Advantest R9211C FFT Servo Analyzer
Advantest R9211C FFT Servo Analyzer,FFT-based servo analyzer designed for high-resolution frequency domain analysis, used in mechanical and acoustic system testing.
- Model
- Advantest R9211C
- Calibration
- Available on request
- Price
- $4,579
- Status
- In stock
- RFQ ref
- R9211C
This unit
The Advantest R9211C FFT Servo Analyzer is a precision instrument for high-resolution frequency domain analysis and servo system characterization. It combines advanced FFT technology with specialized servo measurement capabilities, delivering accurate closed-loop and open-loop transfer function analysis across demanding mechanical, acoustic, and control system applications. The R9211C executes complex measurements with 130 dB dynamic range, inter-channel amplitude accuracy of ±0.1 dB, and phase coherence within ±1.0°.
Technical Specifications
Frequency Response- Frequency range: 10 mHz to 100 kHz
- Frequency resolution: 25 to 3200 lines with linear and logarithmic sweep options
- Resolution: 16-bit
- Dynamic range: 130 dB (servo analysis); 90 dB typical (spectrum analysis)
- Maximum input sensitivity: -140 dBV (typical, 2 kHz range) Input Channels & Signal Conditioning
- Input channels: 2
- Input format: Differential and single-ended
- Input impedance: Approximately 1 MΩ / 100 pF (single-ended)
- Common-Mode Rejection Ratio (CMR): 50 dB or more (DC coupling, 50/60 Hz)
- Maximum differential input voltage: ±200 V
- Maximum common-mode signal voltage: ±200 V
- Input range: +30 dBV to -60 dBV (1 dB steps)
- Auto range optimization available
- Accelerometer power source: 4 mA current source, max. +18 V operating voltage Servo Analysis
- Inter-channel amplitude difference: ±0.1 dB or less
- Inter-channel phase difference: ±1.0° or less
- Output impedance: 1 Ω or less for high actuator drive performance
- Independent DC offset and signal voltage control
- Sweep techniques: Swept Sine Sweep (SSS) and Band Multi-Sign (BMS) for high-speed measurement
- Measurement modes: Five-domain analysis with closed-loop to open-loop conversion
- Single-touch gain and phase margin measurement
- Curve fit and frequency response synthesis functions
- Internal summing amplifier for open-loop characteristic measurements
- Frequency table point servo measurement and up to five decades of log sweep Analysis Capabilities
- Spectrum analysis modes: Waveform, spectrum, time-frequency analysis, frequency response function measurement
Key Features
- High-speed servo measurement with SSS and BMS sweep techniques
- 16-bit resolution across 10 mHz to 100 kHz frequency span
- 130 dB dynamic range for low-level signal detection
- Automatic input range optimization
- Closed-loop to open-loop transfer function conversion
- Time-frequency analysis for acoustic and reverberant signal evaluation
Typical Applications
- Servo system design and characterization
- Control loop stability and frequency response testing
- Acoustic and mechanical system analysis
- Actuator performance evaluation
Specifications
| Parameter | Value |
|---|---|
| Frequency Range | 10 mHz to 100 kHz | Power Range (dBm): '-140 dBV (typical, 2 kHz range) | Voltage / Current Range: ±200 V (differential and common-mode input) |
Advantest R9211C — Repair & Calibration Service
Aumictech offers NIST-traceable calibration and repair for the Advantest R9211C. Calibration covers calibration scope varies by instrument type: vacuum gauges are verified at multiple pressure points against NIST-traceable pressure standards; spectrophotometers at wavelength accuracy and photometric accuracy points; strain gauge indicators at bridge excitation accuracy and full-scale output accuracy; pH meters against certified buffer solutions at pH 4, 7, and 10.. All calibrations ship with a NIST-traceable certificate. Turnaround is typically 1–3 business days after receipt.
Common Advantest R9211C faults: vacuum gauge filament failure (ionization gauges), spectrophotometer D2 lamp end-of-life, wavelength motor failure, strain indicator front-panel binding post corrosion, pH electrode conditioning failure. Most specialty laboratory instruments fail at their electromechanical interfaces first — vacuum gauge connectors and filament assemblies, spectrophotometer lamp housings and motor drives, strain indicator binding post corrosion. Component-level repair is standard; manufacturer support for legacy instruments is often limited, making third-party bench repair the practical path.
Advantest R9211C price
This Advantest R9211C is listed at $4,579. Calibration is available separately from $450. Contact us for volume pricing or if you need multiple units.
Advantest R9211C calibration cost
NIST-traceable calibration for the Advantest R9211C is $450 (standard — pass/fail certificate and calibration sticker) or $650 (full measured data at every test point, reference standards documented, traceability chain included). Calibration for this instrument covers calibration scope varies by instrument type: vacuum gauges are verified at multiple pressure points against NIST-traceable pressure standards; spectrophotometers at wavelength accuracy and photometric accuracy points; strain gauge indicators at bridge excitation accuracy and full-scale output accuracy; pH meters against certified buffer solutions at pH 4, 7, and 10.. Turnaround is 1 to 3 business days after receipt. See full calibration details →
