MX2281 Millivoltmeter/Frequency Counter

MX2281 is a new intelligent digital RF millivoltmeter/frequency counter. The instrument operates on the principle of envelope detection and can measure sinusoidal voltages in the range of 10kHz to 3000MHz (measurement frequency range determined by the coaxial detector). It features a voltage measurement range of 1mVrms to 10Vrms with a resolution of 1μV. For power level measurements, the range is -47dBm to +33dBm with a resolution of 0.01dB. The coaxial detector uses an N-type bidirectional connector with a 50Ω RF load.


Key Features

◼︎Surface Mount Technology (SMT) production with a new metal chassis.

◼︎High reliability, with a service life exceeding 20,000 hours.

◼︎Comes standard with an RS232 interface, and optional GPIB and USB interfaces are available.


Frequency Range for Voltage Measurement

With 1.2GHz coaxial detector: 10kHz to 1200MHz

With 2GHz coaxial detector: 10kHz to 2000MHz

With 3GHz coaxial detector: 10kHz to 3000MHz

Voltage Range

1mVrms to 10Vrms (with 50Ω load) (4mVrms/40mVrms/400mVrms/4Vrms/10Vrms

Power Level Range  -47 dBm to +33dBm (with 50Ω load, where 0dBm = 0.223 Vrms) (-40/-20/0/+20/+40dBm)

For more detailed information, please download the PDF Datasheet above.

MX2281 is a new intelligent digital RF millivoltmeter/frequency counter. The instrument operates on the principle of envelope detection and can measure sinusoidal voltages in the range of 10kHz to 3000MHz (measurement frequency range determined by the coaxial detector). It features a voltage measurement range of 1mVrms to 10Vrms with a resolution of 1μV. For power level measurements, the range is -47dBm to +33dBm with a resolution of 0.01dB. The coaxial detector uses an N-type bidirectional connector with a 50Ω RF load.

For more detailed information, please download the PDF Datasheet above.

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