USED TEST EQUIPMENT — PURCHASE AND RECEIPT RECORD Use one copy per actual serial-numbered unit. Complete requirements before comparing offers; record pass/fail/unresolved and evidence during receipt checks. Task / signal / range / units: Required tolerance or uncertainty / source: Simultaneous channels / sampling / duration: Host OS / software / interface / required command: Model / serial / firmware / installed licensed options: Seller / quotation date / return deadline / warranty: Actual-unit photos reviewed / known repairs or faults: Included probes, leads, sensors, cables and manuals: Calibration date / laboratory / report / covered ranges: Measurement uncertainty / excluded functions / adjustments: Cost: unit + missing accessories + shipping + calibration + tax = Unresolved repair allowance (assumption): Illustrative only: A = 420 + 110 + 35 + 180 = USD 745; B = 650 + 25 = USD 675; difference USD 70. Replace all prices with your quotations. Receipt checks (follow exact equipment manual; qualified inspection for questionable condition): 1. Serial and accessories match order — result / evidence: 2. Packaging, case, connectors, leads and protective parts — result: 3. Manufacturer warm-up and self-test — result / error log: 4. Required channels/functions and probe compensation — result: 5. Representative acquisition/control/export — result / saved file: 6. Requirements met / calibration still required / return action: Do not defeat protective earth. Basic function checks do not establish full calibration or electrical safety. Yenra | Updated September 10, 2026 Article and explanation: https://yenra.com/used-test-equipment/ Source references (use exact equipment/material documents for actual work): https://www.nist.gov/metrology/metrological-traceability https://www.keysight.com/used/us/en/ https://www.tek.com/en/documents/primer/setting-and-using-oscilloscope https://www.tek.com/en/documents/whitepaper/abcs-probes-primer