TESTRO ELECTRONICS LLC
| Payment Terms | L/C,D/A,D/P,T/T,Western Union,Western Union,T/T,MoneyGram |
| Delivery Time | 3-5 days |
| New / Used | Used |
| Frequency Range | 10 MHz – 18 GHz |
| Dynamic Power Range | 0 dBm – +44 dBm (1 mW – 25 W) |
| Sensing Element & SWR | True-RMS thermocouple with low-mismatch SWR for < 1 % linearity |
| Connector Type | Type-N (male), 50 Ω precision coax |
| Meter Compatibility | HP 435/436/437/438, EPM/EPM-P & P-Series power meters |
| Brand Name | Keysight/Agilent/HP |
| Model Number | Keysight/Agilent 8481B |
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Product Specification
| Payment Terms | L/C,D/A,D/P,T/T,Western Union,Western Union,T/T,MoneyGram | Delivery Time | 3-5 days |
| New / Used | Used | Frequency Range | 10 MHz – 18 GHz |
| Dynamic Power Range | 0 dBm – +44 dBm (1 mW – 25 W) | Sensing Element & SWR | True-RMS thermocouple with low-mismatch SWR for < 1 % linearity |
| Connector Type | Type-N (male), 50 Ω precision coax | Meter Compatibility | HP 435/436/437/438, EPM/EPM-P & P-Series power meters |
| Brand Name | Keysight/Agilent/HP | Model Number | Keysight/Agilent 8481B |
| High Light | rf power sensor 8481b ，high power thermocouple power sensor ，8481b thermocouple power sensor | ||
The Agilent 8481B lets you measure average RF power from 10 MHz to 18 GHz at levels up to +44 dBm, making a single probe sufficient for kW radar drivers, high-power amplifiers and Ku-band links. Its thermocouple architecture delivers true-RMS readings on any modulation without range-switch glitches, while the built-in Type-N attenuator chain and excellent SWR keep mismatch uncertainty low. EEPROM-less operation still plugs straight into modern Keysight EPM, EPM-P and P-Series meters as well as legacy 43x frames, preserving existing test code and accessories. Refurbished units ship ISO-17025-calibrated, providing Keysight accuracy, 25-W headroom and long-term serviceability at a fraction of new-sensor cost.
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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.
Company Details
Business Type:
Distributor/Wholesaler,Agent,Exporter
Year Established:
2017
Total Annual:
2,000,000-3,000,000
Employee Number:
30~50
Ecer Certification：
Verified Supplier
Founded in 2017 and headquartered in Shenzhen, TESTRO Electronics LLC focuses on the secondary sale and flexible rental of high-end electronic test instruments. The team counts 30 employees and operates a 1,500 m² warehouse and inspection center in Qianhai, Shenzhen. ... Founded in 2017 and headquartered in Shenzhen, TESTRO Electronics LLC focuses on the secondary sale and flexible rental of high-end electronic test instruments. The team counts 30 employees and operates a 1,500 m² warehouse and inspection center in Qianhai, Shenzhen. ...
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