Performance indicators (* optional feature) 

 1, CV (constant voltage) at work: 
 Source Effect:% +20 mV 
 Load effect:% +20 mV 
 Periodic and random offset voltage (PARD):% +30 mV (rms) 
 2, CV working voltage drift 1X10-3 +10 mV / 7 小时 (20 ± 20C) 
 3, CV can use the remote control (with an external sampling function) * 
 4, remote control potentiometer output voltage, 0 to host resistance, was charged with the voltage from 0 Rating * 
 5, the voltage output voltage remote control, master control voltage of 0 to 5 volts, charged with the voltage from 0 Rating * 
 6, can be remote control potentiometer output current, resistance 0 to master, charged with current from 0 Rating * 
 7, can be remote controlled voltage output current, controlling the voltage from 0 to 5 volts, charged with current from 0 Rating * 
 8, over-voltage protection voltage from 0 to +2 V rated adjustable, when the over-voltage output, the power automatically turns off the output and alarm lock. 
 9 meter accuracy: 1% ± 2 words. 
 10, warm-up time: 15 minutes, but when measured 1 hour drift. 
 11, the use of the environment: according to national standard GB6587-86 "environment for electronic measuring instruments Test Master" Group II requirements in Table 1. 
 12, 8 hours continuous operation at full capacity (40 ℃ environment, long-term use.) 
 13, supply voltage 220 V ± 10% 
 14, 50 ± 10 Hz power frequency