box
Cold storage board(Standard color)Inner wall stainless steelSUS304B material,Library boardcoamingThickness: T/150Mm (insulation material is hard foam polyurethane)PU fire rating B)
humidification
useAll stainless steel shallow surface evaporative humidifier,Humidification through a humidification boiler;
Water level control: Adopt mechanical floating ball water valve to avoid electronic misoperation
Composition of humidification system: humidifier, water level controller, connecting water pipe, hose
heating
The heating system adopts hot air circulation heating method, with uniform temperature distribution and completely independent system
The temperature control output power is calculated by a microcomputer, and the heating power is automatically controlled according to the size of the internal load to achieve high-precision and high-efficiency electricity efficiency, which is more environmentally friendly and energy-saving;
Main components of the system: heating tubes, solid-state relays, etc
Heating method: Internal heating, heated by heating tubes and circulated through air ducts to ensure uniform temperature inside the equipment!
refrigeration system
Low temperature refrigeration adoptsGerman Bitzer, German Blog, German Grain Wheel
Other refrigeration components such asRANCO, USA SPOLAN、 Original imported brand products such as "ALFALAVAL" from Switzerland, DANFOSS from Denmark, CAS from Italy, and Lu Gong from Japan.
control system
Korean Sanyuan original imported and Japanese U-Easy Control instrument controller;
Can be set:give birth toProduct name, startup time, temperature and humidity, shutdown time
Customized temperature and slope setting function
It has the functions of holding, jumping, standby, and two sets of time signal output
Equipped with temperature display value correction function
Having temperaturewetDegree sensing body calibration function(With automatic calibration function to ensure the accuracy of the test)
Equipped with automatic compressor shutdown function
Equipped with scheduled start/stop operation function
Has pause recording function
Equipped with power-off memory function:
Accessories: Recorder (optional), Observation Window, 50mm Test Hole, PL Box Lamp, Partition, Dry and Wet Ball Gauze
Controller: Choose between Korean "TEMI" or Japanese "OYO" brand
Refrigeration system: air-cooled or water-cooled imported compressors from Europe and America (Taikang, Bitzer, Gulun), heat dissipation plate evaporator
Power supply: 1 Φ 220VAC ± 10% 50/60Hz&3 Φ 380VAC ± 10% 50/60Hz

This controller has the following characteristics:
1. When the machine malfunctions, it will sound an alarm and automatically shut down;
2. There are two types of LCD display screens in Chinese and English. Its appearance is clear, the structure is reasonable, and the program is easy to edit;
3. It is a well-known brand's original 'Korean' TEMI880 or Korean ternary 'series controller;
4120The group program has the largest capacity and each group can be memorized100Section temperature and humidity;
5. It can display the complete system operation status, real-time display execution and set program curves;
6. The controller can be accessed throughRS/232perhapsRS/485The interface is connected to a computer and can be connected to a printer to print temperature and humidity curve monitoring data;
7. HavingPIDControl communication function;
8. Time setting range:0~999 Hour;
9. Accuracy range Setting accuracy: temperature±0.1℃, humidity±0.1%R·HIndication accuracy: temperature± 0.1℃, temperature±0.1%R·H;
10. Temperature and humidity sensor Platinum resistance·PT100Ω;
11. Having power-off program memory,Automatically start and continue executing program functions after power restoration;

Freezing system and heating system:
1. Imported sealed energy-saving high-efficiency compressor
2. Wave shaped fin type forced air supply condenser
3. Slope type FIN-TUBE evaporator
4. Original imported solenoid valve: drying filter, expansion valve and other refrigeration components
5. Internal spiral K-TYPE refrigerant copper tube
6. U-Type finned high-speed electric heating tube
7. The heating and cooling systems are completely independent
Control system:
1. Imported programmable touch LCD Chinese dialogue display, microcomputer integrated controller
2. The temperature and humidity display control instrument adopts a fully imported large screen (5.7-inch LED display) from Japan, with simple screen operation, easy program editing, no need for button input, and direct touch options on the screen.
3. Resolution: [± 0.1 ℃]
4. Temperature sensor: PT100 platinum resistance thermometer;
5. Control mode: thermal balance temperature and humidity control mode; All electrical appliances use Schneider series products
6. Temperature and humidity control adopts P I. D+S.S.R system coordinated control on the same channel
7. It has the function of automatic calculation, which can immediately correct the temperature and humidity change conditions, making temperature and humidity control more accurate and stable
8. The controller operation interface is available in both Chinese and English, and the real-time operation curve chart can be displayed on the screen
9. It has a capacity of 10 programs, 100 segments per group, and 999 steps per segment that can be cycled. The maximum value for each segment is set to 99 hours and 59 minutes
10. After inputting the data and experimental conditions, the controller has a screen lock function to avoid manual touch and shutdown
11. Equipped with RS-232 or RS-485 communication interface, it can be programmed on a computer to monitor the testing process and perform functions such as automatic power on/off, printing curve data, etc
12. The controller has an automatic screen saver function, which better protects the LCD screen during long-term operation (making its lifespan longer)
13. In operation or setting, if an error occurs, a warning signal will be provided
Heating system:
1. Adopting nickel chromium electric heater
2. High temperature completely independent system, does not affect low temperature testing, high temperature testing, and alternating wet 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