Data coverage & sources
The stored record for ULVAC DTU-20D: specifications, configurations, documents, sources, and gaps.
One model, connected records
ULVAC → ULVAC DAU Series → DTU-20D
Manufacturer model: DTU-20D · OEM article / order number: Not collected · Equipment type: vacuum pump
Technology: Diaphragm
Compare coverage across this familySpecifications and evidence
7 stored observations · 4 pass the source policy at 50 Hz. Individual ratings do not establish flow at a requested pressure.
The collection checklist follows the equipment type. Additional attributes are retained. “Not collected” means the database has no observation for that field.
Pumping speed · Sourced · 2 observations / 1 sources
Ultimate pressure · Sourced · 1 observations / 1 sources
| As published | Normalized | Configuration / scope | Source / status |
|---|---|---|---|
| 200 Pa | 2 mbar | Frequency not stated · model Conditions not stated unspecified | Source · OEM_SOURCEUltimate pressure: 200Retrieved 2026-10-03 |
Motor power · Sourced · 1 observations / 1 sources
| As published | Normalized | Configuration / scope | Source / status |
|---|---|---|---|
| 80 W | 0.08 kW | Frequency not stated · series as printed: "Motor"; one cell shared by several models unspecified | Source · OEM_SOURCESingle phase, 220V, 80W, 4P, Capacitor runRetrieved 2026-10-20 |
Speed · Not collected · 0 observations / 0 sources
No stored observation. A family brochure or a separate maximum rating does not fill this field.
Noise level · Not collected · 0 observations / 0 sources
No stored observation. A family brochure or a separate maximum rating does not fill this field.
Weight · Sourced · 1 observations / 1 sources
| As published | Normalized | Configuration / scope | Source / status |
|---|---|---|---|
| 7.5 kg | 7.5 kg | Frequency not stated · model Conditions not stated unspecified | Source · OEM_SOURCEWeight: 7.5Retrieved 2026-10-03 |
Dimensions · Not collected · 0 observations / 0 sources
No stored observation. A family brochure or a separate maximum rating does not fill this field.
Inlet connection · Not collected · 0 observations / 0 sources
No stored observation. A family brochure or a separate maximum rating does not fill this field.
Outlet connection · Not collected · 0 observations / 0 sources
No stored observation. A family brochure or a separate maximum rating does not fill this field.
Full load current · Needs review · 2 observations / 1 sources · classification pending
Operating-performance coverage
Each row keeps its own configuration and relationship. Pending points are stored for review and excluded from shopper comparisons.
No versioned performance dataset has been collected for this model. Stored legacy points: 0; each retains its existing evidence status.
Document coverage
Categories follow recorded document types and linked extracted data. One document can appear in several categories. Family documents remain shared references; extraction does not imply approval.
| Category | Model links | Family links | Public sources |
|---|---|---|---|
| Specifications | 1 | 0 |
|
| Performance curves / test data | 0 | 0 | Not collected |
| Operation / service manuals | 0 | 0 | Not collected |
| Parts documentation | 0 | 0 | Not collected |
| Drawings / dimensions | 0 | 0 | Not collected |
| Product / family literature | 0 | 0 | Not collected |
| Other / unclassified | 0 | 0 | Not collected |