Features 
** Two independent adjustable outputs: 0~30V/3A/5A*2 
** Output ON/OFF control 
** Constant voltage and constant current, low ripple & noise, low temperature drift 
** In tracking mode, two outputs are automatically connected in series or parallel without extra cables 
** In series mode, the instrument can be connected as positive and negative supplies
** Multi-tune potentiometer for coarse and fine voltage/current control
** Dual-color 4 LED panel meters for voltage and current display
** Built-in heat sink

Specifications
Output
TP-2303E: 0~30V/3Ax2
TP-2305E: 0~30V/5Ax2

Constant voltage operation  
Load regulation: ≤0.01%+3mV (TP-2303E), ≤0.02%+5mV (TP-2305E)
Line regulation: ≤0.01%+3mV (TP-2303E), ≤0.01%+3mV (TP-2305E)
Ripple & Noise: ≤1mV rms (TP-2303E), ≤2mV rms (TP-2305E)
Temperature co-efficient: ≤300ppm/℃
Recovery time: ≤100us (50% load change, minimum load 0.5A)

Constant current operation 
Load regulation: ≤0.2%+3mA (TP-2303E), ≤0.2%+5mA (TP-2305E)
Line regulation: ≤0.2%+3mA (TP-2303E), ≤0.2%+3mA (TP-2305E)
Ripple & Noise: ≤3mA rms (TP-2303E), ≤6mA rms (TP-2305E)

Tracking operation 
Parallel: Line regulation: ≤0.01%+3mV   Line regulation: ≤0.01%+3mV
           Load regulation: ≤0.01%+3mV   Load regulation: ≤0.02%+5mV
Serial: Line regulation: ≤0.01%+5mV
         Load regulation: ≤300mV
         Slave error: ≤0.5%+10mV of the master, no load (with load, add load regulation≤300mV)

Display 
Voltmeter display range:  30V
Display resolution: 100mV
Display accuracy: ±(0.5% of rdg+2 digits)
Ammeter display range: 3A (TP-2303E), 5A (TP-2305E)
Display resolution: 10mA
Display accuracy: ±(1% of rdg+2 digits)
Display mode: 3 digit LED display

Power source: AC110V/220V ±10%, 50/60Hz
Operating environment: 0℃~40℃, <80%
Storage environment: -10℃~70℃, <80%
Accessories: Power cord x1, Operation manual x1
Dimension: 260W*160H*330D mm
Weight: 7KG (TP-2303E), 9KG (TP-2305E)