The Keysight U2000B is a high-performance USB average power sensor designed to make fast, accurate, and reliable power measurements without requiring a separate power meter. Operating over a broad frequency range of 10 MHz to 18 GHz with an integrated 30 dB attenuator, it supports high-power measurements up to +44 dBm.

Specifications

General

ParameterValue
InterfacesUSB 2.0 (custom sensor connector to USB Type-A)
DisplayNone (PC-controlled / software-dependent)
Warm-up Time30 minutes

Physical

ParameterValue
Power SupplyUSB Bus Powered, 5 VDC, < 220 mA
Operating Temperature0 to 55 °C
Dimensions (W×H×D)46.0 mm × 35.9 mm × 163.7 mm (excluding RF connector)
Weight< 0.421 kg

Measurement Ranges & Power Specifications

ParameterValue
Frequency Range Minimum10 MHz
Frequency Range Maximum18 GHz
Power Measurement Range Minimum-30 dBm
Power Measurement Range Maximum+44 dBm
Maximum Continuous Input Power+45 dBm
Maximum Peak Input Power+47 dBm (for < 10 µs)
Maximum DC Input Voltage20 VDC

Sensor Technology & Architecture

ParameterValue
Sensor Detection TypeDiode-based average power sensor with integrated 30 dB attenuator
Measurement Modes SupportedAverage power
Dynamic Range74 dB

RF Port Characteristics

ParameterValue
Input Impedance50 Ω
RF Connector TypeN-type (male)
Maximum SWR (10 MHz to 2 GHz)1.12
Maximum SWR (2 GHz to 12.4 GHz)1.22
Maximum SWR (12.4 GHz to 18 GHz)1.29

Accuracy, Calibration & Noise

ParameterValue
Power Linearity (-30 to +35 dBm)±3.0% (-30 to +20 dBm)
Power Linearity (+35 to +44 dBm)±4.5% (+20 to +44 dBm)
Zero Set50 µW
Zero Drift15 µW
Measurement Noise50 µW

Triggering & Sampling

ParameterValue
Maximum Sampling Rate1000 readings/s (buffered mode)
Measurement Speed (Free Run)250 readings/s

Connectivity & Host Interfaces

ParameterValue
Power Consumption< 1.1 W
Typical Current Draw160 mA
Command Set SupportSCPI
Driver SupportIVI-COM, IVI-C, LabVIEW
Software CompatibilityKeysight BenchVue, N1918A Power Analysis Manager

Environmental Parameters

ParameterValue
Storage Temperature Range-40 to 70 °C
Operating Humidity Range95% RH at 40 °C (non-condensing)
Storage Humidity Range90% RH at 65 °C (non-condensing)
Maximum Operating Altitude4600 m (15,000 ft)
Maximum Storage Altitude15240 m (50,000 ft)

Triggering

ParameterValue
Trigger SourcesInternal, External, Bus
Trigger Delay Range-0.15 s to +0.15 s
Trigger Delay Resolution1 μs
External Trigger Input LevelTTL compatible (High > 2.0 V, Low < 0.8 V)
External Trigger Input Impedance> 10 kΩ nominal

Compliance

ParameterValue
Electromagnetic Compatibility (EMC)Complies with IEC 61326-1 / EN 61326-1, CISPR 11 / EN 55011 Group 1 Class A, AS/NZS CISPR 11, ICES/NMB-001
Safety StandardsIEC 61010-1 / EN 61010-1, CAN/CSA-C22.2 No. 61010-1, ANSI/UL 61010-1

RF Specifications

ParameterValue
Integrated Attenuator30 dB

Measurement

ParameterValue
Averaging Range1 to 1024 (manual or auto)

Performance

ParameterValue
Calibration Data StorageInternal EEPROM

Technology

Diode-based power sensing

Applications

RF and microwave power measurements