Three Comprehensive Test Chambers It Is A Temperature And Humidity Control System That Operates In P.I.D.+SSR Mode, Ensuring Long-Term Stable Use.

Control mode and features: This system is designed in accordance with the international JTM standard. It is a temperature and humidity control system that operates in P.I.D.+SSR mode, ensuring long-term stable use. The system complies with test specifications such as MIL STD,GB,JIS,JEDEC,IEC, etc.
1. Performance
1.1 Temperature range: -40 to 150℃
1.2 Temperature control stability: 0.5℃
1.3 Temperature deviation: 2.0℃
1.4 Temperature change rate: Average 1.5℃/min (-40 to +150℃)
1.5 Humidity range: 20% to 98%RH.
1.6 Humidity control stability: 2.5%RH.
1.7 Humidity distribution uniformity :±3%
2. Relevant parameters
"Size"
The inner box size of the model is W*H*D MM, and the size of the vibration table body is W*H*D MM
500*500*400 500*500
Temperature range vibration frequency
Adjustable from -40 to 120 Hz and from 5 to 400HZ
2.2 Inner box material: Stainless steel plate (SUS #304), fully welded around the stainless steel.
2.3 Outer box material: High-grade brushed stainless steel plate with a brushed surface. The bottom adopts a lifting platform with guide rails
2.4 Insulation material: High-strength PU foam and high-density glass fiber cotton
2.5 Sweat-proof components: The heat energy of the K-type return pipe in the refrigeration system is used for sweat-proof treatment to save electricity.
2.6 Heater:
a. SUS304 stainless steel high-speed heating electric heaters are adopted.
b. A completely independent system that does not affect the refrigeration and control circuits.
c. The output power for temperature control is all calculated by a microcomputer to achieve high-precision and high-efficiency power usage benefits.
2.7 Humidifier:
a. Adopt an electronic parallel position micro-motion humidification system
b. The humidification cylinder is made of the entire SUS304 stainless steel and is equipped with a water level observation window
c. Adopt the laminar flow contact dehumidification method based on the dew point temperature (ADP) of the evaporator coil
d. The latest design is equipped with triple protection devices for overheat, overflow and pressure relief
e. The humidification and dehumidification systems are completely independent
f. Water level control adopts mechanical float ball water valves to prevent electronic malfunctions.
g. The wet water supply adopts a continuous water inflow system for the entire group without recovery. The water supply source (which must be pure water) and drainage are the responsibility of the user unit
2.8 Air Supply Circulation System:
A. The fan motor is equipped with a stainless steel extended shaft and an aluminum alloy multi-wing structure circulating fan that can withstand high and low temperatures, achieving forced convection and vertical diffusion circulation.(Units 3 and 4 use 2 sets.)
b. Adjustable side-blowing air outlet and return air outlet with protective mesh installed.
2.9 Box door: Single door
a. Window: W200xH210mm 3-layer explosion-proof laminated glass, with an inner laminated plate type heating demister.
b. Original imported flat embedded handle
c. Hinge: Original imported, which can prevent the box door from shaking at will. Its material is SUS #304
d. The box lamp is a 5W PL type fluorescent lamp, allowing a clear view of the test items inside the box
e. Two pieces of high-tensile silicone foam compacts resistant to high and low temperatures
2.10 Refrigeration System: A binary refrigeration system is adopted, which is highly efficient and energy-saving
a. Compressor: Imported high-efficiency energy-saving refrigeration compressor.
b. Welding: All pipelines in the entire system undergo nitrogen welding and leakage detection tests with expansion pressure for more than 24 hours
c. Refrigerants :R-134a(high-temperature section),R-404(single-component system),R-23(two-component system), environmentally friendly refrigerants
d. Condenser: Air-cooled - wavy finned forced air supply condenser
e. Evaporator: Slope-type FIN-TUBE evaporator
f. Expansion System: Refrigeration system with capacity control
g. Other accessories: Original imported solenoid valve; Drying filter Refrigeration components such as expansion valves
2.11 Temperature and Humidity Controller: (TIME580) Imported 5.0 "touch screen LCD display, with touch-controlled setting data input in both Chinese and English
a. Touch screen with high resolution, allowing for the arbitrary setting of fixed conditions or program conditions, and capable of switching between Chinese and English screens
b. The fixed condition can be set for 0 to 9999 hours and 59 minutes
c. The programmable mode can simultaneously set 120 groups of programs with different conditions. Within any group of programs, a portion of the segments can also be extracted to execute the loop. Up to 120 groups of test names can be planned
d. The program can set a total of 1200 different temperature, humidity and time segments (each segment can be set for up to 99 hours and 59 minutes), and 120 groups of programs can be connected in series at will. The maximum number of cycles for each segment can reach 999 times
e. It is equipped with a power-off memory device. When power is restored, it can continue to execute the remaining procedures and has the function of machine appointment execution activation and cumulative machine operation time, in line with the warranty record
f. The temperature rise and fall can be controlled by slope, and it has the function of self-calibrating the temperature and humidity reference points. It is equipped with a program setting curve screen, and the curve amplitude of temperature range and time can be set
g. It has a TIMER SIGNAL OUTPUT RELAY, which can output the control contacts required by another control program externally at any stage of the process (optional equipment).
h. The temperature sensor adopts DIN PT-100Ω (platinum sensing).
i. Both temperature and humidity control adopt the P.I.D.+ S.S.R. system for synchronous and coordinated control, which can enhance the stability and service life of control components and interfaces. A total of 6 groups of P.I.D. values can be planned, and more stable P.I.D value control can be obtained in different temperature range intervals
j. Touch setting, direct digital display, and direct reading of relative humidity %R.H. All conditions are automatically locked by the microcomputer
k. It has the function of P.I.D. automatic calculation, which can reduce the inconvenience caused by manual setting
In the event of an error during setup or operation, it will provide a warning of the fault location and response signals to assist users or maintenance personnel in troubleshooting as quickly as possible
m. Power-off memory device for ten years
The controller has a recording signal terminal output and can be connected to a temperature and humidity recorder (optional).
o. It is equipped with standard RS-232C/RS-485 communication interfaces, featuring a long transmission distance and the ability to be connected to a PC for control and recording (optional).
2.12 Control Panel:
Two light-illuminating push-button switches: power switch and lighting switch
b. One over-temperature protection switch
c. Power-on indicator light
d. Temperature and Humidity Recorder (Optional)
2.13 Test Holes: 1 hole with a diameter of 50mm on the left side of the machine body, with a center height of 240mm, and 1 silicone plug (with a center opening of 20mm). There is one flange hole with a diameter of 100mm on the right side, with a center height of 480mm, and it is connected with a rubber tiger. There is one 100mm diameter hole on the right side, with a center height of 210mm. One 100mm diameter hole on the right side, with a center height of 80mm, one silicone plug (with a 2-8mm diameter hole and a center distance of 45mm), and one silicone plug (without a hole).
2.14 Safety Protection devices:
a. Solid-state electrical translation (SSR)2 groups (1 group each for temperature and humidity)
b. Over-temperature protection switch
c. Water shortage protection switch
d. The compressor of the refrigeration system is equipped with over-temperature and overload protection devices
e. Compressor pressure protection switch
f. Under-phase and under-phase overvoltage protection switch (If the power supply is single-phase, there is no under-phase and under-phase function)
g. Power and control circuit fuses
h. Fuseless switch
i. One vent hole (explosion-proof and pressure relief function)
3. Accessories:
3.1 Six pieces of wet bulb non-woven fabric for testing
3.2 Power cord: One 3-meter-long low-impedance PVC cable
3.3 Storage Tank
A. One 20L stainless steel water tank is hidden in a drawer at the front
b. One automatic water supply pump (automatically supplies water from the lower water tank to the upper water tank)
c. One set of low water level protection switches
3.4 Sample Placement rack:
The box is equipped with fixed test object slots on the top, bottom, left and right sides (for details, please refer to the attached photo).
4. Power supply system: The fluctuation of the system power supply shall not exceed ±10%
Vibration test bench
Model voltage
Single-phase 220V 50Hz, three-phase 220V 50Hz, three-phase 380V 50Hz
Rated power NFB Rated power NFB Rated power NFB
400HZ 10.4KW 3P40A
5. Environment & Facilities:
5.1 The allowable operating environment temperature is 5℃ to 35℃
5.2 Water Supply (pure water) : 2 kg/cm ², pipe diameter 5x8 mm, water supply volume 1L/min
5.3 Drainage: The wastewater used in the experiment must be discharged. Pipe diameter: 3-inch pipe
6. Movement method: The vibrating table is fixed, and the incubator moves on the lifting platform through the guide rails (see the figure)