儀器簡介：
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
NPV and DPV: | Scan rate: | 0.025 mV/s (0.125 mV step) to 50 mV/s (5 mV step) | |||||
Pulse time: | 5 ms to 300 ms | ||||||
SWV: | Frequency: | 1 Hz to 500 Hz | |||||
LSV and CV: | Scan rate: | 0.01 mV/s (0.1 mV step) to 5 V/s (5 mV step) | |||||
AD: | Interval time: | 1 ms to 300 s | |||||
Run time: | 1 s to hours | ||||||
PAD: | Interval time: | 50 ms to 300 s | |||||
Pulse time: | 1 ms to 1 s | ||||||
Run time: | 10 s to hours | ||||||
MPAD: | Pulse times: | 100 ms to 2 s | |||||
Run time: | 10 s to hours | ||||||
Number of potential levels: | 3 | ||||||
Potentiometry at | Interval time: | 1 ms to 30 s | |||||
open circuit (OCP): | Maximum run time: | hours | |||||
Multistep | Interval time: | 1 ms to 30 s | |||||
Amperometry: | Number of potential levels: | 1 to 255 | |||||
Number of cycles: | 1 to 20000 | ||||||
Maximum run time: | hours | ||||||
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)
- 測定電流 ± 20 mA - 測定電流 ± 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..
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