PAR VersaSTAT 電化學分析儀
VersaSTAT 系列是PAR最暢銷之電化學分析儀機型，分為V3, V3F, V4三種規格機型，另可以依用戶應用需求選購基礎電化學、腐蝕、能源、交流阻抗等四大功能，讓用戶購買最符合自己需求的設備。
- 全機型標配2A大電流，未來可再選購20A Booster
- 4nA/ 120fA 最小電流檔位和解析度，滿足所有腐蝕、感測器…等應用
- 可選購10µHz to 1MHz交流阻抗功能
- 操作直觀的免費VersaStudio軟體
| Configuration | |
| Cell connections | 2, 3 or 4 terminal plus ground |
| Data acquisition | |
| Data acquisition | 3 x 16-bit ADCs synchronized - voltage / current / auxiliary |
| Time base resolution (minimum) | 2µs (500K Samples/ Second) |
| Automatic noise filters | Enabled / disabled |
| Power amplifier (CE) | |
| Voltage compliance | ± 12 V |
| Current compliance | ± 2 A |
| Potentiostat bandwidth | 1MHz |
| Stability settings | six settings; high stability, 1 MHz-100 Hz |
| Slew rate | ≥8V per µs typical (no load) |
| Rise time (-1.0V to +1.0V) | < 350ns (no load) |
| Voltage control(potentiostat mode) | |
| Applied voltage range | ± 10 V |
| Applied voltage resolution | for ±10 mV signal = 300 nV for ±100 mV signal = 3µV for ±1V signal = 30µV for ±10V signal = 300µV |
| Applied voltage accuracy | ±0.2% of value ± 2mV |
| Maximum scan rate | 5000 V/s (10 mV step) |
| Maximum scan range | ± 10 V / 300 µV |
| Current control(galvanostat mode) | |
| Applied current range | ± full scale (depends on range selected) ± 2 A |
| Applied current resolution | ±1/32,000 x full scale |
| Applied current accuracy | ±0.2% of reading, ±0.2% of range, ±200 pA |
| Maximum current range / resolution | ± 2 A / 60µA |
| Minimum current range / resolution | ± 4 nA / 120 fA |
| Max input range | ±10 V |
| Bandwidth | ≥ 10 MHz (-3dB) |
| Input impedance | ≥ 1012 Ω in parallel with≤ 5 pF (typical |
| Leakage current | ≤ 5 pA at less than 25°C |
| CMRR | 60 dB at 100 kHz (typical) |
| Voltage Measurement | |
| Voltage range | ± 10 V |
| Minimum resolution | 6µV |
| Voltage accuracy | ±0.2% of reading, ±2 mV |
| Current measurement | |
| Current ranges | Auto-ranging (10 ranges) 2 A to 4 nA (10 ranges) Up to 20 A (with booster option) Down to 4 pA with low current option |
| Current resolution | 120 fA (4 nA range) |
| Current accuracy (DC) | 20 nA to 2 A: ±0.2% of reading, ±0.2% of range 4 nA: |
| Bandwidth | 1 MHz (signal≥2 mA range typical) |
| Bandwidth limit filter | Yes, five total |
| IR Compensation | |
| Positive feedback | Yes |
| Dynamic IR | Yes |
| Mode | Potentiostatic / Gavanostatic |
| Frequency range | 10µHz~ 1MHz |
| Minimum AC voltage amplitude | 0.1 mV RMS |
| Sweep | Linear or Logarithmic |
| General | |
| General | 250 VA Max. Voltage range 90Vac to 250Vac, 50-60 Hz |
| Dimensions (w x d x h) | 16¼” x 15¼” x 3½” 421 x 387 x 89 mm |
| Weight | 10 lbs, 4.5 kgs |
| Operating temperature range | 10°C to 50°C |
| Dummy Cell | Internal and External supplied |
| CE approved | Yes |