Small temperature and humidity testing machine manufacturers offer direct low as 29,000 yuan, Dongguan Cowan Test Equipment Co., Ltd. engaged in environmental testing equipment designed decade of product development history, production technology has superior to imported products, excellent quality, price cheap, welcome new and old customers call. Also according to customer requirements manufacture non-standard products. Temperature and humidity testing machine Usage: temperature and humidity testing machine is electronic, electrical appliances, computers, mobile phones, plastic, rubber, metal, LED, LCD, PCB, optoelectronics, fiber optics, automobiles, home appliances, research and other fields necessary test equipment for testing products and materials for high temperature, low temperature, high and low temperature, humidity or temperature constant environmental change parameters and performance tests. Constant temperature and humidity testing machine standard: GB / T10589-1989 temperature chamber Technical conditions; GB / T10586-1989 heat chamber and technical conditions; GB / T10592-1989 environmental chambers technical conditions; GB2423.1-89 low temperature test Aa , Ab; GB2423.3-93 (IEC68-2-3) Damp heat test Ca; MIL-STD810D Method 502.2; GB / T2423.4-93 (MIL-STD810) method 507.2 procedure 3; GJB150.9-8 damp heat test ; GB2423.34-86, MIL-STD883C method 1004.2 combination of temperature and humidity cycling test. Test B Test A IEC68-2-2 IEC68-2-1 alternating high and low temperature and humidity testing machine IEC68-2-14 test N Technical parameters: 1, temperature range: Z: 0 ℃ ~ 150 ℃ T: -20 ℃ ~ 150 ℃ F: -40 ℃ ~ 150 ℃ S: -70 ℃ ~ 150 ℃ 2, relative humidity range: 20% ~ 98% RH (10% / 5% ~ 98% RH humidity type) 3, the temperature fluctuation: ≤ ± 0.5 ℃ 4, the temperature uniformity: ≤ ± 2 ℃ 5, the temperature deviation: ≤ ± 1.5 ℃ 6, humidity fluctuation: ± 2,5% RH 7, heating rate: 1.0 ~ 3.0 ℃ / min 8, time set range: 0 to 9999 hours and 9 Power requirements: AC220V / 50HZ, AC380V / 50HZ temperature and humidity testing machine Product specifications and model: (mm) (W × H × D) Model: KW-TH-80 internal dimension: 400 × 500 × 400 Carton size: 970 × 1360 × 970 Model: KW-TH-150 internal dimension: 500 × 600 × 500 Carton size: 1070 × 1460 × 1070 Model: KW-TH-225 in the shape size: 500 × 750 × 600 Carton size: 1070 × 1610 × 1170 Model: KW-TH-408 in the shape size: 600 × 850 × 800 Carton size: 1170 × 1710 × 1280 Model: KW-TH-800 internal dimension: 1000 × 1000 × 800 Carton size: 1550 × 1850 × 1300 Model: KW-TH-1000 internal dimension: 1000 × 1000 × 1000 Carton size: 1550 × 1850 × 1500 volume: 80L 150L 225L 408L 800L 1000L humidity testing Machine control system: Cowan KW-890 self-developed microcomputer control temperature and humidity control Ten advantages: a: big screen vivid color screen: TFT LCD (LED backlight) 7 inches TFT color VGA (800x480) II: People machine interactive touch-screen input system, easy to learn, powerful, and in the monitoring process on the curve and understand the procedure set the LCD screen; Third: PV curve / group curve: real representation of temperature and humidity PV, SV graph showing history storage curve, the curve representing the group and the state; Fourth: You can set program 120 group, section 1200, the number of cycles up to 999 times, each time the maximum set 99 hours 59 minutes; V: USB communication interface backup / historical curve / historical data, easy to use; also optional RS485 interface, RS232 communication interface, can easily control and monitoring via PC. Six: a procedural amendment, clear, appointments, start, power, memory, key lock function; seven: screen protector function, you can set the program to run when the operating conditions, a segment times running time (530 hours 59 minutes) each can be set to standby switch, setting maximum 999,999 hours; eight: a variety of alarm, fault occurs at the same time, through the fault display screen, eliminating fault; Nine: recording error history, provides users with access, full screen Available in English, Chinese language; ten: BMP file represents: via USB download history curve BMP image format files. Temperature and humidity testing case Material: 1, shells are made of high quality SUS304 brushed stainless steel plate; 2, the liner made of high quality SUS304 stainless steel mirror; 3, insulation material selection and high-density fiberglass insulation layer thickness of 100mm; 4, wind Road system uses the long axis of the fan motor, high temperature stainless steel multi-blade impeller, in order to reach the intensity of convection in a vertical diffusion cycle; 5, using double sheets of high temperature resistance seal between the door and the cabinet to ensure a closed test area ; 6, no reaction explosion-proof door handle, easier operation; 7, the bottom of the machine can be fixed with high quality PU wheels; 8, multi-layer hollow glass observation window, glue chip inside the conductive film (which can be clearly observed test process); 9, the test hole (machine right) can be an external test power line or signal line (apertures or holes need to be added indication); temperature and humidity testing system cooling system: 1, Compressor: fully enclosed imported French Taikang refrigeration unit. 2, cooling mode: single (double) Cold mechanism. 3, the condensation: forced air cooling. 4, dehumidifier using an evaporator coil dew point temperature laminar contact with dehumidification. 5, solenoid valves, oil separators, drying filter, repair valves, refrigerant flow windows, the reservoir cylinder are imported original parts. Protection system: 1, the overall equipment over-temperature; 2, there are other leakage; 3, water, operation instructions; 4, automatic shutdown after a fault alarm protection; constant temperature and humidity testing machine heating system: 1, the use of far-infrared-nickel alloy High-speed heating heater; 2, heat, humidity completely independent systems; 3, temperature and humidity control the output power by the microcomputer calculus, to achieve high precision and high efficiency power efficiency; constant temperature and humidity testing machine humidification system: 1, built boiler steam humidifier with energy saving features, you can save 70% of energy consumption; 2, with the water level automatic compensation, multiple water alarm protection systems; 3, the far-infrared heater titanium stainless steel high-speed heating; 4, humidity are controlled by the co-channel coordinated control PID + S.SR, systems; small temperature and humidity testing machine manufacturers offer direct service: 1 year warranty and lifetime service; 2. Free installation on the buyer site, commissioning and training; 3. After the equipment acceptance, within Guangdong Province eight hours to reach the scene services; Guangdong province two working days to reach the site for users to solve problems. The warranty period: the case of normal operation, resulting in damage to a part, for a free replacement parts only. If serious quality problems within three months, the company can change unconditionally the same type of new aircraft. 5. Warranty: the case of normal operation, certain parts, damaged parts need to be replaced, only the fees. 6. You can provide comprehensive technical training, equipment maintenance, spare parts supply and others to provide timely and comprehensive after-sales service