TESTRO ELECTRONICS LLC
TESTRO ELECTRONICS LLC
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A pre-owned Agilent E8251A combines 0.01 Hz synthesized accuracy with up to +20 dBm output across 250 kHz–20 GHz, giving R&D and production benches a single-box source for low-noise local oscillators, PA compression, receiver sensitivity and EMC immunity work. Typical phase noise of –110 dBc/Hz keeps mixers honest, while the 110 dB electronic step attenuator (Opt 1E1) delivers a calibrated –110 dBm floor without external pads. Built-in AM/FM/PM plus digital list and step sweeps speed device characterisation, and SCPI/LAN control drops straight into automated test code.
Refurbished units ship ISO-17025-calibrated with current firmware, trimming capital cost and lead-time yet preserving Keysight reliability and future option paths.
Interested in an Agilent E8251A or a similar model?
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Looking for other models? Our inventory changes daily—ask for the latest list of spectrum analyzers and RF equipment.
Laboratory-Verified Performance
Every unit ships with an ISO/IEC 17025 calibration certificate bearing the TESTRO Certified seal, so you know the specifications are not just claimed—they’re proven.
Total Transparency
High-resolution teardown photos and a live video test session let you inspect seals, modules, and real-time performance metrics before you pay.
Real Warranty, Real People
One-year machine warranty, with our engineering team standing by on business days to provide remote assistance for any software or hardware issues.
Global Delivery, Built-In Protection
DHL lanes—arriving at most destinations in just 3–5 days.
Flexible, Modern Payments
Choose traditional T/T or wire transfer, credit card.
Open-Door Assurance
Visit our Shenzhen facility, walk the refurbishment line, and see your equipment on the bench before it leaves our dock.