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
| 产品型号 Model | DPS-3303KD | DPS-3305KD | DPS-3503KD |
| 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 | 2.5V/3.3V/5V | 2.5V/3.3V/5V |
| 固定输出电流 Current Fixed Output | 3A | 3A | 3A |
| 尺寸 Dimensions（L*W*H） | 310x250x150mm | 310x250x150mm | 310x250x150mm |
| 重量 Weight | 8kg | 9.5kg | 9.5kg |
| 输出关断功能 Output Turn off | √ | √ | √ |
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 | ||
| 电流 Current | 3A | ||
| 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 | ||