- Manufacturer: Weiss
- Model: FS420-40V
- Size: 420 liters
- Internal Dimensions: 750mm x 750mm x 750mm (WxDxH)
- Temperature Range: -40° to 160°C
- Temperature Rate Change: (measured at the control probe)
- Heating: 3°C/min
- Cooling: 3°C/min
- (based on IEC60068-3-5,empty)
- Temperature Control: +/-0.5°C at steady state condition after stabilization.

