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Цена по запросу
Производитель: Signal Recovery
| Signal Channel | |
| Voltage Input | |
| Modes | A only, -B only or Differential (A-B) |
| Full-scale Sensitivity | |
| 0.5 Hz ≤ F ≤ 250 kHz | 10 nV to 1 V in a 1-2-5 sequence |
| 250 kHz < F ≤ 2.0 MHz | 100 nV to 1 V in a 1-2-5 sequence |
| Max. Dynamic Reserve | > 100 dB |
| Impedance | 100 MΩ // 25 pF |
| Maximum Safe Input | 20 V pk-pk |
| Voltage Noise | 5 nV/√Hz @ 1 kHz |
| C.M.R.R. | > 100 dB @ 1 kHz |
| Frequency Response | 0.5 Hz to 2.0 MHz |
| Gain Accuracy | ±0.3% typ, ±0.6% max. (full bandwidth) |
| Distortion | -90 dB THD (60 dB AC gain, 1 kHz) |
| Line Filter | attenuates 50, 60, 100, 120 Hz |
| Grounding | BNC shields can be grounded or floated via 1 kΩ to ground |
| Current Input | |
| Mode | Low Noise, Normal or Wide Bandwidth |
| Full-scale Sensitivity | |
| Low Noise | 10 fA to 10 nA in a 1-2-5 sequence |
| Normal | 10 fA to 1 µA in a 1-2-5 sequence |
| Wide Bandwidth | |
| F ≤ 250 kHz | 1 pA to 100 µA in a 1-2-5 sequence |
| F > 250 kHz | 10 pA to 100 µA in a 1-2-5 sequence |
| Max. Dynamic Reserve | > 100 dB |
| Frequency Response (-3 dB): | |
| Low Noise | ≥ 500 Hz |
| Normal | ≥ 50 kHz |
| Wide Bandwidth | ≥ 1 MHz |
| Impedance | |
| Low Noise | < 2.5 kΩ @ 100 Hz |
| Normal | < 250 Ω @ 1 kHz |
| Wide Bandwidth | < 25 Ω @ 10 kHz |
| Noise | |
| Low Noise | 13 fA/√Hz @ 500 Hz |
| Normal | 130 fA/√Hz @ 1 kHz |
| Wide Bandwidth | 1.3 pA/√Hz @ 1 kHz |
| Gain Accuracy | ± 0.6% typ, midband |
| Line Filter | attenuates 50, 60, 100, 120 Hz |
| Grounding | BNC shield can be grounded or floated via 1 kΩ to ground |
| Reference Channel | |
| TTL Input | |
| Frequency Range | 0.5 Hz to 2.0 MHz |
| Analog Input | |
| Impedance | 1 MΩ // 30 pF |
| Sinusoidal Input Level | 1.0 V rms* |
| Frequency Range | 0.5 Hz to 2.0 MHz |
| Squarewave Input Level | 250 mV rms |
| Frequency Range | 2 Hz to 2 MHz |
| *Note: Lower levels can be used with the analog input at the expense of increased phase errors | |
| Phase Set Resolution | 0.001° increments |
| Phase Noise at 100 ms TC, 12 dB/octave slope: | |
| Internal Reference | < 0.0001° rms |
| External Reference | < 0.01° rms @ 1 kHz |
| Orthogonality | 90° ± 0.0001° |
| Acquisition Time | |
| Internal Reference | instantaneous acquisition |
| External Reference | 2 cycles + 50 ms |
| Reference Frequency Meter Resolution | 1 ppm or 1 mHz, whichever is the greater |
| Demodulator and Output Processing | |
| Output Filters | |
| X, Y and R outputs only | |
| Time Constant | 1 µs to 1 ms in a 1-2-5 sequence, and 4 ms |
| Slope (roll-off) | 6 and 12 dB/octave |
| All outputs | |
| Time Constant | 500 µs to 100 ks in a 1-2-5 sequence |
| Slope | 6, 12, 18 and 24 dB/octave |
| Synchronous Filter | Available for F < 20 Hz |
| Offset | Auto and Manual on X and/or Y: ±300% full-scale |
| Absolute Phase Measurement Accuracy | ≤ 0.01° |
| Oscillator | |
| Frequency | |
| Range | 0.5 Hz to 2.0 MHz |
| Setting Resolution | 1 mHz |
| Absolute Accuracy | ± 50 ppm |
| Distortion (THD) | -80 dB @ 1 kHz and 100 mV rms |
| Amplitude (rms) | |
| Range | 1 mV to 1 V |
| Setting Resolution | 1 mV |
| Accuracy | ±0.2% |
| Stability | 50 ppm/°C |
| Output Impedance | 50 Ω |
| Sweep | |
| Amplitude Sweep | |
| Output Range | 0.000 to 1.000 V rms |
| Law | Linear |
| Step Rate | 20 Hz maximum (50 ms/step) |
| Frequency Sweep | |
| Output Range | 0.5 Hz to 2.0 MHz |
| Law | Linear or Logarithmic |
| Step Rate | 1 kHz maximum (1 ms/step) @ output time constant settings of 500 µs or longer; 140 ms/point otherwise |
| Outputs | |
| Main Analog (CH1 and CH2) Outputs: | |
| Function | X, Y, R, Θ, Noise, Ratio, Log Ratio and User Equations 1 & 2. |
| Amplitude | ±2.5 V full-scale; linear to ±300% full-scale |
| Impedance | 1 kΩ |
| Update Rate | |
| X, Y or R @ TC £ 4 ms | 7.5 MHz |
| All outputs @ TC ³ 500 µs | 1 kHz |
| Reference Output | |
| Waveform | 0 to 3 V rectangular wave, active in External Reference Mode only |
| Impedance | TTL-compatible |
| Power - Low Voltage | ±15 V at 100 mA rear panel 5-pin 180° DIN connector for powering SIGNAL RECOVERY preamplifiers |
| General | |
| Power Requirements | |
| Voltage | 110/120/220/240 VAC |
| Frequency | 50/60 Hz |
| Power | 200 VA max |
| Dimensions | |
| Width | 17¼" (435 mm) |
| Depth | 19" (485 mm) |
| Height | |
| With feet | 6" (150 mm) |
| Without feet | 5¼" (130mm) |
| Weight | 25.4 lb (11.5 kg) |
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