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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 |
Specifications
| 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
