The Rohde & Schwarz NRP-Z11 is a high-precision three-path diode power sensor designed for continuous average, burst average, and timeslot average power measurements. Operating across a frequency range of 10 MHz to 8 GHz and a 90 dB dynamic range from -67 dBm to +23 dBm, it provides exceptionally low measurement uncertainty and excellent SWR for RF and microwave applications.
Specifications
General
| Parameter | Value |
|---|---|
| Interfaces | Proprietary R&S 12-pin host interface (supports USB connection via NRP-Z3 or NRP-Z4 adapter) |
Physical
| Parameter | Value |
|---|---|
| Power Supply | 5 V DC (supplied via host instrument or USB adapter), typical current 120 mA |
| Operating Temperature | 0 °C to +50 °C |
| Dimensions (W×H×D) | 48 mm × 30 mm × 137 mm |
Measurement Ranges & Power Specifications
| Parameter | Value |
|---|---|
| Frequency Range Minimum | 10 MHz |
| Frequency Range Maximum | 8 GHz |
| Power Measurement Range Minimum | -67 dBm |
| Power Measurement Range Maximum | +23 dBm |
| Maximum Continuous Input Power | +26 dBm (400 mW) |
| Maximum Peak Input Power | +40 dBm (10 W) |
| Maximum Peak Input Power Duration | < 10 µs |
| Maximum DC Input Voltage | 20 V |
| Dynamic Range | 90 dB |
Sensor Technology & Architecture
| Parameter | Value |
|---|---|
| Sensor Detection Type | Three-path diode sensor |
| Measurement Modes Supported | Continuous Average, Burst Average, Timeslot Average |
RF Port Characteristics
| Parameter | Value |
|---|---|
| Input Impedance | 50 Ω |
| RF Connector Type | N |
| Connector Sex | Male |
| Maximum SWR (10 MHz to 2.4 GHz) | ≤ 1.11 |
| Maximum SWR (2.4 GHz to 8 GHz) | ≤ 1.16 |
Accuracy, Calibration & Noise
| Parameter | Value |
|---|---|
| Zero Set | 50 pW |
Meter Compatibility & System Integration
| Parameter | Value |
|---|---|
| Recommended Calibration Cycle | 1 year |
Physical Dimensions & Weight
| Parameter | Value |
|---|---|
| Cable Length | 1.5 m (integrated) |
Environmental Parameters
| Parameter | Value |
|---|---|
| Storage Temperature Range | -40 °C to +70 °C |
Performance
| Parameter | Value |
|---|---|
| Measurement Speed | Up to 1500 measurements/s (buffered mode) |
| Rise Time | < 13 µs |
| Video Bandwidth | > 20 kHz |
| Zero Drift | < 15 pW (within 1 hour after zeroing at constant temperature) |
| Measurement Noise | < 25 pW (aperture time 100 ms, 2 sigma) |
| Calibration Uncertainty | 1.3% to 2.0% (frequency dependent) |
| Calibration Data Storage | Internal EEPROM |
| Path Crossover Levels | -20 dBm, 0 dBm |
| Maximum Measurement Rate | up to 1500 measurements/s (buffered average mode) |
Power
| Parameter | Value |
|---|---|
| Current Consumption | 120 mA (typical at 5 V) |
| Power Consumption | 0.6 W |
Functionality
| Parameter | Value |
|---|---|
| Trigger Sources | Internal, External (via Host or Adapter) |
Environmental
| Parameter | Value |
|---|---|
| Relative Humidity (Operating) | Up to 95% at +30 °C (non-condensing) |
| Operating Altitude | up to 4600 m |
| Shock Resistance | 45 g shock spectrum, compliant with MIL-STD-810F (Method 516.5, Proc. I) |
| Sinusoidal Vibration | 5 Hz to 55 Hz, 0.15 mm amplitude; 55 Hz to 150 Hz, 0.5 g, compliant with EN 60068-2-6 |
| Random Vibration | 10 Hz to 500 Hz, 1.9 g (rms), compliant with EN 60068-2-64 |
Standards & Compliance
| Parameter | Value |
|---|---|
| Electrical Safety | Compliant with EN 61010-1 |
| EMC Compliance | Compliant with EN 61326-1 (Class B), EN 61326-2-1, EN 55011 (Group 1, Class B) |
Technology
Three-path diode
Applications
RF and Microwave Power Measurement