Transductive Science / Field Research / 08 Nov 2026
Scientific equipment
on the secondhand frontier.
Three Xianyu listings directly inspected through ADB on a Huawei Mate 30. These are asking prices, not completed sales. Condition descriptions are sellers’ claims, not independent tests.
| Instrument | Price (CNY) | Seller | Location | Claimed condition | Views | Interested |
|---|
| Ocean Optics USB2000+ | 1680 | 水族馆遛狗的附子 | 中山 | 371-1050 nm; 50 um slit; seller claims functional; shipping included | 794 | 41 |
| Rigol DS1054Z | 1350 | t***7 | 杭州 | seller claims barely used; upgraded to 100 MHz | 44 | 3 |
| Rigol DS1054Z | 1000 | 地球朴素的荷叶 | 南京 | seller claims functional; screen cracked; no probes or power cord | 71 | |
Read the experimental physics acquisition strategy →
Research relevance
The Ocean Optics USB2000+ can enable optical spectroscopy and closed-loop calibration studies. Rigol DS1054Z oscilloscopes can support sensor readout, resonator studies and instrument development.
Before acquisition
Confirm serial number, calibration, functional demonstration, included accessories, shipping and import costs. The ¥1,000 Rigol has a cracked display, lacks probes and power cable, and is advertised without returns. No sellers have been contacted and nothing has been purchased.
Download original observation register (CSV) · Machine-readable JSON · Permanent version-controlled research note