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Product description: LongWei LW-305KDS precision laboratory power supply 0-30 V 5 A
Laboratory powersupply with the function of precise current and voltage regulation. The device has two potentiometers, which are responsible for setting parameters at different levels of accuracy.Coarse, is used for setting the voltage and output current "roughly", whileFineallows precise adjustment of these values. The power supply enables stepless adjustment of voltage within the range from0 V to 30 Vand current from0 A to 5 A. The LongWei LW-305KDS supportsC.V(output voltage stabilisation) andC.C(output current stabilisation)modes. Operation of both functions is indicated by LEDs on the front panel. The product is equipped with a one-level display showing current and voltage parameters.
Precision laboratory power supply LongWei LW-305KDS.
LongWei LW-305KDS - front panel view.
Description of the buttons controlling the laboratory power supply
- C.V (Constant Voltage) - input voltage stabilisation indicator
- C.C (Constant Current) - output current stabilization indicator
- V-COARSE - "coarse" adjustment of the output voltage
- V-FINE - precise adjustment of output voltage
- A-COARSE - "coarse" adjustment of output current
- A-FINE - fine adjustment of the output current
- ON / OFF - Power ON button
- Black socket (Output Terminal Negative) - "-" output terminal
- Yellow socket (Output Terminal Ground) - Ground terminal
- Red socket (Output Terminal Positive) - "+" output terminal
Specifications of the LongWei LW-305KDS laboratory power supply unit
- Output voltage range: from 0 V to 30 V
- Output current range: from 0 A to 5 A
- Operating parameters:
- AC voltage 220 V / 110 V ± 10% (switch on the back of the case)
- Operating temperature: -10°C to 40°C, relative humidity: ≤ 80% RH
- Storage temperature: -20°C to 80°C, relative humidity: ≤ 70% RH
- Output power: up to 150 W
- Ripple and noise in C.V and C.C mode
- Voltage: ≤ 10 mVrms
- Current: ≤ 20 mArms
- Stabilization factor
- Voltage (C.V): ≤ 0.05% + 1 mV
- Current (C.C): ≤ 0.05% + 10 mA
- Load Stabilization Factor
- Voltage (C.V): 0.1% + 5 mV
- Current (C.C): 0.1% + 10 mA
- Built-in protection against exceeding the permissible values
- Current protection
- Voltage protection
- Temperature protection
- Built-in fan in the back of the housing
- Handle for transporting the device
- Dimensions: 285 x 128 x 145 mm
- Weight: 2.5 kg
Contents of the set
- LongWei Laboratory Power Supply LW-305KDS
- Power cord
- Crocodile - banana cables
View of the rear part of the device.
