PULSE TUBE
Absolut System has a long term expertise and recognized competencies in Pulse-Tube development in Europe.
Several developments are on-going and cover a large range of application temperatures. For specific requests, please contact us.
One of our products developed in collaboration with Thales Cryogenics BV and has now reached TRL 6:
The LPT6510 is a cost effective compact integral pulse-tube cryocooler targeting a wide range of applications from 60 to 150K with one design only. The product was previously shown as an engineering demonstrator model based on the Thales MPTC compressor and the Absolut System SSC80 pulse-tube.
The potential need for a compact cryocooler for 60-150 K earth observation applications has long been recognized, and has resulted in several European developments towards such a product.
LPT 6510 Datasheet
| Parameter | Typical Cooler Data |
|---|---|
| Manufacturer | Thales Cryogenics B.V. in partnership with Absolut System |
| Model | LPT6510 |
| Code number | 9556 417 00263 |
| Maximum cooling power | 3.2 W @ 100 K @ 293 K |
| Maximum input power | 65 W |
| Parameter | Typical Cooler Data |
|---|---|
| Operating frequency | 51.5 Hz |
| Induced vibrations | Max: < 2 N RMS without vibration control Typical: <1 N RMS in-axis without vibration control Typical: <0.1 N RMS per harmonic off-axis |
| Parameter | Typical Cooler Data |
|---|---|
| Space envelope | 250x187x77 mm (Integral version, including heat sink) |
| Mass | <3.2 kg |
| Helium leak rate | <1 x 10-9 Pa.m3/s |
| Parameter | Typical Cooler Data |
|---|---|
| Design life | 10 years |
| Parameter | Typical Cooler Data |
|---|---|
| Radiated emissions | MIL-STD-461G, RE101-1 Army application limit line |
| Parameter | Typical Cooler Data |
|---|---|
| Quasi-static load | 25 g |
| Random Vibrations |  Envelope spectrum encompassing GEVS qualification level and typical ESA level – 15.5 G RMS |
| Sine Vibration | 2-25 Hz: 10 mm 25-100 Hz: 25 g Qualification test sweep at 2 octaves/minute |
| Shock | Half-sine shock of 1000g, 0.5 ms |
| Operating temperature | -30 ̊C to + 50 ̊C |
| Non-Operating temperature | -40 ̊C to + 71 ̊C |
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