中环科仪
K 型具有输出关断功能
K model has output turn off function
P 型具有输出关断及电压电流预设功能
P model has output turn off and voltage/current preset functions
恒压、恒流、低纹波噪声、低漂移
Constant voltage, constant current, low ripple noise and low drift
串联下正负电源输出
Positive and negative power supply output in series
外置散热器
External heat sink
可预设限流点,有过流保护功能
With current limit preset and overcurrent protection functions
多圈电位器
Multi-turn potentiometer
产品型号 Model | DPS-3003LK-3 | DPS-3005LK-3 | DPS-3003LP-3 | DPS-3005LP-3 |
电压 Voltage / 电流 Current | 0~30V*2/0~3A | 0~30V*2/0~5A | 0~30V*2/0~3A | 0~30V*2/0~5A |
固定输出 Fixed Output | 5V/3A | 5V/3A | 5V/3A | 5V/3A |
电压电流预设功能 Voltage/current preset | - | - | √ | √ |
输出关断功能 Turn off function | √ | √ | √ | √ |
尺寸 Dimensions(L*W*H) | 310x260x160mm | 310x260x160mm | 310x260x160mm | 310x260x160mm |
重量 Weight | 8kg | 10kg | 8kg | 10kg |
主要技术指标 Main Specifications
输入电压 Voltage input | AC 220V±10% 50Hz±2Hz |
额定输出电压 Voltage output | 0~30V |
额定输出电流 Current output | 3A/5A |
工作模式 Work Pattern | |
两路独立输出+一路固定 5V/3A 输出 Two independent outputs + One way fixed output | |
串联 Series | 0~60V/3A/5A |
并联 Parallel | 0~30V/6A/10A |
稳压特性 Voltage Stabilization Characteristic | |
电源效应 Power effect ion | CV≤0.01%+3mV CC≤0.2%+3mA |
负载效应 Load effect | I≤3A:CV≤0.01%+3mV CC≤0.2%+3mA I>3A:CV≤0.02%+5mV CC≤0.2%+5mA |
纹波与噪声 Ripple and noise | I≤3A:CV≤1.0mVrms CC≤3mArms I>3A:CV≤2.0mVrms CC≤6mArms |
稳流特性 Current Stabilization Characteristic | |
电源效应 Power effect ion | ≤0.2%+3mA |
负载效应 Load effect | ≤0.2%+3mA |
纹波与噪声 Ripple and noise | ≤3mArms |
电源 Power Supply | |
AC 220V±10%(标准 standard) AC 110V/220V±10%(可选 optional) 50Hz/60Hz |
|
串并联模式 Series-parallel Mode | |
并联 Parallel | 电源效应 Power effect ion:≤0.01%+3mV 负载效应 Load effect:≤0.01%+3mV(I≤3A) ≤0.02%+5mV(I>3A) |
串联 Series | 电源效应 Power effect ion:≤0.01%+5mV 负载效应 Load effect:≤300mV 从路误差 Flower error:≤0.5%+10mV(无负载,加载时需加上负载效 应≤300mV Without load, if with, Load effect:≤300mV should be counted in ) |
显示 Display | |
电压指示精度 Accuracy of voltage indication | 三位 A/D 转换数字显示±(0.5%+2 个字) Three-digit A / D conversion digital display±(0.5%+2 digitals) |
电流指示精度 Accuracy of current indication | 三位 A/D 转换数字显示±(1%+2 个字) Three-digit A / D conversion digital display±(1%+2 digitals) |
5 伏固定输出电源 5V Fixed Output Power | |
额定输出电压 Voltage output | 5V±0.25V |
最大额定输出电流 Max current output | 3A |
电源效应 Power effect ion | ≤25mV |
负载效应 Load effect | ≤25mV |
纹波与噪声 Ripple and noise | ≤2.0mVrms |
保护 Protection | 电流限制及短路保护 Current limit and short circuit protection |
使用环境 operational environment | 0~+40°C |
相对湿度 Relative humidity | ≤80% |