儀器簡(jiǎn)介:
EmStat3及EmStat3+型迷你恒電位儀,緊湊小型化設(shè)計(jì), 用USB連接臺(tái)式電腦或筆記本提供電源,編輯PSTrace軟件,即可應(yīng)用于絕大部分的伏安法和電流法技術(shù) 是性能價(jià)格比很高的儀器。
PSTrace操作界面
PSTrace 定量分析模式
PSTrace 腐蝕模式
EmStat3 and EmStat3+應(yīng)用方法
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| NPV and DPV: |
| Scan rate: |
| 0.025 mV/s (0.125 mV step) to 50 mV/s (5 mV step) |
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| Pulse time: |
| 5 ms to 300 ms |
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SWV: |
| Frequency: |
| 1 Hz to 500 Hz |
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| LSV and CV: |
| Scan rate: |
| 0.01 mV/s (0.1 mV step) to 5 V/s (5 mV step) |
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AD: |
| Interval time: |
| 1 ms to 300 s |
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| Run time: |
| 1 s to hours |
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| PAD: |
| Interval time: |
| 50 ms to 300 s |
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| Pulse time: |
| 1 ms to 1 s |
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| Run time: |
| 10 s to hours |
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MPAD: |
| Pulse times: |
| 100 ms to 2 s |
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| Run time: |
| 10 s to hours |
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| Number of potential levels: | 3 |
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| Potentiometry at |
| Interval time: |
| 1 ms to 30 s |
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| open circuit (OCP): |
| Maximum run time: |
| hours |
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Multistep |
| Interval time: |
| 1 ms to 30 s |
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Amperometry: |
| Number of potential levels: |
| 1 to 255 |
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| Number of cycles: |
| 1 to 20000 |
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| Maximum run time: |
| hours |
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Note: some limits of parameters are set for practical reasons and can be modified on requ7est.
(1) PSTrace provides the option to measure forward and reverse currents separately.
EmStat3技術(shù)參數(shù) EmStat3+技術(shù)參數(shù)
- 直流電位范圍 ± 3.000 V - 直流電位范圍 ± 4.000 V
- 輸出電壓范圍 ± 5 V - 輸出電壓范圍 ± 8 V
- 直流電位分辨率 0.1 mV - 直流電位分辨率 0.125 mV
- 偏置誤差 2 mV - 偏置誤差 3 mV
- 電位精度 ≤ 0.2 % - 電位精度 ≤ 0.3 %
- 電流量程 1 nA to 10 mA (8 ranges) - 電流量程 1 nA to 100 mA (9 ranges)
- 測(cè)定電流 ± 20 mA - 測(cè)定電流 ± 100 mA
- 電流 ± 20 mA - 電流 ± 100 mA
- 電流分辨率 0.1 % of current range
1 pA on lowest current range
- 精度 ≤ 0.2 % of current range at 100 nA to 100 μA
≤0.5 % at 10 nA
≤ 1 % at 1 nA
all with additional 0.2 % offset error
- 靜電計(jì)放大器輸入 > 100 Gohm // 4 pF
- 上升時(shí)間 approx. 100 μs
- 尺寸: 6.7 cm x 5.0 cm x (1.9 to 2.8 cm)
注:
EmStat3 and EmStat3+ 可以作為一個(gè)部件集成到其它的設(shè)備上..