中环科仪
双路可调,单路 5V/3A 固定输出
Dual channel with single 5V/3A fixed outpu
限流保护功能
Current limit protection function
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
内置散热器,内置温控风扇
Built-in radiator, and temperature control fan
产品型号 Model | DPS-3303 | DPS-3305 | DPS-3303K | DPS-3305K |
电压 Voltage | 0~30V*2 | 0~30V*2 | 0~30V*2 | 0~30V*2 |
电流 Current | 0~3A | 0~5A | 0~3A | 0~5A |
单一固定输出 Single Fixed Output | 5V/3A | 5V/3A | 5V/3A | 5V/3A |
输出关断功能 Output shutdown function | - | - | √ | √ |
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 |
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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% |