Ultralow temperature freezer for sample preservation

The Leica DM4000 B features a coded 6x or 7x nosepiece, manual z-focus, and fully automated transmitted- and fluorescence axis.

Temperature range: -10°C to +50°C. Temperature fluctuation: ±1°C (ON-OFF control), ±0.2°C (PID control). Temperature uniformity: ±0.5°C (set 37°C, ambient 20°C, no load). Temperature program operation: 3-steps, 0.5 hr ~ 99.5 hr 1-99 [...]

In addition to fluorescence-based determination of chlorophyll content, the PHYTO-PAM-II provides comprehensive PAM saturation pulse analysis for differential assessment of photosynthetic performance of four algal groups within one [...]