Expose your hardware to the thermal and vacuum conditions it will face in orbit. Thermal cycling, TVAC, and thermal balance verified across your full operating range.
Thermal cycling and humidity testing operational on enveon climate chambers (180 / 600 / 1000 L).
TVAC chamber scheduling open — early-2026 slots being allocated.
From atmospheric thermal cycling on operational chambers to full thermal-vacuum campaigns — tailored to your mission environment.
Repeated exposure to the temperature extremes your hardware will see in orbit. Functional checks performed at hot and cold dwells. Available on operational climate chambers from 180 L to 1000 L volume.
Combined thermal and vacuum exposure simulating the on-orbit environment. Used for qualification and acceptance testing where convective cooling must be eliminated. CubeSat-sized chamber under commissioning —
Steady-state thermal verification under representative orbital flux conditions. Confirms thermal model predictions and validates thermal control hardware before committing to flight configuration.
Size-based setups keep chamber volume matched to the hardware. No oversized chambers, no wasted volume, and therefore no unnecessary thermal lag.
Thermal cycling is fully operational on enveon’s existing chambers — already testing electronics, sensors, and full CubeSat assemblies on a weekly basis.
TVAC is the latest addition. The chamber is sized for CubeSat-class hardware, with vacuum and thermal control matched to common orbital regimes (LEO SSO).
Both setups support functional testing during cycling — so you can detect anomalies as they happen, not after final delivery.
Applicable test levels and margins are confirmed in the test plan — directional standards below
European Cooperation for Space Standardization — testing standards including thermal vacuum, thermal cycling, and qualification/acceptance levels.
U.S. military standard for environmental test requirements for launch and space vehicles. Reference for thermal margins.
NASA General Environmental Verification Standard — used as reference for CubeSat-class thermal and qualification levels.
A non-exhaustive list of scenarios where TVAC or thermal cycling is the right move.
End-to-end thermal cycling of fully integrated 1U–16U platforms before flight delivery.
TVAC of telescopes, cameras, and IR sensors where outgassing or thermal distortion are flight-critical.
Thermal stress screening of power distribution units, OBC, and avionics boards.
Thermal cycling of antenna mechanisms, RF chains, and deployment hardware.
TVAC rarely sits alone in a qualification campaign — these are the test types most often paired with it.
Survive launch loads before you survive orbit.
Electromagnetic compatibility for the integration environment.
Verify behaviour after thermal exposure, not just structural integrity.
Bundle TVAC, vibration, and EMC into a single coordinated campaign.
Tell us your hardware size, your launch date, and the standards you need to meet. We’ll confirm slot availability and scope the campaign within days.
Thermal Vacuum (TVAC) testing exposes flight hardware to the combined thermal and vacuum environment it will face in orbit. Pressure is reduced below 10⁻⁶ mbar so convective cooling is eliminated — the hardware must dissipate heat purely by radiation, exactly as in space.
Temperatures are cycled across the operational range (typically −70 °C to +200 °C). The test verifies survival, behaviour, and thermal performance before the hardware is committed to flight.
Vacuum eliminates convection. That single change exposes failure modes invisible in atmospheric thermal cycling: outgassing of materials, thermal distortion of optics, contact resistance under load, failures of components that depend on convective cooling.
CubeSat hardware that passes ambient thermal cycling can still fail in orbit. TVAC is the only test that proves orbital thermal behaviour on the ground — and it’s the test most CubeSat startups can’t access locally in Europe today.
STREICHER S-CUBE TVAC+ 1000 — manufactured by STREICHER Advanced Vacuum GmbH (references: ESA, ITER, ELI Beamlines, GSI Helmholtz).
Ordered through enveon (Offer N012/26, 2026-03-20). Delivery August 2026. Commissioning slots are being allocated now for Q3 2026 → Q1 2027.
| Spec | Value |
|---|---|
| Inner test volume | 800 × 700 × 800 mm |
| Base pressure | < 10⁻⁶ mbar |
| Temperature range | −70 °C to +200 °C |
| Thermal system | JULABO W85 |
| Thermocouple channels | 24 × Type-T |
| Control | Siemens S7 PLC (real-time) |
| Default protocol | ECSS-E-ST-10-03C Rev.1 |
| Accreditation | ISO/IEC 17025 (via enveon) |
| Report turnaround | ≤ 10 business days (SLA) |
Hardware footprint: CubeSat 1U → 16U. Functional checks supported during hot and cold dwells.
Default: ECSS-E-ST-10-03C Rev.1 (European Cooperation for Space Standardization — testing).
Also referenced: MIL-STD-1540 (U.S. military environmental test requirements for space vehicles) and NASA GEVS (General Environmental Verification Standard, used for CubeSat-class thermal and qualification levels).
Mission-specific levels and margins are confirmed in the test plan before execution.
| Vector | Legacy labs | BSL TVAC |
|---|---|---|
| Lead time | 3–6 months queue | 2–4 weeks |
| Chamber size | 500 kg+ satellites | Native 1U–16U |
| Volume | 1–4 m diameter | 800 × 700 × 800 mm |
| Pricing | EUR 8–25k/day, opaque | Fixed quote |
| Booking | RFQ → tender → email | Online slot |
| Reporting | 4–8 weeks post-test | ≤ 10 days |
| Engineer access | Restricted windows | Direct, daily standups |
Yes — the waitlist is open. Chamber delivery is August 2026. Commissioning slots run Q3 2026 → Q1 2027, with 12 slots being allocated now on a first-come basis.
Send your hardware size, launch date, and applicable standards to anfrage@enveon.de or call +49 89 356479-38. We confirm waitlist position and scope the campaign within days — no RFQ, no tender.
Early reservation gets you a slot during commissioning. Late reservation gets you a slot in 2027.
