If your organization depends on high-speed optical transceivers, CWDM/DWDM modules, or passive photonic components, the Anritsu MS9740A Optical Spectrum Analyzer (OSA) is likely a cornerstone of your production or R&D environment. With fast sweep speeds, superior wavelength accuracy, and integrated measurement applications, it’s one of the most widely adopted OSAs in the industry.
At Aumictech, we offer expert repair, NIST-traceable calibration, firmware support, refurbishment, and component-level diagnostics for the MS9740A series and similar models.
🌟 Anritsu MS9740A at a Glance
The MS9740A is a compact, high-performance benchtop OSA used extensively in optical device characterization, manufacturing quality control, and telecom signal monitoring. It supports automated testing and is often integrated into large-scale test stations.
📊 Key Specifications:
| Feature | Details |
|---|---|
| Wavelength Range | 600 – 1750 nm |
| Wavelength Accuracy | ±0.03 nm |
| Resolution Bandwidth (RBW) | 0.03 nm to 2 nm |
| Dynamic Range | > 60 dB (typical) |
| Sweep Time | < 0.2 sec (full span) |
| Input Connector | FC/PC or FC/APC |
| Display | 8.4″ TFT color LCD with touch |
| Interfaces | USB, Ethernet, GPIB, VGA, RS-232 |
The MS9740A excels in fast throughput environments, making it ideal for testing 100G/400G optics, optical amplifiers, tunable lasers, and DWDM modules.
🧰 Real-World Applications
✅ Transceiver Manufacturing
- Insertion loss and channel alignment for 10G, 25G, 100G optics
- Eye mask testing and pass/fail analysis
✅ DWDM System Testing
- Channel center wavelength validation
- Adjacent channel isolation and crosstalk detection
✅ Laser and LED Module Characterization
- Spectral linewidth, side mode suppression ratio (SMSR)
- ASE noise and coherence validation
✅ Passive Component Testing
- Gratings, splitters, mux/demux, filters
- Custom automated test sequences via GPIB or TCP/IP
⚠️ Common Failures in Anritsu MS9740A Units
Despite their rugged build and reputation for accuracy, MS9740A units often require repair after years of continuous use, factory exposure, or transportation.
🔧 Optical and Electrical Failures:
- Internal grating misalignment
- Wavelength reference source drift
- Detector sensitivity drop
- Input connector (FC/APC) damage or fiber guide wear
- Burned-out internal LEDs or touch panel malfunctions
🖥️ UI and Firmware Issues:
- Boot failure or touchscreen not responding
- Frozen display or corrupted sweep mode
- Firmware incompatibility with external automation scripts
🌀 Mechanical:
- Cooling fan degradation
- Power supply board failure
- Noise artifacts due to ESD or internal dust contamination
At Aumictech, we address all of the above with factory-grade tools, cleanroom optics procedures, and OEM-equivalent parts.
🧪 NIST-Traceable Calibration – Accuracy You Can Trust
Even a ±0.1 nm drift in optical test equipment can result in massive financial losses in high-precision manufacturing. That’s why our lab offers certified optical calibration for the MS9740A.
🧬 What We Calibrate:
- Wavelength accuracy (600–1750 nm range)
- Power level linearity
- Dynamic range performance
- RBW measurement accuracy
- Internal sweep and peak hold verification
Our PDF calibration report includes detailed before-and-after performance charts, test conditions, and NIST-traceability documentation, perfect for internal quality audits or ISO certification.
🔁 Refurbishment Services for MS9740A
Don’t retire your unit just because the screen is fading or a connector is cracked. Aumictech offers end-to-end refurbishment that brings your OSA back to life:
- LCD screen replacement (full-color OEM match)
- Input port realignment and polish
- Firmware reinstallation and updates
- Cosmetic repair of chassis, rubber feet, and buttons
- Connector head cleaning and retermination
Our optics experts perform delicate handling inside the MS9740A using antistatic and vibration-controlled workbenches.
⚙️ Comparison – MS9740A vs. Yokogawa AQ6370D vs. Keysight 86142B
| Feature | MS9740A | AQ6370D (Yokogawa) | 86142B (Agilent/HP) |
|---|---|---|---|
| Max Wavelength | 1750 nm | 1700 nm | 1700 nm |
| Sweep Speed | <0.2 sec | Moderate | Slow |
| Interface | GPIB, LAN, USB | LAN, GPIB | GPIB, RS-232 |
| Display | Touch LCD | Standard LCD | VGA External |
| Resolution | 0.03 nm | 0.02 nm | 0.06 nm |
| Repairability | High | High | Moderate |
| Automation Support | Excellent | Good | Legacy only |
MS9740A is the ideal option for high-speed automated test environments, while Aumictech ensures you never lose productivity due to downtime.
📦 Turnaround & Shipping
- 🕐 Turnaround: 5–7 business days standard, 2–3 days expedited
- 🔍 Free diagnostics with service report
- 🚚 Nationwide & global shipping with tracking
- 📄 Full documentation, calibration certs, and test results included
- ✅ Return on Repair (RoR): 15 days, extendable warranty options
💼 Who We Serve
- Fiber optics manufacturers
- Telecom OEM test stations
- Optical transceiver developers
- Photonics research universities
- Contract manufacturers in Asia/EU/US
- Satellite & LIDAR testing facilities
🏆 Why Choose Aumictech for Anritsu MS9740A Services?
- ✅ Over 10 years of experience with Anritsu, HP, Keysight, and Yokogawa OSAs
- ✅ Precision optics cleanroom for internal repair
- ✅ Full electrical diagnostics and firmware support
- ✅ Transparent pricing and flat-rate repair plans
- ✅ Local support from Downingtown, PA
- ✅ Pickup/delivery options for volume clients
“From FC connector repair to full wavelength alignment, Aumictech gets your MS9740A back into service with minimal downtime.”
❓ FAQ – Anritsu MS9740A Repair and Calibration
Q: Do you support older MS9710B or MS9710C models?
A: Yes! We provide full repair and calibration for Anritsu’s legacy OSAs including MS9710B/C, MS9711, and MS9712.
Q: Can I get a trade-in value for my damaged unit?
A: We offer trade-in discounts and buyback programs. Contact us with serial number and condition for a quote.
Q: Do you clean the optics during calibration?
A: Absolutely. We inspect, clean, and polish the internal optics using certified cleanroom techniques.
📞 Contact Aumictech Today
Got a faulty MS9740A or overdue for calibration? Trust the experts at Aumictech for fast, affordable, and professional optical equipment servicing.
📍 Address: Downingtown, PA
🌐 Website: www.aumictech.com
📧 Email: sales@aumictech.com
💬 Live Support Available
📦 U.S. and International Shipping Supported
Don’t let a misaligned grating or bad connector delay production. Call Aumictech and keep your optical line moving.
