Name: Fast Temp Change Temperature and Humidity Tester Model: KTB-250/KTB-500/KTB-1000/KTB-1500 Purpose: This machine is to test heat endurance, cold endurance, dry endurance, wet endurance of various materials. It applies for quality control of electronic goods, electric appliance, measurement device, automobile, metal, chemical, plywood, aviation, medical and etc. Standard: GB-2423.1-89 (IEC68-2-1); GJB150.4(MIL-STD-810D) GB-2423.2-89 (IEC68-2-2); GB-2423.3-93 (IEC68-2-3); GJB360.8-87 (MIL-STD-202F); GB-2423.4-93 (IEC68-2-30); GJB150.3 (MIL-STD-810D); GJB150.9-93 (MIL-STD-810D). Specification: Model Temperature range A: -40℃~+150℃ (temp range: -20℃~+80℃); B: -70℃~+150℃ (temp range: -55℃~+80℃); Humidity range Temperature accuracy Humidity accuracy Heating and cooling speed 5℃/min, 10℃/min, 15℃/min. (Standard load 5-30 Kg Aluminum ingot) Interior Material Stainless steel SUS304# (Mirror) Exterior Material Stainless steel SUS304# (Matte) Thermal insulation material Rigid polyfoam (to use glass wool at 150 ℃) Cooling system Hermetic compressor Observation window, freely adjustable shaft for 2 layer, test hole for 1 pcs at Φ150mm, chamber lamp. Power Supply Advantages: Features: 1. Good appearance: Stainless steel is applied for the inner and outside material of the chamber, flat knob without reaction force; easy operation; 2. It can be installed additional testing holes according to requirements; 3. It adopt touching screen of original Japan OYO LCD. It can store 100 sets of programme (PTN) x 1000 steps, each programme can do 999 times or repeat unlimitedly, operation interface is English. It is with fault warning and protection function, RS-232 communication interface, attached PC software available for far control. 4. Multi-wing ventilator inside the machine surpasses the traditional one exposing outside. It ventilates cyclically and strongly to make temperature evenly in the chamber. 5. Observation window: tempered glass with defroster, heating device, energy-saving illumination. 6. Hidden water giving system: pretty appearance and conv

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