Rapid temperature change chamber features: 1, the overall structure, in line with international standardization box aesthetic, elegant appearance; power door lock device lever-open structure, the outside, durable, easy to maintain; scientific aerodynamic wind tunnel structure, can greatly improve the temperature uniformity of the device. 2, hollow glass coated electric heating, low temperature no condensation; easy test to observe the test case; (3) the use of Chinese color LCD touch interface plus high-performance programmable controllers of Siemens (PLC), together with our chamber special software, with automatic, intelligent, humane, and upper and lower temperature protection features. 4, refrigeration compressors and key parts are imported international brands, long-term reliable operation; environmentally friendly refrigerant cooling, in line with international requirements of the Convention. 5, a variety of options: RS232 / 485 communication interface, paperless recorder, remote temperature control system (including printers, communications software, computers and related fittings). Model FKD701 FKD7025 FKD705 FKD71 performance parameters temperature range -70 ~ + 150 ℃ Temperature fluctuation ± 0.5 ℃ Temperature uniformity ≤2 ℃ temperature deviation ± 2 ℃ ramp rate selectable speed range: 3 ℃ / min ~ 15 ℃ / min (full average, -55 ~ + 80 ℃) Standard load 5Kg 12Kg ingots ingots 25Kg 70Kg ingots ingot surface spray cold-rolled steel shell structure (computer color + blue) inner stainless steel plate heat insulation material polyurethane foam refrigeration system way two-stage cascade refrigeration compressor inlet of the compressor heater chiller way Nichrome wire heating observation window (mm) 200X270 300X400 400X500 test hole (mm) on the left side a Φ50 Φ100 left of a left and right side of each one Φ100 platinum resistance temperature sensor Pt100 Controller Siemens PLC controller, Siemens color LCD touch screen mini printer recording apparatus computer interface RS485 interface, RS232 converter cable, the PC operating software (optional) Internal dimensions (mm) D 450 600 700 900 W 450 600 800 1150 H 580 700 900 1100 Power AC380V? 50Hz three-phase four-wire + ground wire standard configuration product 1 manual, test report 1, certification and quality assurance of the 1, 5 paper shelf 2, put the strip 4. Meet the standards GB11158, GB10589, GB10592 \ GB / T2423.1, GB / T2413.2, GB / T2413.22, GJB150.3, GJB150.4