Output voltage: 0 ~ Rating Output Current: 0 ~ Rating (0 is approximately zero, the same below) constant value continuously adjustable range: 0 ~ rated current value continuously adjustable range: 0 ~ Rating regulator Source Effect ≤ 0.02% accuracy rating (rate of change of the input supply voltage variation caused by ± 10% output voltage) load effect ≤ 0.2% (power supply output current caused when changing from zero to rated output voltage rate of change) output lines Wave Output ripple: ≤ 0.1% +10 mV (rms); measurement, measurement methods, see the relevant standard rated output drift ≤ 0.3% rating (continuous power more than eight hours working time rate of change of the output voltage caused) temperature drift ≤ 0.04% RATINGS / ℃ (rate of change of the output voltage of the power supply caused by the ambient temperature range from ambient temperature changes) voltage / current setting ten-turn potentiometer voltmeter display function display is three and a half or four and a half LED digital display; ammeter is three and a half or four and a half LED digital display. Display resolution voltmeter 0.1V, ammeter 0.1A (power display precision different specifications may be different) display error voltmeter ≤ 1% ± 1 word, ammeter ≤ 1% ± 1 word (10% - 100% of range) Output short circuit protection, overvoltage, overload control intelligent computer control functions: control of voltage and current analog signal output from the external input of the machine, such as a standard 5V external input, 10V ,4-20mA signal. (Optional) Programmable: via RS232 or 485 interface directly connected to a PC, using special software to control the output voltage and current values, and work on the computer monitor in real time the power of the state to accurately grasp the load characteristics. (Optional) Soft Start Soft Start Time: You can set the (optional) pulse function with time controller constitute a DC pulse power supply (optional) automatic discharge for discharging the capacitive load shutdown (optional) work long-term continuous full load Insulation Resistance ≥ 20MΩ work compressive strength 1500V 60S Temperature Coefficient ≤ 4 × 10-5 ℃ ambient temperature -20 ℃ ~ +40 ℃