1Beijing Lightless Drug Stability Test ChamberProduct model:

IIBeijing Lightless Drug Stability Test ChamberBox structure:
1.The shell is made of high-quality materialsA3Steel plate CNC machine tool processing and forming,Anti static spray coating treatment on the surface of the shell,More smooth and beautiful;
2.Studio material usageSUS304High quality stainless steel plate,Has the characteristics of acid resistance, corrosion resistance, and easy cleaning;
3.The position of the sample rack can be adjusted up and down as needed,The test lead hole is located on the left side of the studio,The hole cover can be opened during use;
4.Using high-quality door magnetic seals and insulation materials to enhance the overall performance of the machine;
5.Having a reasonable air duct circulation system,Ensure the highest uniformity of temperature and humidity inside the box;

IIIControl system:
1.The temperature and humidity instrument adopts an imported dual digital controller,Accurate display of relative temperature and humidity performance settings,Resolution reached0.1℃/0.1％RH；
2.Accuracy:0.1℃(Display Range);
3.Resolution:±0.1℃;
4.Temperature sensor:PT100Platinum resistance thermometer;
5.Control method: thermal balance, temperature and humidity adjustment; All electrical appliances use Schneider series products;

4refrigeration system:
1.Compressor: Imported fully enclosed original unit;
2.Cooling method: single machine cooling;
3.Condensation method: forced air cooling;
4.cryogen:R404A、R23(Environmentally friendly);
5.All system pipelines are pressurized and ventilated48HLeak detection test;
6.The heating and cooling systems are completely independent;
7.Internal spiral refrigerant copper tube;
8.Slope evaporator;
9.The dry filter, refrigerant flow window, repair valve, oil separator, solenoid valve, and storage tank are all imported original parts;
10.Dehumidification system: using evaporator coil dew point temperature laminar contact dehumidification method;
11.Start when cooling downR404A、R23Only start during dehumidificationR404A(Energy conservation and consumption reduction);

5Heating system:
1.Adopting far-infrared nickel alloy high-speed heating electric heater;
2.High temperature fully independent system,Does not affect low-temperature testing, high-temperature testing, and alternating humid heat testing;
3.The output power of temperature and humidity control is calculated by a microcomputer,To achieve high-precision and high-efficiency electricity efficiency;

6、 Humidification system:
1.Built in boiler steam humidifier;
2.Equipped with automatic water level compensation and water shortage alarm system;
3.Far infrared stainless steel high-speed heating electric heating tube;
4.Humidity control is adoptedP.I.D＋S.S.RCoordinate and control the system with the same channel;

7Protection system:
1.Fan overheat protection;
2.Overall equipment phase deficiency/Reverse phase protection;
3.Overload protection for refrigeration system;
4.Refrigeration system overpressure protection;
5.Overall equipment timing;
6.Overheating of water pump, overcurrent protection;
7.Other issues include leakage, water shortage, and operational indicators,Automatic shutdown protection after fault alarm;

8Equipment usage conditions:
1.Environmental temperature:5℃～28℃（24Average temperature within the hour≤28℃）
2.ambient humidity:≤85%R.H
3.The operating environment requires good indoor ventilation,Place the machine in front, back, left, right, and right directions80Do not place things in centimeters;

9、 Compliant with standards: strictly follow2005Standard for Stability Testing of Pharmacopoeia ArticlesGB10586-8、GB/T2423.3-93Design and manufacture of experimental requirements and methods;