中环科仪
0-30V/0-50V, 0-3A/5A 双路可调，单路 2.5V, 3.3V, 5V/3A 固定 3 种输出
Dual channel 0-30V/ 0-50V, 0- 3A/5A adjustable, single channel 2.5V, 3.3V, 5V/3A fixed output
恒压、恒流、低纹波噪声、低漂移
Constant voltage, constant current, low ripple noise and low drift
串联模式下可构成正负电源输出
Positive and negative power output in series mode
具有输出关断功能
With output turn off function
限流保护,可预设电流、电压
Current limit protection, preset current and voltage
USB 接口输出 5V/2A
USB interface output 5V/2A
| 产品型号 Model | DPS-3303PDU | DPS-3305PDU | DPS-3503PDU |
| 主输出电压/电流 Voltage/Current Output | 0~30Vx2/0~3Ax2 | 0~30Vx2/0~5Ax2 | 0~50Vx2/0~3Ax2 |
| 固定输出电压 Voltage Fixed Output | 2.5V/3.3V/5V USB 5V | 2.5V/3.3V/5V USB 5V | 2.5V/3.3V/5V USB 5V |
| 固定输出电流 Current Fixed Output | 3A, USB 2A | 3A, USB 2A | 3A, USB 2A |
| 尺寸 Dimensions（L*W*H） | 310x250x150mm | 310x250x150mm | 310x250x150mm |
| 重量 Weight | 8.5kg | 10kg | 10kg |
| 输出关断功能 Output Turn off | √ | √ | √ |
| 电压电流默认 Voltage and current default | √ | √ | √ |
主要技术指标 Main Specifications
| 型号Model | DPS-3303KD | DPS-3305KD | DPS-3503KD |
| 稳压特性 Voltage Stabilization Characteristic | |||
| 电源效应 Power effect ion | ≤0.01%+3mV | ≤0.01%+3mV | ≤0.01%+3mV |
| 负载效应 Load effect | ≤0.01%+3mV | ≤0.02%+5mV | ≤0.01%+3mV |
| 纹波与噪声 Ripple and noise | ≤1mVrms | ≤2mVrms | ≤1mVrms |
| 稳流特性 Current Stabilization Characteristic | |||
| 电源效应 Power effect ion | ≤0.2%+3mA | ≤0.2%+3mA | ≤0.2%+3mA |
| 负载效应 Load effect | ≤0.2%+3mA | ≤0.2%+5mA | ≤0.2%+3mA |
| 纹波与噪声 Ripple and noise | ≤3mArms | ≤6mArms | ≤3mArms |
| 追踪操作 Tracking operation(并联 In series) | |||
| 电源效应 Power effect ion | ≤0.01%+3mV | ≤0.01%+3mV | ≤0.01%+3mV |
| 负载效应 Load effect | ≤0.02%+5mV | ≤0.02%+5mV | ≤0.02%+5mV |
| 追踪操作 Tracking operation(串联 In parallel) | |||
| 电源效应 Power effect ion | ≤0.01%+5mV | ≤0.01%+5mV | ≤0.01%+5mV |
| 负载效应 Load effect | ≤300mV | ≤300mV | ≤300mV |
| 固定输出特性 Fixed Output Characteristic | |||
| 电压 Voltage | 2.5V/3.3V/5V±0.25V USB output 5V±0.25V | ||
| 电流 Current | 3A USB output 2A | ||
| 负载效应 Load effect | ≤25mV @110/220VAC 额定交流输入电压 rated AC input voltage | ||
| 纹波与噪声 Ripple and noise | ≤2.0mVrms | ||
| 显示 Display | |||
| 电压表头 Voltage meter | 3 位 A/D 转换数字显示 Three-digit A / D conversion digital display | ||
| 电流表头 Current meter | 3 位 A/D 转换数字显示 Three-digit A / D conversion digital display | ||
| 分辨率 Resolution | 100mV/10mA | ||
| 实际电压电流精度 Actual voltage and current accuracy | ±(1% reading+2 digits) | ||
| 预设电压电流精度 Preset voltage and current accuracy | ±(1% reading+8 digits) | ||
| 电源 Power Supply | AC 220V±10%（标准 standard） AC 110V/220V±10%（可选 selectable） 50Hz/60Hz | ||
| 使用环境 Operation environment | 0°C~40°C, ≤80%RH | ||
| 存储条件 Storage environment | -10°C~70°C, ≤70%RH | ||
| 标准附件 Standard accessories | Power cable, user manual | ||