Basic Info.
Product Description
Name: Walk-in Constant Temperature and Humidity Test Chamber
Model: HKW-234
Brand: Huakai
The general situation
1. This equipment should meet the following standards:
GB11158-89 high temperature test chamber technical conditions
GB/T5170.2-1996 electrical and electronic products environmental test equipment basic parameters verification method temperature test equipment
GB2423.2-89 Basic Test Procedures for Electrical and Electronic Products Test B: High Temperature Test Method
2. The equipment should have the following basic characteristics:
1) The structural design of the test system should be advanced and reasonable, the manufacturing process is standardized, and the appearance is beautiful and generous.
2) The main functional components of the test box should be equipped with world famous brand configuration (high gold content), advanced and reliable technical principle, and optimal control of noise and energy saving.
3) The matching and assembly of parts and components are good. The main functional components should adopt original imported parts with international advanced level, which improves the safety and reliability of the equipment and ensures the long-term and high-frequency use requirements of users.
4) The equipment should have good operability, maintainability, good temperature stability and durability, good safety performance, no pollution to the environment and endangering personal health.
5), the test equipment is prohibited:
Testing and storage of samples of flammable, explosive and volatile substances
Testing and storage of corrosive substance samples
Testing or storage of biological samples
Test and storage of strong electromagnetic emission source samples
The main technical indicators
1 nominal internal volume (M3): 37.8
2, indoor studio clearance size (mm) W 4200 × H 2500 × D 3600
3. Door hole size (cm): W900×H 200 (can be specified as required)
Subject to the entity (indoor outlets are based on customer requirements)
4, temperature range: RT + 10 ° C ~ +70 ° C (program, fixed value can be controlled);
5. Temperature fluctuation: ±0.5 °C;
6. Increasing/cooling rate is about: average temperature rise of 3.0 °C / min; average temperature drop of 1 °C / min (non-linear no-load)
7, power: 380V ± 10%, 60 / 50HZ
8. Power: about 25KV.
The technical data of the above equipment operation are measured at room temperature 20±5°C, relative humidity ≤85%R.H, and the test box under no-load nonlinear conditions.
Note: Performance measured after 60 minutes of stability without test load and without shelf.
Temperature uniformity is defined as the data measured at the center of the laboratory geometry.
The above data performance, measurement, and calculation methods are determined by the method of GB5170.2 and GB5170.5.
The air conditioning system
1. Working principle: forced circulation internal circulation, balanced temperature regulation method:
That is, the central control system performs amplification, analog/digital conversion, and nonlinear correction according to the collected temperature signal in the box, and compares with the set value (target value) of the temperature, and the obtained deviation signal is calculated by PID, and the adjustment signal is output. Automatically control the output power of the heater/humidifier, so that the heating in the test chamber reaches a dynamic balance, and finally achieves the purpose of constant temperature.
2. Air circulation device: long shaft centrifugal fan, long shaft external motor drive;
3. Air heating mode: Nichrome resistive electric heater with special spiral heat dissipation area; PID+SSR drive control;
The box structure
1. The high temperature aging room adopts the floor-standing box structure: the working chamber is located at the right part of the unit cabinet. Due to the wide shape of the test box, the electrical control part can be placed in the unit cabinet, and the operation panel is located on the front of the unit cabinet. The inner shell of the box is made of 0.6 color steel plate, and the heat insulating material is hard flame-retardant polyurethane foam with a thickness of 100mm.
2, electronic control unit cabinet: placed in the right rear of the studio, specifically set up maintenance access door. The unit cabinet is composed of sound-absorbing panels, and is equipped with a thickened honeycomb sound-absorbing sponge and sound-absorbing rubber around to achieve maximum noise reduction.
3. Box door: It adopts single-opening door structure. The door of the test box is sealed with silicone rubber strip, which is resistant to high and low temperature, anti-aging and good sealing performance. Open the door lock inside and outside
4. Box observation window: In order to facilitate the observation of the sample in the box, the observation window material is a hollow resistance film composed of multi-layer tempered glass to heat the frost-proof glass. Observe that the bottom of the form is 750mm above the ground.
6. Lighting device: There are two 40W/36V moisture-proof and explosion-proof lighting lamps in the test room, which can be manually switched on and off, avoiding the sample area in the middle of the box.
7. The bottom of the box: the height of the bottom of the studio is about 200mm from the ground; the bottom plate is moderately inclined, and some reinforcing ribs are arranged inside the cabinet floor, so that the bearing capacity of the bottom plate is ≤1 tons.
Measurement and control system
1. The temperature measurement uses high precision platinum resistance.
2, the central controller:
1) Display mode: LED digital display
2) Display accuracy: temperature 0.1%.
3) Setting accuracy: Temperature 0.1 °C.
4) Display resolution: temperature 0.1 ° C, sampling time: 1 time / S.
5) Re-transmission of temperature PV value: The meter has two 4~20mA analog output, synchronously transmitting the display value of temperature and humidity. With a variety of power failure recovery modes.
6) Control mode: constant value control control.
7) The device has the year, month, day and time display, device running time and block running time display.
3, power control: Taiwan's "FOTEK / CKC" three-phase solid-state zero-crossing triggering power adjustment technology, reliable control, no noise, no grid pollution;
5, the main electrical components: the use of "Shuangling" or "LG / Fuji" circuit breakers, leakage protectors, AC contactors, thermal relay equipment;
6, system operation mode: program operation mode, constant operation mode.
Safety protection and electromagnetic compatibility requirements
1. The test box should meet the national electrical safety standards and wiring specifications. Each wiring port has clear standard conditions and no bareness;
2, the studio and the power supply are absolutely insulated, the resistance is greater than 1MΩ, no static electricity accumulation;
3. Perfect security protection function (see below);
1) Reliable grounding protection device;
2) Leakage/open circuit protection;
3) Heater short circuit protection;
4) blast motor overload protection;
5) Studio over temperature sound and light alarm;
4. Electrical equipment complies with relevant electromagnetic compatibility standards.
Equipment use conditions
1. Voltage: Three-phase 380V±10%; 60/50±10Hz;
Three-phase four-wire + grounding wire; equipment power: about 30KVA, the total power wire diameter squared: 16mm2.
2. Ambient temperature: ±25°C±5°C;
3. Ambient humidity: < 85% R.H (25 ° C);
4, atmospheric pressure: 86 ~ 106Kpa;
5. Environmental conditions: There is no strong vibration around the equipment site, no strong electromagnetic field interference, no high concentration of dust and corrosive substances, no direct sunlight or other heat sources.
6, the equipment should be placed horizontally in a well-ventilated test room, there should be sufficient space around for operation and maintenance.
Quality assurance system
1. Quality assurance system
Suppliers shall strictly follow the requirements of ISO9001 Quality Management System, ISO14001 Environmental Management System, and European CE Equipment Certification.
2, quality screening
The environmental laboratory shall strictly check the high temperature, low temperature, humidity and vibration of the components entering the plant on the equipment and facilities such as the special instrument aging table, the motor test bench, the mechanical vibration table and the environmental test room; in the production process , for each process should be self-inspection, mutual inspection and then passed the quality department inspection before passing into the next process;
X. Equipped with technical information and accessories
1. Technical information: equipment certificate, equipment maintenance manual, warranty card, instrument manual; PC communication software CD;
2. The supplier shall provide the "List of Equipment and Quotations for Major Parts and Components".
After-sales technical services
1. Subject to the precautions, installation and use rules of the equipment, the equipment will be free of charge during the year due to the quality of the equipment itself, and will be responsible for the lifetime maintenance service.
2. If the equipment has quality problems, it will be answered within 60 minutes after receiving the repair call (or fax). If the problem cannot be solved in the phone, the supplier's professional maintenance personnel will come to the door within three working days.
3. During the warranty period, the supplier shall provide free maintenance to the equipment every 3 months; it shall be responsible for maintenance throughout the life.
4. The supplier shall provide the equipment use, maintenance consultation and technical consultation service free of charge for the user for a long time; outside the warranty period, the spare parts shall be provided for a long time, and the charging standard shall be reasonable; the repair fee shall be charged only according to the cost price of the accessory.
5. The supplier shall have a special training department to conduct professional technical training for technicians, sales personnel and customer users from time to time, so that it can eliminate equipment failures for users in the shortest time and ensure the smooth operation of users.
6. When the compressor fails to be used within one year, it will be replaced unconditionally.
If you need our testing machine, please do not hesitate to inquire us!
We will provide you with the best service! Dongguan Huakai Testing Technology Co., Ltd. address: No. 4, Minghua Road, Shijie Town, Dongguan City.
Fixed Line: + 86-0769-81802288
Mobile: + 86-13649814979
Website: http://huakaijc.en.made-in-china.com
Address:
121# Shidan North Road, Shijie Town, Dongguan City Guangdong Province China, Dongguan, Guangdong, China
Business Type:
Trading Company, Group Corporation, Other
Business Range:
Bags, Cases & Boxes, Electrical & Electronics, Instruments & Meters, Lights & Lighting, Manufacturing & Processing Machinery, Metallurgy, Mineral & Energy
Management System Certification:
ISO 9001, ISO 20000, GMP, BSCI
Company Introduction:
Dongguan Huakai Testing Equipment Technology Co., Ltd. Is a equipment testing company specializing in self-made research and development, innovative design and independent production, with reliability, environmental testing equipment and integration of various testing instruments. At the same time, it is also a manufacturer of high-quality production test machines, with a professional and efficient team of talents, with independent mechanical design and software development capabilities. The testing equipment not only meets the requirements of EN, DIN, BS, UL, ASTM, JIS, GB, ISO and other international quality standards. And through the certification of CMC, CPA and other professional institutions. Testing equipment involves many industries, such as furniture, environment, mechanics, paper, packaging, printing, tape, electronics, luggage and so on.
Our company is guided by the idea of "taking science and technology and talents as the first productive force", independently develops and produces products suitable for customer testing requirements, and has a professional team of independent innovation and technology. In line with the concept of "follow the standards, quality first", the company has its own high-standard laboratory, accurate data quantification technology and product quality index requirements, providing customers with high-quality, accurate and durable testing equipment. Major components are manufactured by European, American and Japanese name factories, strictly enforce product quality assurance from details, so that products exceed the expected use time of customers, and assist customers to improve product quality and performance, reduce production costs, and improve market competitiveness.
Our company firmly adheres to the management concept of "Keeping Eternal Honesty, Vietnam Brand", and unremittingly devotes itself to product technology, continuous innovation and transcendence, pursuit of details and excellence, and strive for excellence.
Customers are the lifeblood of enterprises′sustainable operation, and the quality policy is "internationalization, standardization and specialization", which is designed to meet the needs of customers′ global transnational operation; Products meet the requirements of international quality standards, and testing equipment are certified by authoritative structure. We grow together with our customers and enhance our competitiveness. The advanced and reliable technology is comparable to the well-known brands in China, making Huakai a leader in the testing instrument industry in China. The company′s service implements the principle of customer first, establishes regular inspection system after sales, timely maintenance and maintenance, provides customers with the use of products, maintenance and maintenance knowledge, in order to prolong the service life of products. In line with the corporate culture of "professionalism, integrity and innovation", the company provides customers with the most advanced technology, the most suitable products and the most perfect solutions, and creates a sustainable environment and future with industry partners.