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
| Parameter | Value |
|---|---|
| Interfaces | USB 2.0 (custom sensor connector to USB Type-A) |
| Display | None (PC-controlled / software-dependent) |
| Warm-up Time | 30 minutes |
Physical
| Parameter | Value |
|---|---|
| Power Supply | USB Bus Powered, 5 VDC, < 220 mA |
| Operating Temperature | 0 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
| Parameter | Value |
|---|---|
| Frequency Range Minimum | 10 MHz |
| Frequency Range Maximum | 18 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 Voltage | 20 VDC |
Sensor Technology & Architecture
| Parameter | Value |
|---|---|
| Sensor Detection Type | Diode-based average power sensor with integrated 30 dB attenuator |
| Measurement Modes Supported | Average power |
| Dynamic Range | 74 dB |
RF Port Characteristics
| Parameter | Value |
|---|---|
| Input Impedance | 50 Ω |
| RF Connector Type | N-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
| Parameter | Value |
|---|---|
| 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 Set | 50 µW |
| Zero Drift | 15 µW |
| Measurement Noise | 50 µW |
Triggering & Sampling
| Parameter | Value |
|---|---|
| Maximum Sampling Rate | 1000 readings/s (buffered mode) |
| Measurement Speed (Free Run) | 250 readings/s |
Connectivity & Host Interfaces
| Parameter | Value |
|---|---|
| Power Consumption | < 1.1 W |
| Typical Current Draw | 160 mA |
| Command Set Support | SCPI |
| Driver Support | IVI-COM, IVI-C, LabVIEW |
| Software Compatibility | Keysight BenchVue, N1918A Power Analysis Manager |
Environmental Parameters
| Parameter | Value |
|---|---|
| Storage Temperature Range | -40 to 70 °C |
| Operating Humidity Range | 95% RH at 40 °C (non-condensing) |
| Storage Humidity Range | 90% RH at 65 °C (non-condensing) |
| Maximum Operating Altitude | 4600 m (15,000 ft) |
| Maximum Storage Altitude | 15240 m (50,000 ft) |
Triggering
| Parameter | Value |
|---|---|
| Trigger Sources | Internal, External, Bus |
| Trigger Delay Range | -0.15 s to +0.15 s |
| Trigger Delay Resolution | 1 μs |
| External Trigger Input Level | TTL compatible (High > 2.0 V, Low < 0.8 V) |
| External Trigger Input Impedance | > 10 kΩ nominal |
Compliance
| Parameter | Value |
|---|---|
| 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 Standards | IEC 61010-1 / EN 61010-1, CAN/CSA-C22.2 No. 61010-1, ANSI/UL 61010-1 |
RF Specifications
| Parameter | Value |
|---|---|
| Integrated Attenuator | 30 dB |
Measurement
| Parameter | Value |
|---|---|
| Averaging Range | 1 to 1024 (manual or auto) |
Performance
| Parameter | Value |
|---|---|
| Calibration Data Storage | Internal EEPROM |
Technology
Diode-based power sensing
Applications
RF and microwave power measurements