YYP-150 High Precision Constant Temperature &Humidity Test Chamber

3)Equipment performance:

1. Analytical accuracy: Temperature: 0.01℃; Humidity: 0.1%R.H

2. Temperature range: 0℃~+150 ℃

                  -20℃~+150 ℃

                   -40℃~+150 ℃

                  -70℃~+150 ℃

3. Temperature fluctuation: ±0.5℃;

4. Temperature uniformity: 2℃;

5. Humidity range: 10% ~ 98%R.H.

6. Humidity fluctuation: 2.0%R.H.;

7. Heating rate: 2℃-4℃/min (from normal temperature to the highest temperature, nonlinear no-load);

8. Cooling rate: 0.7℃-1℃/min (from normal temperature to the lowest temperature, nonlinear no-load);

4)Internal structure:

1. Inner chamber size: W 500 * D500 * H 600mm

2. Outer chamber size: W 1010 * D 1130 * H 1620mm

3. Inner and outer chamber material: high quality stainless steel;

4. Stratospheric structure design: effectively avoid condensation at the top of the chamber;

5. Insulation layer: insulation layer (rigid Polyurethane foam + glass wool, 100mm thick);

6. Door: single door, single window, left open. Flat recessed handle.

7. Double heat insulation air-tight, effectively isolate the heat exchange inside and outside the box;

8. Observation window: tempered glass;

9. Lighting design: high brightness window lighting, easy to observe the test;

10. Test hole: the left side of the body ψ50mm with stainless steel hole cover 1;

11. Machine pulley: easy to move (adjust the position) and strong bolts (fixed position) supporting the use;

12. Storage rack in the chamber: 1 piece of stainless steel plate storage rack and 4 groups of track (adjust the spacing);

5)Freezing system:

1. Freezing system: The use of French imported Taikang compressor, Europe and the United States high-efficiency energy-saving ultra-low temperature freezing system (air-cooled heat dissipation mode);

2. Cold and heat exchange system: Ultra-high efficiency SWEP refrigerant cold and heat exchange design (environmental refrigerant R404A);

3. Heating load adjustment: automatically adjust the refrigerant flow, effectively take away the heat emitted by the heating load;

4. Condenser: fin type with cooling motor;

5. Evaporator: fin type multi-stage automatic load capacity adjustment;

6. Other accessories: desiccant, refrigerant flow window, repair valve;

7. Expansion system: capacity control refrigeration system.

6)Control system: Control system: programmable temperature controller:

Chinese and English LCD touch panel, screen dialogue input data, temperature and humidity can be programmed at the same time, backlight 17 adjustable, curve display, set value/display value curve. A variety of alarms can be displayed respectively, and when the fault occurs, the fault can be displayed through the screen to eliminate the fault and eliminate misoperation. Multiple groups of PID control function, precision monitoring function, and in the form of data displayed on the screen.

7)Specifications:

1. Display :320X240 points, 30 lines X40 words LCD display screen

2. Accuracy: Temperature 0.1℃+1digit, humidity 1%RH+1digit

3. Resolution: Temperature 0.1, humidity 0.1%R.H.

4. Temperature slope :0.1 ~ 9.9 can be set

5. Temperature and humidity input signal T100Ω X 2 (dry ball and wet ball)

6. Temperature conversion output :-100 ~ 200℃ relative to 1 ~ 2V

7. Humidity conversion output: 0 ~ 100%RH relative to 0 ~ 1V

8.P.I.D control output: temperature 1 group, humidity 1 group

9. Data memory storage EEPROM(can be stored for more than 10 years)

8)Screen display function:

1. Screen chat data input, screen direct touch option

2. The temperature and humidity setting (SV) and the actual (PV) value are directly displayed (in Chinese and English)

3. The number, segment, remaining time and number of cycles of the current program can be displayed

4. Running cumulative time function

5. The temperature and humidity program setting value is displayed by graphical curve, with real-time display program curve execution function

6. With a separate program editing screen, directly input temperature, humidity and time

7. With upper and lower limit standby and alarm function with 9 groups of P.I.D parameter setting,P.I.D automatic calculation, dry and wet ball automatic correction

9)Program capacity and control functions:

1. Available program groups :10 groups

2. Number of usable program segments: 120 in total

3. Commands can be executed repeatedly: Each command can be executed up to 999 times

4. The production of the program adopts conversational style, with editing, clearing, inserting and other functions

5. Program period is set from 0 to 99Hour59Min

6. With power off program memory, automatically start and continue to execute the program function after power recovery

7. The graphic curve can be displayed in real time when the program is executed

8. With date, time adjustment, reservation start, shutdown and screen LOCK function

10)Security protection system:

1. Overtemperature protector;

2. Zero-crossing thyristor power controller;

3. Flame protection device;

4. Compressor high pressure protection switch;

5. Compressor overheat protection switch;

6. Compressor overcurrent protection switch;

7. No fuse switch;

8. Ceramic magnetic fast fuse;

9. Line fuse and fully sheathed terminal;

10. Buzzer;

11)Surrounding environment:

1. The allowable operating temperature range is 0~40℃

2. Performance guarantee range: 5~35℃

3. Relative humidity: no more than 85%

4. Atmospheric pressure: 86 ~ 106Kpa

5. There is no strong vibration around

6. No direct exposure to sunlight or other heat sources

12)Power supply voltage:

1.AC 220V 50HZ;

2.Power: 4KW