Operating temperature range: -35°+200°C ±0.03°C with 2kW heater. Cooling capacity: 600W @ 20°C | 440 W @ 0°C | 270W @ -10°C | 160W at -20°C. Adjustable speed centrifugal pump with flow diverter for adjustment of internal/external flow, 1.5-10.2 PSI | 8-27 L/min. M16x1 male pump connections with 8 and 12 mm hose barbs. Includes USB-B and RS232 ports for PC communication and USB-A port for data-logging. Bath tank volume 5…7.5L; tank opening 8.7 x 5.9 / 5.9 inches (WxL/D). Unit dimensions (WxLxH): 13 x 18.5 x 27.2 inches | 78.7 pounds. 200-230V/50-60Hz, NRTL marked for US and Canada.