The MA2400A/B Series Power Sensors consist of MA247XA Series Power Sensors, MA246XA/B Series Power Sensors, MA248XA Series Universal Power Sensors, MA242XA/B Series Thermal Power Sensors, and MA244XA Series High Accuracy Power Sensors. These units are broadband microwave measurement components. All models except the MA246XA/B Series Power Sensors, are used with the ML2430A Series Power Meters. The MA246XA/B Series Power Sensors are used only with the ML2400A Series Power Meter.