Price of small constant temperature and humidity test chamber

Price of small constant temperature and humidity test chamber——Main technical indicators
1. Inner box size: 360mm (W) × 400mm (H) × 350mm (D)
2. Outer box size: 950mm (W) × 1300mm (H) × 870mm (D)
3. Temperature range: 0-150 ℃;
4. Humidity range: 20% to 98% RH (see temperature and humidity range diagram for details)
5. Temperature fluctuation: ≤± 0.3 ℃
6. Temperature deviation: ≤± 2 ℃
7. Humidity deviation: ± 2% RH (when humidity>75% RH); ± 3% RH (when humidity is ≤ 75% RH);
8. Heating time: within 40 minutes at RT ∽+100 ℃; (Under no-load conditions)
9. Cooling time: RT ∽ 0 ℃ within 20 minutes; (Under no-load conditions)
10. This device cannot be used to test or store items containing flammable, explosive, or volatile or corrosive gases
Note: The above indicators were measured at room temperature of+25 ℃ without sample conditions

Price of small constant temperature and humidity test chamber——Box structure and materials:
1. Shell material: Steel plate with electrostatic spraying surface treatment.
2. Inner box material: SUS # 304 heat-resistant and cold resistant mirror stainless steel plate.
3. Thermal insulation material: box: rigid polyurethane foam+glass fiber;
4. Standard configuration; One observation window (transparent electric heating film insulated glass), one 50mm cable hole (located on the left side of the box), two sets of sample racks, one lighting lamp, four casters, and one power cord (3 meters long)
——Freezing system and heating system:
1. Heater: Electric heating tube heater
2. Refrigerator unit:
(1) Freezing method: single-stage refrigeration method
(2) Compressor: Imported French Taikang fully enclosed compressor,
(3) Refrigerant: R404A/R23 environmentally friendly refrigerant (DuPont, USA)
(4) Condenser: Wave shaped fin type forced air supply condenser
(5) Evaporator: Slope type FIN-TUBE evaporator

——Humidification and dehumidification system:
1. Adopting an electronic parallel position micro humidification system, equipped with three imported magnetic spring switches, can reduce erroneous actions caused by electronic devices
2. The humidifier cylinder is made of stainless steel and comes with a water level observation window
3. Adopt evaporator coil dew point temperature (ADP) laminar contact dehumidification method
4. Equipped with a dual protection device for overheating and overflow, it can be used with peace of mind
5. The humidification/dehumidification system is independent
6. When supplying humidification cylinder water, pure water or RO reverse osmosis water should be used as much as possible

Supply air circulation system:
1. Adopt a multi blade centrifugal circulating fan, reinforced with an axis and aluminum alloy rotating blades that are resistant to high and low temperatures, to achieve forced convection
2. FLOW THOW air supply method; Horizontal diffusion, vertical heat exchange, arc-shaped cycle
3. Adjustable side blowing air outlet and protective net return air outlet

——Controller:
1. Control mode: Touch sensitive (3.5-inch color LCD touch screen TEMI580)
2. Display: LCD color LCD display screen
3. System capacity: 120 sets of programs with 100 segments. The number of segments required for each set of programs can be arbitrarily divided, and each set of programs can be freely connected to each other
4. Loop setting: Each set of operating programs can be executed, with 9999 loops or countless repetitions, and can be further divided into 5 segments to execute additional partial loops at this level
5. Operation mode: Three operation modes including constant value, program, and connection can meet various temperature testing conditions
6. Control mode: Intelligent microcomputer PID+SSR/SCR automatic bidirectional synchronous output
7. Load switch: live test Voltage 220V
8. Data setting: Built in program directory management facilitates the establishment, modification, retrieval, or execution of various test names and program data
9. Curve drawing: After completing the data setting, the set curve of the relevant data can be obtained immediately, and the actual operating curve drawing screen can also be obtained during operation
11. Timing control: 2 sets of timing output control interfaces, paired with 10 different timing control modes, can be used by external logic driven components to perform timing planning for start/stop
12. Reservation startup: All testing conditions can be set to have the function of reservation startup operation
13. Operation lock: It can lock the start stop function conditions to prevent other personnel from accidentally touching and affecting the experimental results
14. Power outage reset: Equipped with a power-off memory device and a restart mode for the machine during power restoration: 1. BREAK (interrupt) 2. COLOR (cold start) 3. HOT (hot start)
15. Safety check: Built in 15 fully functional system detection and sensing devices are installed to ensure the safe operation of the machine. When abnormal faults are detected, the control power of the machine is immediately cut off, and the time of the fault occurrence, abnormal items, and troubleshooting measures are automatically displayed
16. Abnormal tracing: It can display historical data of abnormal faults
17. External protection: One electronic over temperature protection device independent of the controller
18. Communication interface: A standard communication interface device for RS-232, which can be connected to a personal computer (PC) simultaneously for multi machine control and management
19. Display switching: Chinese/English subtitles can be freely switched