| Material |
High boron silicon glass(Special Hard) |
| Model |
Glass Vacuum Tube |
| Glass Tube diameter |
47mm / 58mm |
| Thickness of Vacuum |
5mm |
| Vacuum Tube Length |
1.5 meter / 1.8 meter |
| Single Tube Weight |
1.5 kg / 2.4 kg |
| High vacuum, long-term stability |
5*10 pa |
| Absorber Material |
Aluminum |
| Coating |
Aluminium Nitride |
| Absorption Coefficient |
a>/ 0.94 |
| Wind resistance |
30 m/s |
| Freezing Tolerance |
-30° C |
| Hail Resistance |
25mm hail |
| Insolation Temperature |
250° C |
| Start-up Temperature |
<25° C |