Evidence to request against the exact proposed model
Each row is a document or a statement the proposed supplier should tie to one model and one configuration. A family brochure can frame the question. It does not replace the row.
| Topic |
What to ask |
Bound to |
Who answers |
| Airflow and vacuum |
Value, unit, hose or orifice, and motor speed |
Quoted model number |
Proposed supplier |
| Drawing |
Footprint, inlet height, and service access |
Revision named in the offer |
Proposed supplier |
| Test record |
Noise level method and filtration class of the shipped cartridge |
Same serial family as the offer |
Proposed supplier, with the lab named |
| Certificate |
Which mark, which standard, and which enclosure it covers |
Exact model, not the brand line |
Issuer named by the supplier |
| Batch or serial |
How the machine on the packing list maps to the test |
This purchase order |
Proposed supplier at shipment |
A factory acceptance test, when you want one, should list the checks: insulation, airflow at the agreed hose, and a function pass of the control interface. If the supplier does not offer that visit, write the gap. Do not convert a video of a different machine into acceptance of yours. A repeatable reading uses a named hose inside diameter, a clean filter, the voltage on the nameplate, and a microphone distance such as 1.0 m. Record decibels, cubic metres per hour, and who signed the sheet. Missing any of those four items means the row stays open.
Standard configuration versus an application-specific tool is the commercial dispute on a for-sale offer. The standard crate can shorten the document set when 120 V or 230 V and the floor-tool width already match the aisle. A longer wand, a conductive hose, or a different wheel is reasonable when the debris or the doorway demands it, and it belongs on its own price line. Comparing those two scopes as if they were one machine hides the specification deviation. The offer sheet should repeat hose 38 mm or 50 mm, tank 40 L or 80 L, airflow 180 or 400 m3/h at a named orifice, vacuum 20 or 30 kPa, noise level 68 or 74 dB(A) at 1.0 m, rated power 1.2 or 2.2 kW, duty cycle for an 8 hour shift, input voltage 120 V or 230 V at 60 Hz, ingress protection if claimed, and service access of at least 600 mm at the filter door. Delivered cost then includes the crate, the Incoterm, consumables, and the spare parts list, while throughput, working envelope, commissioning scope, and repeatability stay open.
Electrical and mechanical safety marks, when they apply, are evidence to request. They are not credentials of this desk. UL, ETL, or a filtration statement stays with the model the supplier names. If the mark is absent, the brief should say the buyer still needs a qualified review before installation.
Start from the inquiry labels if the team is still choosing a name. The Buyer Checklist is the place to settle noise and commercial posture. Send the package from the contact page, or read the procurement brief for the same field order.