Pfeiffer TMH 261-250-040 - REBUILT
$6,060
In stock
SKU
REBUILT_TMH261-250-040
| Weight | 20 lbs |
|---|---|
| Pumping Speed | 180-220 l/s |
| Ultimate Pressure | 1 x 10-10 mbar |
Pfeiffer Vacuum TMH 261-250-040 SplitFlow Turbomolecular Pump - REBUILT
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| Flange (in) | |
| High vacuum connection "H" | 80 x 120 mm |
| Intermediate stage "H1" | 65 x 120 mm |
| Intermediate stage "H2" | 10.5 x 120 mm |
| Flange (out) | DN 16 ISO-KF |
| Rotation speed ± 2 % | 1,000 Hz 60,000 rpm / 60,000 min-1 |
| Standby rotation speed | 667 Hz 40,000 rpm / 40,000 min-1 |
| Run-up time | 3 min |
| Pumping speed | |
| N2 at "H" | 290 l/s |
| He at "H" | 310 l/s |
| N2 at "H1" | 210 l/s |
| He at "H1" | 210 l/s |
| N2 at "H2" | 20 l/s |
| He at "H2" | 20 l/s |
| Compression ratio | |
| N2 (H1/H) | > 1 x 105 |
| He (H1/H) | 3 x 102 |
| N2 (H2/H1) | 6 x 104 |
| He (H2/H1) | 2 x 102 |
| Gas throughput at full rotational speed | |
| N2 at "H1" | 7 hPa l/s |
| He at "H1" | 9 hPa l/s |
| N2 at "H2" | 8.4 hPa l/s |
| He at "H2" | 9 hPa l/s |
| Fore-vacuum max. for N2 gas load zero at "VV" | 10 hPa |
| Fore-vacuum max. for He gas load zero at "VV" | 8 hPa |
| Weight | 13 kg / 29 lbs |
| Type | Label | Description | Download |
|---|---|---|---|
|
Pfeiffer SplitFlow 310 - REBUILT | Operating Instructions | Download |
Need modifications to this item? PTB Sales' expert team of engineers can configure products to your specific needs.
Pfeiffer Vacuum TMH 261-250-040 SplitFlow Turbomolecular Pump - REBUILT PMP03626 / PM P03 626
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