Bird 4042 Channel RF Power Sensors Provides power readings by individual channel for frequency ranges of 100 MHz to 1 GHz.4042 Series, Channel Power Sensors are digital RF sensors designed for use with the 3141 Channel Power Monitor (CPM). The sensors are typically used to measure forward and reflected average power on a 50 ohm RF transmission line with maximum 500 watt forward and reflected power levels in a frequency band with an overall range of 100 to 1000 MHz. The 4042 sensor also provides VSWR readings.

The 4042 Channel Sensor is unique in that it is able to measure the forward power, reflected power and VSWR of a SINGLE CHANNEL in the presence of multiple channels at the output of a frequency combiner. The sensor can also measure the forward power, reflected power and the VSWR of the composite signal by scanning up to 16 individual channels and summing their power.

The 4042 Channel Sensor uses an RS-485 serial bus for data transfer to and from a CPM. Each sensor is equipped with two RJ-25 jacks, either jack may be connected to a CPM. The second RJ-25 jack may be used to extend the RS-485 bus to another digital sensor. Multiple digital sensors may be serially connected in this fashion, allowing as many as 16 sensors to be connected to a CPM.

Note: Each 4042 sensor is capable of occupying all 16 available channels. A maximum of two 4042 sensors may be connected to a CPM. If two 4042 sensors are used, they must share the 16 available channels.

Specification	Description
Item No	Bird 4042
Item Name	Channel Power Sensor
Measurement Range - FWD Power	10 W to 500 W
Measurement Range - RFL Power	1 W to 50 W
Measurement Accuracy	±5% of reading
Frequency Range Selection	4042-1-ffwwxx-yyzz ff: Frequency Range (43 = 100 MHz to 1000 MHz) ww: Max Forward Power Measurement (05 = 10 W to 500 W) xx: Communication Interface (05 = RS-485 via RJ-25) yy: Input Connector (01 = N (F), 02 = N (M), 03 = 4.3/10 (F), 04 = 4.3/10 (M)) zz: Output Connector (Same options as yy)
Dynamic Range	17 dB
Impedance	50 Ω
Insertion Loss	<0.2 dB
VSWR	<1.15:1 (maximum)
Intermodulation Distortion - PIM	<-145 dBc
Power Supply	7-18 VDC, <500 mA (supplied by 3141)
Operating Temperature	0 to 50 °C (32 to 122 °F)
Size	5.2 in x 3.8 in x 1.4 in (132 mm x 96.5 mm x 35.5 mm)
Weight	0.6 lb (0.27 kg)
Compliance Standards	CE, RoHS
Standard Accessories	10 ft RJ-25 Interface Cable

Please note that the specific selections for frequency range, communication interface, and input/output connectors are customized based on the component part number chosen by the user.

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