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Daystar Quantum Power Supply
This is the official Daystar Quantum Power Supply, engineered to provide the clean, stable electrical current required for the precise thermal regulation of Daystar Quantum series solar filters. Maintaining the exact operating temperature of the filter's etalon is critical for staying on-band and resolving the finest details on the solar chromosphere. It is the 100-240VAC adapter Daystar supplies with the Quantum, whose PID heater control regulates temperature to ±0.5°C (±0.05Å).
Powering Precision: How the Quantum Regulates Temperature
A Daystar Quantum filter is not a passive optical device; it is an active, heated instrument that must maintain a specific temperature to an extremely high tolerance. The input is rated at 10-30V DC, and the filter regulates the temperature with PID control to ±0.5°C (±0.05Å). Outside that voltage range the indicator turns red and the display shows LOBAT (below 10VDC) or HIGHV (above 30VDC).
The genuine Daystar Quantum Power Supply delivers the consistent power needed for the filter's internal heaters to work correctly.
OEM Replacement: Guaranteed Compatibility and Safe Operation
Whether you have lost your original power supply or require a spare for field use, this unit is the original equipment manufacturer (OEM) replacement. It guarantees perfect electronic compatibility with your Quantum filter's sensitive internal components. The Quantum is fully operational with reverse polarity and has overvoltage, overcurrent and overtemperature protection.
By using the official Daystar supply, you eliminate any risk of electrical incompatibility. Alligator clips and a cigarette lighter cord (not included) are also power options for the Quantum.
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Can I power my Daystar Quantum filter from another source?
Yes. The Quantum operates on 12VDC through a standard 2.1mm x 5.5mm connector and its heater can operate on 10-30VDC, so a 12VDC cigarette lighter or alligator clip cord can also be used. The Daystar Quantum Power Supply is the 100-240VAC converter for mains power.
Is this the correct power supply for all Daystar Quantum filters?
Yes, this power supply is the standard, manufacturer-specified unit for the Daystar Quantum series of solar filters (both SE and PE grades). It is the correct replacement for the power supply originally included with your filter.
I lost the original power supply for my Quantum SE filter. Is this the right replacement?
Yes, this is the official and correct replacement power supply for all Quantum SE and PE grade filters. It ensures safe operation and maintains the filter's thermal stability for optimal performance.
How do I know if my old Daystar Quantum Power Supply is failing?
A red indicator means "fault, low battery or high voltage", and the display shows DEADB below 8VDC or LOBAT below 10VDC. A DEADB or LOBAT code while running on this supply points to the supply.
Does the Daystar Quantum Power Supply work with other Daystar products like the Quark?
No, this power supply is specifically for the Daystar Quantum series. The Daystar Quark series is powered via a USB connection and uses a different power standard. You must use the correct power source for each product to ensure safety and proper function.
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| Compatibility |
Daystar Quantum Series Solar Filters (SE and PE Grades) |
| Product Type |
OEM Replacement Power Supply |
| Input power |
100-240V AC, 50-60Hz |
| Outputs / ports |
12V DC |
| Connector |
5.5x2.1mm DC plug |
| Cable length |
1.83 m |
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Daystar Quantum Power Supply
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- Daystar Filters Warranty
