*Photo shows the Stokes Microvac series, not necessarily this exact model. Image: Edwards
- Motor power
- 7.7 kW
- Noise level
- 85 dB(A)
- Ultimate pressure
- 0.033 mbar
Headline ratings converted to common units for comparison; the table below shows each figure exactly as published.
Technical data
Source: Edwards product page · retrieved 2026-10-04| As published | 50 Hz | 60 Hz | 50/60 Hz | as printed: "Ultimate vacuum"; <2.5x10 -2 Torr |
|---|---|---|---|---|
| Motor power | ||||
| Noise level | ||||
| Ultimate pressure |
Original extracted values are shown with their source and review status. Multiple values under the same condition remain separate for review.
Reviewed operating performance · 60 Hz
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Documents
- stokes microvac rotary piston pumpsbrochure · 8 pp
Documents open on the manufacturer’s site.
Not on file yet
- MissingEdwards's parts drawing (exploded view) for the 612 J
- MissingA parts list for the 612 J
We don’t have these from Edwards yet. A specialist can still help you find the right part for the 612 J.