1 (maximum)

Insertion loss: 0.05 dB (female 7-16 DIN connector)

Directionality: 28 dB (minimum)

Sampling rate: 2 readings per second (nominal)

External DC: 12 VDC, provided by 4421A multifunctional meter

Connectors: Input and output connectors must be ordered separately at an additional cost

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