Low temperature test chamber

Low temperature test chamberJW-2204B-204

Low temperature test chamberJW-2204B-204

Low temperature test chamberJW-2204B-204

oneProduct Overview:

1) According to GB/T 2423.1-2008; GB/T 2423.2-2008; GB/T 2423.3-2008; GB/T 2423.4-2008; The test standards require design that complies with both GB 10592-89 and GB 10586-2006 test standards.

2) The experimental system has a well-designed and reasonable structure, standardized manufacturing processes, and a beautiful and elegant appearance.

3) TheThe main functional components of this test chamber are all world high configuration (high gold content), with good and reliable technical principles, and optimal control of noise and energy saving.

4) The matching and assembly of components are good, and the main functional components are all of good quality, which improves the safety and reliability of the product and ensures the long-term and high-frequency use requirements of users.

5) The equipment has good operability, maintainability, good temperature stability and durability, good safety performance, does not pollute the environment and harm personal health.

6) All wires inside the control cabinet are printed with serial numbers and numbers by dedicated equipment, and the wiring is clear and easy to understand.

II ★Main technical indicators

★1．Volume and size

★1）test chamberInner box size:W1500mm×D1500mm×H1800mm；

★2) Peripheral box size:aboutW2600mm×D2000mm×H2200mm

★2. performance

★2.1. Test environment conditions: The ambient temperature is5-35 ℃, relative humidity ≤ 85% RH;

★2.2 test chamberTemperature range: -20℃～room temperature；

temperature variationscope:－20℃～room temperature(Can)mode）

★2.3 Temperature fluctuation: No load temperature fluctuation≤±0.5℃；

★2.4 降温速率：room temperature～-20℃ 0.7-1℃/min (unloaded, average throughout the entire process);

★2.5 be dismissed from public office and expelled from the PartyDoor:doubleOpen hinged door (center facing)both sidesOpen),singleThe size of the door is approximately 850mm×2000mm*2(Wide)X height), door frame anti condensation electric heating device; Equipped with transparent electric heating film and insulated tempered glass observation window2A (located on the door, with a visible range of approximately) W400×H500mm）； Equipped with a safety door locking mechanism;

★2.6 Bottom bearing capacity: The bottom plate of the inner box is fully welded,≥1000Kg (uniform load);

★2.7 The thickness of the insulation layer is100mm；

★2.8 Warning light: equipped with three color status display light

★2.9Safety switch: Emergency stop switch installed outside the box

2.10Refrigerant: Environmentally friendly refrigerant is usedR404A及R23；

2.11Local control: equipped with LCD color LCD touch screen, can control programs and directly display temperature and humidity data.

2.12. 1 Display: Color LCD;

2.12. 2 Operation mode: program mode (≥ 80 programs), fixed value mode;

2.12Chinese menu and touchscreen input;

2.12Communication function: Equipped with remote control software, the test program can be remotely set, controlled, stored, displayed, printed, and communication protocol can be opened through RS-485 or Ethernet interface;

2.12. 5 Auxiliary functions: Fault alarm and cause, processing prompt function; Power outage protection function; Upper and lower temperature protection function; Timer function (automatic start and stop operation), self diagnostic function;

2.13Safety protection device:

2.13Refrigeration system: compressor overpressure protection, compressor motor overheat protection, compressor motor overcurrent protection;

2.13. 2 Humidification system: heating tube dry burning protection, water supply abnormal protection, drainage abnormal protection;

2.13.3 test chamberAdjustable independent over temperature protection, air conditioning channel extreme over temperature protection, safety door lock that can open the door from the inside, fan motor over temperature protection;

2.13Other safety protections: main power phase sequence and phase loss protection, grounding, leakage protection, load short circuit protection, emergency stop switch;

2.14Automatic data recording andUSB portInternetThe interface can save data toUSB flash drive or computer

2.15The room is equipped with moisture-proof and explosion-proof lighting fixtures

2.16 self-developedColor touch screen model:JWT-2700operationPID automatic adjustment, automatic display and recording of program start date, time, curve, etc

2.17Temperature and humidity sensor: imported from Taiwan, China JellisPT100 platinum resistance sensor, made of SUS316 stainless steel material

2.18Solid state relay control, equipped with a cooling fan. adoptSUS304 # stainless steel heater ensures three-phase current balance during heating process

2.19Compressor: Semi enclosed German Bitzer compressor2Stage, condensation method: water cooling, using industrial coolingice water machineOr industrial water tower (optional)；Industrial ice water machines can be installed indoors or outdoors.

2.20Chassis material: The inner box of the tray type box is made of304 # stainless steel material, the outer box is made of high-grade insulated color steel plate

2.25The vulnerable parts inside the equipment (such as heaters, temperature and humidity sensors) should be easy to replace, the room insulation effect should be good, the internal temperature and humidity distribution should be uniform, and any dead corners should be avoided.

2.21test chamberDistance between the outer side of the wall and the inner side of the surrounding outer wallEnsure that the temperature difference is less than ± 2 ℃ (reference: greater than or equal to 0.3m);