California Instruments AST2253 Power Supply Repair and Calibration

$245.00

🛡️ 90-Day Warranty ✓ Fee Credited to Repair ⚡ No Forms Needed

Authorized California Instruments AST2253 repair, calibration, and restoration services. Our repair process covers diagnostics through final ripple and noise verification.

Helpful Resources

📋 How It Works

Submit Request – Pay evaluation fee & provide equipment details
Ship to Us – Send your equipment to our Oregon facility
We Evaluate – Detailed diagnosis & repair estimate
Fee Credited – Your evaluation fee applies to repair cost
We Repair – Professional repair with 90-day warranty

🔧 Fast Turnaround: Most repairs are completed within 1–3 business days.
📏 Precision Calibration: NIST-traceable calibrations included for most repairs.
🛡️ Warranty: 90-day warranty on all repairs.
📝 Transparency: Detailed evaluation and repair estimate before work begins.

✓ Evaluation Fee Credited Toward Repair

This evaluation fee is applied as credit toward your final repair cost. After we evaluate your equipment, you'll receive a detailed estimate before any repair work begins.

Description

California Instruments AST2253 Power Supply Repair and Calibration

The California Instruments AST2253 Power Supply is a programmable power supply – it holds a commanded voltage or current under whatever load the device under test presents, and switches between constant-voltage and constant-current regulation as that load changes. The output stage does the work, and it is where the heat and the wear concentrate.

The California Instruments AST2253 Power Supply is repaired at June Company by technicians who work on this class of instrument daily, for test engineers, production test departments, R&D laboratories, and equipment manufacturers. Every instrument is repaired at component level and verified against reference standards before it ships back, with the measured results documented.

Common California Instruments AST2253 Power Supply problems we fix

Display, keypad or front-panel faults.
Output voltage or current out of tolerance under load – a supply can read correct on its own display while delivering something else to the load – readback and actual output are separate circuits and they drift separately.
Will not regulate, or oscillates between CV and CC.
Excessive ripple or noise on the output – invisible on the front panel and capable of corrupting whatever is being powered.
Output stage or pass-element failure.
Current limit not holding at the set value.
Output relay not switching.
Cooling fan or thermal shutdown.
Internal power supply faults.
GPIB, LAN, USB or remote-control faults – which breaks automated test sequences while the instrument still works from the front panel.

FAQs

Are the measurements verified after repair? Yes, against reference standards, with the measured results documented and returned with the instrument.

The display shows the right voltage but my circuit sees something else. How? Readback and actual output are separate circuits. A supply can report correctly while delivering incorrectly, which is why we verify the output under load rather than trusting the panel.

Every repair carries a 90-day parts-and-labor warranty, with a firm quote before any work begins. Email us or submit a service request.

Brand

California Instruments Repair

California Instruments, specializes in providing programmable AC power sources and AC/DC power supplies. These products are known for their precision, reliability, and versatility, and they cater to a wide range of applications, including testing and simulation of electrical and electronic products. Here is an overview of California Instruments' products and their functionalities: 1. Programmable AC Power Sources California Instruments offers a variety of programmable AC power sources that are designed to simulate and provide precise AC power for testing purposes. iX Series Features: High-performance AC power sources with advanced features such as arbitrary waveform generation, harmonic analysis, and measurement capabilities. Applications: Ideal for applications requiring precise control of AC voltage and frequency, such as testing household appliances, avionics, and telecommunications equipment. MX Series Features: High-power AC and DC power sources with advanced measurement and analysis capabilities. These units can generate complex waveforms and provide high output power. Applications: Suitable for high-power applications such as testing electric vehicles, renewable energy systems, and industrial equipment. LS Series Features: Cost-effective AC power sources with basic functionality, including programmable voltage and frequency. Applications: Used in general-purpose testing and simulation environments where basic AC power is required. 2. AC/DC Power Supplies California Instruments also provides a range of AC/DC power supplies designed for a variety of applications requiring both AC and DC power. CS Series Features: Compact and versatile AC/DC power supplies that offer both AC and DC outputs. These units can operate in both modes, providing flexibility for different testing scenarios. Applications: Used in applications such as product development, automated test equipment (ATE), and quality assurance testing. 3. Harmonic and Flicker Analyzers California Instruments offers advanced harmonic and flicker analyzers designed to measure and analyze power quality issues. HFA Series Features: High-precision analyzers capable of measuring harmonics, interharmonics, flicker, and other power quality parameters. Applications: Ideal for compliance testing according to international standards such as IEC 61000-3-2 and IEC 61000-3-3, which are relevant for electrical and electronic product manufacturers. 4. Power Conditioning Equipment California Instruments provides power conditioning equipment to ensure stable and clean power for sensitive equipment. APM Series Features: Power conditioning units designed to regulate and stabilize the output voltage and frequency. These units can protect sensitive equipment from voltage fluctuations and power disturbances. Applications: Used in environments where stable and reliable power is critical, such as laboratories, manufacturing plants, and medical facilities.