HCP621V-PMH Hot and Cold Mini Probing Plate vacuum tight 4 probe temperature stage 80 K - 670K, HCP621 Hot and Cold Mini Probing Plate, 800K with inert gas purging sample stage, and electrically floating sample area(28x30mm). mK2000 temperature controller. Temperature range -190°C** to 630°C, 4 electrical probers, with 4 co-axial BNC on the frame. Probes are not movable if cover is on. Floating BNC Liquid nitrogen cooling system. Consists of an LN2-D3, 3 liter Dewar, and an LN2-P4, 4-stage pump. Universal input power. C100W heat exchanger with valve box, for frame cooling, manual control. Universal input voltage. 1qty; INV: 23R021