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Need help?Do you have a question about the QJE PS30SWIV and is the answer not in the manual?
Covers essential safety measures including grounding, power connection, ventilation, handling hot units, short circuit protection, and proper usage.
Highlights high efficiency, compact design, noise minimization for communication, and convenient functions like pre-set knobs and meters.
Identifies and explains the functions of the power switch, noise offset control, voltage adjustment knob, and output control switch.
Details the output terminals, digital meter display, and current indication for monitoring voltage and current.
Lists input voltage, output voltage range, voltage regulation, and output current capabilities.
Specifies protection features like short-circuit and current limiting, ripple, fuse rating, meter type, dimensions, and weight.
The PS30SWIV is a high-efficiency, compact, and lightweight switching mode DC regulated power supply, designed for high performance, particularly in communication applications. Its engineering focuses on minimizing noise, and even when noise occurs, it can be effectively eliminated using the Noise-Offset control. This power supply integrates several convenient features, including a voltage pre-set knob and a highly visible back-lit meter, making it a comprehensive and user-friendly device.
The primary function of the PS30SWIV is to provide a stable and regulated DC power output. It operates as a switching power supply, which allows for a compact and lightweight design while maintaining high efficiency. The device is equipped with a voltage adjustment knob, enabling users to set the output voltage within a specified range. A 3-digital meter displays both the current and voltage, providing real-time feedback on the power output. The unit also features an output control switch, which allows users to turn the output on or off independently of the main power switch.
A key feature of this power supply is its Noise-Offset control. This function is specifically designed to minimize or eliminate noise, which is particularly beneficial in sensitive communication environments. By adjusting the noise off-set volume control, users can fine-tune the output to reduce unwanted interference, ensuring cleaner power delivery for connected devices.
To operate the PS30SWIV, users first turn on the unit using the power switch. The voltage adjustment knob allows for precise setting of the desired output voltage. This knob can be rotated clockwise to increase the voltage and counter-clockwise to decrease it. A center position on the knob is typically set to supply a standard voltage, making it easy to return to a common setting. The 3-digital meter provides continuous readings of the output voltage and current, allowing users to monitor the power supply's performance at a glance.
The output terminals are clearly marked for positive (red) and negative (black) connections, ensuring correct wiring. An output control switch provides an additional layer of control, allowing users to enable or disable the power output without turning off the entire unit. This is useful for quickly connecting or disconnecting loads.
The PS30SWIV is designed for use in a dry and well-ventilated area to ensure optimal performance and prevent overheating. While the unit is designed for high efficiency, it can still generate heat during operation, so proper ventilation is important. Users should avoid touching the unit while it is working, even though it is designed for high efficiency, as it may become hot.
The device incorporates several protection mechanisms to ensure safe operation. A current limiting system protects the unit from overloading, automatically limiting the output current if it exceeds a safe threshold. In the event of a short circuit, the unit's short circuit protection function will activate, safeguarding both the power supply and the connected devices. When a short circuit occurs, the unit should be turned off immediately, the cause of the short circuit repaired, and then the unit can be turned back on.
Maintenance of the PS30SWIV primarily involves ensuring proper grounding and fuse replacement. The product should always be suitably grounded to prevent electric shock and reduce electrical noise, contributing to both safety and performance.
The unit is equipped with a fuse for protection. Before replacing a fuse, it is crucial to ensure that the unit has been turned off to prevent electrical hazards. Users must also make sure to use the specified type of fuse for replacement, as using an incorrect fuse can compromise the unit's protection and potentially cause damage. A spare fuse is typically provided with the unit for convenience.
The cooling fan, located at the rear of the unit, helps dissipate heat generated during operation, contributing to the longevity and stable performance of the power supply. Regular checks to ensure the fan is unobstructed and functioning correctly are advisable.
Users are strongly advised against disassembling, modifying, or unnecessarily touching the inside of the unit. Such actions could cause damage to the product and will invalidate the warranty. The design of the PS30SWIV is robust, and internal components are not intended for user access.
It is important to note that the unit should not be used for devices that require a high current input at startup, such as motorized equipment, as this could exceed the unit's capabilities. Additionally, the PS30SWIV is not designed for charging car batteries, and a car cigarette lighter should not be used in the cigarette plug socket on the unit. Adhering to these guidelines will help ensure the safe and effective operation of the power supply.
General| Model | QJE PS30SWIV |
|---|---|
| Category | Power Supply |
| Operating Temperature | 0°C to 40°C |
| Output Voltage | 30V DC |
| Type | Linear |
| Protection | Short Circuit Protection |
| Connector Type | Banana |
| Storage Temperature | -20°C |
