Edwards · RV
Edwards RV8 — rotary vane, 6 m³/h
Original title: Termo Isq Ec Simple Quad Espectrómetro de Masas Ms W/ Edwards RV8 Bomba de Vacío
📍 USA
🔴 Check carefully
Suitable for WAVE101/FD260 but pump is integrated into mass spectrometer; extraction uncertain.
Condition from photo
Exterior clean, mounted in spectrometer enclosure. No visible oil leaks or damage. Hoses intact.
Likely refurb / add-ons
- Pump extraction labour (€150–300)
- New oil + filter service (€110)
- Soft-starter or VFD (€280–400)
Watch out for
- Pump is integrated into mass spectrometer; removal may damage spectrometer or vo
- No standalone pump documentation visible; Edwards RV8 specs inferred from family
- Spectrometer is for research use only; unclear if pump can be safely extracted.
WAVE AI estimate from photo + specs only — not a substitute for our physical pre-purchase check.
Specifications
- Type
- Oil-sealed rotary vane
- Pumping speed
- ~6 m³/h
- Water-vapour tolerance
- ~50 g/h
- Ultimate vacuum
- ≤ 0.001 mbar
- Year
- 2020 (per nameplate)
- Source
- eBay
- Listing #
- eBay #147328355400
- Last verified
- Jul 5, 2026
Fits WAVE machines: WAVE101, FD260
Price history— Edwards RV
Median €1.417 · 850 observations · €135–€162.750
Type plate (AI reading)
- Exact model
- ISQ EC
- Serial
- ISQEC2012009
- Year (plate)
- 2020
- Instrument
- ISQ EC — Mass Spectrometer
- Serial Number
- ISQEC2012009
- Designed in
- USA
- Assembled in
- Singapore
- Manufacturer
- Thermo Scientific
- Address
- 2215 Grand Avenue Parkway, Austin, TX 78728 USA
- Use
- For Research Use Only. Not for use in diagnostic procedures.
- Date Code
- 2020-12-21
Auto-extracted from one of the listing photos. Verify on the real unit before purchase.
What to look for on this family
Two-stage oil-sealed rotary vane with gas-ballast. Check oil colour through sight glass (clear amber = healthy, milky = water contamination) and that the gas-ballast knob turns freely.
Manufacturer datasheet — Edwards RV
- Bauart
- Zweistufige ölgedichtete Drehschieberpumpe
- Saugvermögen (50 Hz)
- 3.3 / 6.2 / 9.0 / 14.4 m³/h (RV3 / 5 / 8 / 12)
- Enddruck (ohne Gasballast)
- ≤ 1.5 × 10⁻³ mbar
- Enddruck (mit Gasballast)
- ≤ 5 × 10⁻² mbar
- Wasserdampfverträglichkeit
- skaliert mit Pumpgröße
- Motorleistung
- 0.25 – 0.55 kW
- Ölsorte
- Edwards Ultragrade 19/20
- Ölfüllung
- 0.4 – 1.0 l
- Hersteller
- Edwards Vacuum
Curated from the manufacturer's official datasheet for this family / model. The specific pump may vary slightly by variant.