East Tester ETP3005B DC Regulated Power Supply 150W 30V 5A Single Channel DC Regulated Power Supply High Precision Encoder Adjustment Maintenance Storage Remote Control Multifunctional Power Supplys 4 Digits LED Display Regulated Power Supply This series of products is a single-channel DC regulated power supply with 4-bit LED digital display; Automatic switching between constant voltage (CV) and constant current (CC) modes; The output voltage and current limiting current are continuously adjustable; Advanced switching power supply control technology and components are adopted, which has high efficiency, light weight, energy saving and environmental protection, and can provide 5V/2A USB fast charging function (optional). Features: Display Mode: LED digital display, 4-digit digital voltage, current and power display. Multiple Protection: over-voltage, over-current, over-power and over-temperature protection Efficient Heat Dissipation: With fan vent and intelligent temperature control fan, used for internal heat dissipation of power supply, intelligent temperature control adjustment, energy saving and electricity saving. Data Storage and Recall: 3 sets of shortcut parameter storage/recall functions, which are convenient and effective. Easy e: Constant voltage (CV) and constant current (CC) modes can be automatically switched, with status indicator. Encoder adjustment, the specified number of digits can be adjusted accurately. Support a Variety of Communication Modes: The product provides users with up to three communication modes, namely USB(optional), RS232(optional) and RS485(optional), to realize remote control. Caution:  US Plug Input Voltage: 100-120V EU/UK Plug Input Voltage: 200-240V Specifications: Plug: US / EU / UK (Optional) Model: ETP3005B Output Voltage: 0~30V Output Current: 0~5A Output Power: 150W Voltage Stabilizing State: voltage stability: ≤ 0.1%±3mV; load stability: ≤ 0.1% ±3mA. Current Stabilizing State: current stability: ≤ 0.1%±3mV; load stability: ≤ 0.1% ±3mA. Display Accuracy: voltage: 0.5%±3 words; current: 0.5%±3 words. Ripple and Noise: VPP≤1% Display Resolution: voltage: up to 10mV; current: up to 1mA; power: up to 10mW Display Mode: 4-digit red LED digital tube, 0.56 inch. Power Input: AC 220V±10% /50Hz or AC 110V±10% /60Hz (please specify when purchasing). Operating Environment: indoor use, altitude: <=2000m, temperature: 5~40℃, humidity: 10~85%RH. Storage Environment: temperature: -20~80℃, humidity: <=80%RH. Fuse Specification: 3A Material: Plastic+galvanized sheet Item Size: 20.6 * 14.5 * 12 cm / 8.11 * 5.71 * 4.72 inch Item Weight: 1537g / 54.22oz Package Size: 29.2 * 20.2 * 18.7 cm / 11.5 * 7.95 * 7.36 inch Package Weight: 1935g / 68.25oz Package List: 1 * DC Regulated Power Supply 1 * Power Cable 1 Pair * Test Cable 1 * User Manual (English)