TESTRO ELECTRONICS LLC
TESTRO ELECTRONICS LLC
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The pre-owned Agilent E4419A integrates two high-speed average-power channels with a 1 ppm OCXO time base, delivering accurate measurements from 100 kHz to 110 GHz across a wide –70 dBm to +44 dBm span. Simultaneous dual-sensor operation halves setup time for gain, compression or VSWR checks, and real-time ratio/delta math eliminates spreadsheet post-processing. Up to 200 corrected readings per second keep production lines moving, while EEPROM autoloading of calibration factors from E- and 8480-series sensors reduces uncertainty and user error. GPIB and RS-232 interfaces plus SCPI syntax drop straight into legacy 438A code or modern ATE scripts. Refurbished units ship ISO-17025-calibrated with current firmware, giving you Keysight-grade accuracy, sensor backward-compatibility and long-term serviceability at a fraction of new-instrument cost.
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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.