Professional repair and replacement services for Leybold INFICON helium leak detector preamplifiers. Compatible with all Leybold series, INFICON series, Pfeiffer HLT series, Linxun series, and KYKY ZQJ300 equipment. Features high sensitivity (10Hz-100kHz frequency response) and adjustable gain (20dB-60dB), ideal for semiconductor, vacuum technology, and other high-precision leak detection applications.

This article details the technical specifications, working principles, core advantages, and industry applications of Leybold INFICON helium leak detector preamplifier replacement products. It provides OEM-level performance alternative solutions and answers 10 common technical questions.

Leybold INFICON Helium Leak Detector Preamplifier Repair & Replacement

1. Technical Specifications

2. Working Principle

Utilizes low-noise operational amplifier architecture with a three-stage signal amplification circuit to precisely amplify weak helium ion currents. Features automatic drift compensation to maintain ±0.1dB gain stability during prolonged continuous operation.

3. Product Features

✅ Wide Frequency Response: 10Hz-100kHz covers all helium mass spectrometer leak detection bands
✅ Smart Gain Adjustment: Digitally adjustable 20dB-60dB gain to meet different sensitivity requirements
✅ Military-grade Components: MTBF >50,000 hours, failure rate <0.1%
✅ Plug-and-Play Design: Fully compatible with original equipment interface standards
✅ Temperature Adaptive: Stable operation in -20℃~+60℃ range

4. Applications

Semiconductor Manufacturing: Helium leak rate detection in wafer fabs

Vacuum Systems: Spacecraft sealing tests

Research Labs: Vacuum monitoring in particle accelerators

Industrial Testing: Refrigerant leak location in cooling systems

Energy Sector: Pipeline sealing tests in nuclear power plants

5. Compatible Equipment Models

Leybold: PHOENIX L300i, UL500, etc.

INFICON: ELT3000, H5000, etc.

Pfeiffer: HLT260/560 series

Linxun: LX-800/1200 series

KYKY: ZQJ300/ZQJ500

6. Success Case

In 2023, replaced 32 INFICON ELT3000 preamplifiers for a semiconductor fab, achieving zero failures over 18 months of continuous operation, helping the client save 60% on maintenance costs.

7. Frequently Asked Questions (FAQ)

1. How does performance compare to OEM parts?

Key parameters fully match OEM specifications, with some indicators (like temperature drift coefficient) exceeding original designs.

2. Does installation require professionals?

Plug-and-play design allows users to complete replacement following the manual (includes video tutorial).

3. Are special tools needed for gain adjustment?

Standard USB debugging interface allows digital adjustment via included software.

4. Is it stable in high EMI environments?

Features dual-layer EMI shielding, certified to IEC61000-4-3 standards.

5. What's the minimum detectable signal strength?

Can detect 0.1pA level ion currents at 60dB gain.

6. Does it support legacy equipment upgrades?

Adapter board solutions available for all mainstream models since 1995.

7. What's the warranty period?

Standard 3-year warranty, extendable to 5 years.

8. How to determine if replacement is needed?

Consider replacement when baseline noise exceeds 5mV or gain drift exceeds 3dB.

9. Are bulk purchase discounts available?

15% discount for orders of 10+ units, with OEM customization options.

10. What's the emergency response time?

48-hour expedited service available, with 4-hour on-site response in Beijing/Shanghai/Guangzhou/Shenzhen.

Conclusion

This preamplifier solution has been successfully implemented by leading clients including SMIC and Chinese Academy of Sciences, with over 1,500 units shipped. Free technical consultation and sample testing available - contact us for the latest white paper.

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