| Model | TR668/TR668R | TR668A/TR668R |
| | CC/CR/CV/CP | CC/CR/CV/CP |
| Ratings | | |
| Voltage | 60V | 300V |
| Current | 60A | 10A |
| Power | 300W | 300W |
| Min Operating Start Voltage | 1.5V | 1.5V |
| Constant Cuttent Mode | | |
| Range | High/low:0-60A | High/low:1-10A |
| Accuracy | 0.3%+3counts | 0.3%+3counts |
| Resolution | High/Low:1mA | High/Low:1mA |
| Constant Resistance Mode | | |
| Range | High/Low:0.05Ω-4kΩ | High/Low:0.5Ω-9.999kΩ |
| Accuracy | 1% | 1% |
| Resolution | High/Low:1mΩ | High/Low:1mΩ |
| Constant Vltage Mode | | |
| Range | 0-60V | 0-300V |
| Accuracy | 0.5% | 0.5% |
| Resolution | 1mV | 1mV |
| Constant Power Mode | | |
| Range | 0-300W | 0-300W |
| Accuracy | 0.5% | 0.5% |
| Resolution | 1mW | 1mW |
| Dynamic Operation | | |
| Dynamic Mode | CC Mode | CCMode |
| Setting Time | High/Low:20us-9999sec | High/Low:20us-9999sec |
| Slew Rate | High/Low:1mA-2.5A/us | High/Low:1mA-9.999A/us |
| Accuracy | 5% | 5% |
| Voltage Read Back | | |
| Accuracy | 0.1%+10mV | 0.1%+10mV |
| Resolution | High:0.01V Low:0.001V | High:0.1V Low:0.01V |
| Current Read Back | | |
| Accuracy | 0.3%+20mA | 0.3%+20mA |
| Resolution | High:0.01A Low:0.001A | High:0.01A Low:0.001A |
| Current monitor | | |
| Full Scale Output Voltage | 10V/60A | 10V/10A |
| Accuracy | 2%+100mV | 2%+100mA |
| Function | Built-in with short current indicate | |
| Memory | 40set test parameter store,recall function |
| General | | |
| Operation Environment | Temeperature:0-40℃ Humidity:≤80%RH |
| Power Consumption | 100W max |
| Power Requirement | 100V/120V/220V/240V |
| Frequency | 50/60Hz |
| Weight | TR668R/TR668AR:29kg TR668/TR668A:7kg |
| Dimension(W×H×D) | TR668R/TR668AR:430×177×440mm TR668/tr668A:177×110×440mm |