High quality precision temperature and humidity testing machine manufacturers in Dongguan City Cowan Test Equipment Co., Ltd. is a professional manufacturer of environmental test equipment company. After 12 years of continuous efforts and innovation, product sales continued to rise in recent years, customers are welcome to order. Temperature and humidity testing machine Usage: temperature and humidity testing machine electronics, 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 changes in the environment constant parameters and performance tests. Constant temperature and humidity testing machine standard: GB / T10589-1989 temperature chamber technical conditions; GB / T10586-1989 heat chamber technical conditions; GB / T10592-1989 technical conditions of high temperature chamber; 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 procedures 3; GJB150.9-8 damp heat test ; GB2423.34-86, MIL-STD883C method 1004.2 combination of temperature and humidity cycling test. A IEC68-2-2 IEC68-2-1 test Test B alternating high and low temperature and humidity testing machine IEC68-2-14 Test N product specifications and models: (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 within -225 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 constant temperature and humidity testing machine technical parameters: 1, temperature range: Z: 0 ℃ ~ 150 ℃ T: -20 ℃ ~ 150 ℃ F: -40 ℃ ~ 150 ℃ S: -70 ℃ ~ 150 ℃ 2, 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, the time setting range: 0 to 9999 hours 9 Power Requirements: AC220V / 50HZ, AC380V / 50HZ temperature and humidity testing Chassis Material: 1, the shells are made of high quality SUS304 brushed stainless steel plate; 2, liner made of high quality SUS304 stainless steel mirror; 3, insulation material selection of high-density fiberglass, insulation thickness of 100mm; 4, duct system with a long fan motor shaft resistance, high temperature stainless steel multi-blade impeller to reach the intensity of convective vertical diffusion cycle; 5, with double sheets of high temperature resistance seal between the door and the cabinet in order to ensure a closed test area; 6, using No reaction explosion door handles, easier operation; 7, at 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 (can be clearly observed during the test); 9 test hole (machine to the right) can be an external test power line or signal line (aperture or hole needs to be increased several instructions); constant temperature and humidity testing machine control system: Cowan KW-890 self-developed microcomputer temperature and humidity controller Controller Ten advantages: a: the big screen vivid color screen: TFT LCD (LED backlight) 7 inches TFT color VGA (800x480) II: interactive touch screen input system, easy to learn, powerful, and in LCD on the screen to set the curve to understand the procedure and monitoring process; three: PV curve / group profile: Real said the temperature and humidity PV, SV graph showing the history of the stored curve, the curve representing the group and the state; four: You can set the program 120 group, section 1200, the number of cycles up to 999 times, each time the maximum set 99 hours 59 minutes; five: USB communication interface provides backup / historical curve / historical data, easy to use; also optional RS485 interface, RS232 communication interface can be freely controlled and monitored via PC. Six: a program 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 of times running time (530 hours 59 minutes), each switch can be set to standby, the maximum value 999,999 hours; eight: a variety of alarm, fault occurred at the same time, through the fault display screen, eliminating fault; nine: the recording error history, provides users with access to all screens Available in English, Chinese language; ten: BMP file says: via USB download history curve for BMP image format files. Temperature and humidity testing system cooling system: a compressor: imported France Taikang closed refrigeration unit. 2, cooling mode: single (double) cold mechanism. 3. Condensation: forced air cooling. 4, dehumidifier uses the dew point temperature of the evaporator coil dehumidification mode laminar contact. 5, solenoid valves, oil separator, dry filter, repair valves, refrigerant flow Windows, liquid storage cylinder original parts are imported. Temperature and humidity testing machine heating system: 1, the use of far-infrared heating nickel alloy high-speed electric 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-in 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 far infrared heating alloy high speed steel heater; 4, humidity control are used PID + S.SR, coordinated control system with the channel; protection system: 1, the overall device over-temperature; 2, there are other leakage; 3, water Run indication; 4, automatic shut-down after the fault alarm protection; high-quality precision temperature and humidity testing machine service: 1. year warranty and lifetime service; 2. Free in buyer-site installation, commissioning and training; 3. After acceptance of the equipment, within Guangdong Province eight hours to reach the site services; Guangdong province two working days to reach the site for the user to solve the problem. The warranty period: the case of normal operation, resulting in damage to a part, for a free replacement parts only. If there is a serious quality problem within three months, I can unconditionally change the new machine of the same type. 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 other aspects to provide timely and comprehensive after-sales service