仪器简介：
EmStat3及EmStat3+型迷你恒电位仪，紧凑小型化设计, 用USB连接台式电脑或笔记本提供电源，编辑PSTrace软件，即可应用于绝大部分的伏安法和电流法技术 是性能价格比很高的仪器。
PSTrace操作界面
PSTrace 定量分析模式
PSTrace 腐蚀模式
EmStat3 and EmStat3+应用方法
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技术参数 EmStat3+技术参数
- 直流电位范围 ± 3.000 V - 直流电位范围 ± 4.000 V
- 输出电压范围 ± 5 V - 输出电压范围 ± 8 V
- 直流电位分辨率 0.1 mV - 直流电位分辨率 0.125 mV
- 偏置误差 2 mV - 偏置误差 3 mV
- 电位精度 ≤ 0.2 % - 电位精度 ≤ 0.3 %
- 电流量程 1 nA to 10 mA (8 ranges) - 电流量程 1 nA to 100 mA (9 ranges)
- 测定电流 ± 20 mA - 测定电流 ± 100 mA
- 电流 ± 20 mA - 电流 ± 100 mA
- 电流分辨率 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
- 静电计放大器输入 > 100 Gohm // 4 pF
- 上升时间 approx. 100 μs
- 尺寸: 6.7 cm x 5.0 cm x (1.9 to 2.8 cm)
注:
EmStat3 and EmStat3+ 可以作为一个部件集成到其它的设备上..
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