STH-（1，2,3,4）P-A（B,C,D,E） Programmable constant temperature and humidity tes
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- 公司名稱 Shanghai SHANG Electronic Technology Co., Ltd.
- 品牌
- 型號 STH-（1，2,3,4）P-A（B,C,D,E）
- 產地
- 廠商性質 生產廠家
- 更新時間 2018/1/13 5:29:54
- 訪問次數(shù) 803
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Mechanical structure
² Box digital machine tools using CNC forming, beautiful arc shape, and using plane without counterproductive handle, easy.
² Box within the material of stainless steel （SUS # 304）, external materials used salinization plate （SECC）, also applied in the paint, to enhance the appearance of texture and cleanliness。
² Wet tank for automatic supply system with the entire group, together with the filter, without manual pay, more convenient operation of supplementary water.
² Large observation window, with a bright light to keep box, and the use of heating element embedded glass, holding fort at any time the status of clear observation box.
² Humidification system piping and control additional catchment plate between circuit boards can avoid the impact of pipeline leakage circuit to improve safety.
² Fort stratospheric box PU foam resin with high strength and high density glass fiber cotton, the thickness of 10 cm, to avoid unnecessary energy loss.
² Box on the left with a 50mm diameter test holes for external test power line or signal line.
Programmable controller.
² Super sensitivity of imported liquid crystal （LCD） display, touch controller, the screen is simple, easy program editing.
² Controller interface design, the word choice, and real-time operation of the curve can be displayed on the screen.
² Section 100 program with Section 1000 of the capacity 999CYCLE steps, each time setting the maximum 99 hours and 59 minutes.
² Input data and test conditions, the controller has the screen lock Lock function to prevent and stop human touch.
² With the PID auto-calculation function, changes in temperature and humidity conditions can be amended immediay, Ershi more precise control of temperature and humidity stable.
² With RS-232 or RS-485 communication interface and Connection software, which can design programs on the computer, monitor test process and the implementation of switch machine and so on.
² Failure message is displayed with 9, in operation in abnormal conditions, immediay cut off the power, and in real time on screen show the cause.
To provide temperature and humidity linear DC signal output to the temperature and humidity recorder, in order to understand the status of test conditions, and then improve the detection reliability. （Optional）
Refrigeration and Air Road System
² Refrigerator compressor imported by Europe and the United States, and using environmentally friendly refrigerants （R134a, R404a, R23）.
² Low-temperature refrigeration system using binary-type circuit design, and in different temperature range of compressors for different functions, to increase the service life of equipment。
² Using powerful multi-wing air circulation blower, to avoid any dead ends, make test temperature and humidity distribution in the region.
² Wind Road cycling with the wind blowing the return air side of the design, wind pressure and wind speed are in compliance with testing standards and instantaneous temperature and humidity can open the door fast stabilization time
² L wet, cooling, humidification, dehumidification system is fully independent and can improve efficiency, reduce testing costs, increase life expectancy, reduce the failure rate.
Product Specifications
| Machine Model | STH-1P-A（B,C,D,E） | STH-2P-A（B,C,D,E） | STH-3P-A（B,C,D,E） | STH-4P-A（B,C,D,E） | |
| Size | Test area size （W*H*D,cm） | 45x60x45 | 50x75x60 | 80x80x80 | 100x100x100 |
| Dimensions （W*H*D,cm） | 110x145x80 | 113x160x95 | 143x165x115 | 163x185x135 | |
| Operating temperature range | 100℃（＋150℃）～－70℃（A:0℃，B:-20℃，C:-40，D:-60℃，E:-70℃） | ||||
| Relative humidity range | 20%~98% RH | ||||
| Machine performance | Analytical precision | Temperature | |||
| | | ||||
| Control precision | Temperature：±0.3℃ Humidity：±1.5%RH | ||||
| Temperature deviation | ≤±2℃ | ||||
| Temperature fluctuation | ≤±0.5℃ | ||||
| Humidity bias | +2/-3% RH | ||||
| System Structure | Control System | Using microcomputer control mode （programmable series ultra liquid crystal （LCD） touch screen; standard single-point controllers） + solid-state relay relay | |||
| Extension products | High and low temperature heat chamber, constant heat chamber, high and low temperature chamber, temperature and humidity test room | ||||
| Heating system | SUS # 304 stainless steel High-speed electric heater | ||||
| Humidification mode | Surface evaporation | ||||
| Cooling System | Europe and the United States original compressor + Fin + air-cooled evaporator （water-cooled） condenser | ||||
| Circulatory system | Stainless steel blades, low noise, multi-wing circle fan | ||||
| Dehumidification mode | ADP critical dew point cooling dehumidification mode | ||||
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