A unique high-performance, very low-cost scientific instrument based on modern semiconductor products and advanced software technology.
Applications
- Potentiometric and amperometric sensor applications
- Free-radical detection (oxygen, nitric oxide, H2O2, etc.)
- Electrochemical research and education
- Photo-current amplifier
- Multi-channel, high input impedance digitizer
- Many other user-configurable applications
Downloads
DY2000 spec sheet »
Hardware
| Max. Output Current |
±2.0 mA / CH |
| Controlling Voltage Range |
±2.0 V |
| Max. Compliance Voltage |
±2.2 V |
| Current Range |
±2.0 nA to ±2.0 mA in 7 steps |
| Current Resolution |
0.002 % of current range, 76 fA for ±2.0 nA range |
| Current Accuracy |
< 1.0% of current range |
| Input Bias Current @ 25°C |
< 20 pA |
| Min. Potential Step (by user) |
1.0 mV (60 µV for the hardware) |
| ADC Converter |
16-bit, 100 kHz |
| DAC Converter |
16-bit |
| Input Channels |
1 or 2 depending on hardware configuration |
| Electrode Configuration |
CH1(CE, RE and WE), CH2 (EC, WE) |
| System Bandwidth |
> 30 kHz |
| Min. Rise time of Applied Waveform |
< 2.0 µsec / V |
| Min. Time Base |
0.1 msec |
| Max. Data Points per CH |
15000 |
| Computer Interface |
USB with PCs running Windows |
| Dimensions (W x D x H) & Weight |
15 x 26 x 5 cm, 1 kg |
| Power Requirements |
90-240 VAC, 3 W |
Software Techniques
| Amperometric i-t curve (iT) |
Sampling Time (sec) = [0.0001 to 10] |
| Cyclic Voltammetry (CV) |
Scan Rate (V/sec) = [0.001 to 10] |
| Open circuit potential vs. time (OCP) |
Sampling Time (sec) = [0.0001 to 10] |
| Differential Pulse Voltammetry (DPV) |
Step E (V) = [0.001 to 0.1], Amplitude (V) = [0.001 to 0.5], Pulse Period (sec) = [0.02 to 100] |
| Normal Pulse Voltammetry (NPV) |
Step E (V) = [0.001 to 0.5], Pulse Period (sec) = [0.02 to 100] |
| Multi-Step Potential (MSP) |
Step E (V) = [-2.0 to +2.0], Step Width (sec) = [0.005 to 200] |
| Square Wave Voltammetry (SWV) |
Step E (V) = [0.001 to 0.1], Frequency (Hz) = [0.01 to 50] |
Sample Plots
