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Constant Temperature and Humidity Test Chamber 800L
1. Instrument introduction
The thermal shock test chamber is an essential test equipment for the metal, plastic, rubber, electronics and other materials industries (aviation, automotive, home appliances, scientific research, etc.). It is used to test material structures or composite materials, and it is subjected to extremely high temperatures and extremes in an instant. The degree of tolerance in a continuous environment at low temperatures allows the chemical or physical damage caused by thermal expansion and contraction to be detected in the shortest time.
2. Fulfill the standard
a,GB/T2423.1-2008(IEC68-2-1)"Cryogenic test method";
b,GB/T2423.2-2008(IEC68-2-2)"High Temperature Test Method";
c,GB/T2423.22-2001(IEC68-2-27)"Temperature Impact Test Method";
d,GJB150.3A-2009"High Temperature Test";
f,GJB150.5A-2009 "Temperature Shock Test"
3. Technical Parameters:
|Inner box size (W*D*H)||350*350*400mm||500*450*450mm|
|Carton size (W*D*H)||1230*1270*1830mm||1380*1370*1980mm|
|Test method||Pneumatic damper switch 2 box or 3 box|
|temperature range||Test chamber||-40ºC~+150ºC||-65ºC~+150ºC|
|Low temperature box||-50ºC~-0ºC||-75ºC~-0ºC|
|High temperature box||Normal temperature ~ +220ºC|
|Heating time||Normal temperature ~ +220 ° C, about 35 minutes|
|Cooling time||Normal temperature ~ -75 ° C, about 70 minutes|
|Temperature recovery time||About 3~5 minutes|
|Inner box material||304 stainless steel|
|Outer box material||Stainless steel or painted|
|Controller||Control interface||Programmable LCD touch screen|
|Program memory capacity||100 sets of programmable|
|Predetermined area||Time: 1 minute ~ 99 hours 59 minutes; Cycle: 1~999 cycles|
|Resolution||Temperature: 0.01 ° C; Time: 1 minute|
|Cooling System||Cooling method||Mechanical compression binary superposition refrigeration|
|Refrigeration Compressors||Semi-closed piston|
4. Box structure and material:
a, Inner box material: Imported SUS304 stainless steel plate, corrosion-resistant, easy to clean, beautiful appearance.
b, Outer box material: high quality carbon steel plate, surface for electrostatic color spray treatment
c, Insulation material: High temperature tank: 24K glass wool
Low temperature tank: high density PU foam + glass wool
d, Heater: bare wire heater
e, Air circulation system: TECO Motor
Stainless steel extension shaft
Multi-wing fan blade
f, Box door: single door, left open
g, Flat embedded handle
h, Door hinge: SUS #304
i, Safety protection device: No fuse overload detection protection, compressor overheating, overcurrent, overpressure, heating dry burning, over temperature alarm system in the box, under phase protection device, buzzer
j, Sample placement rack: stainless steel SUS#304 partition 2
k, Sealing strip: silicone foam is tight
l, Test hole: ¢50MM hole on the left side of the body, 1 with silicone plug 1
5. Controller characteristics:
Adopt human-computer interaction mode, adopt touch input, let users get started quickly
The amount of programs that can be used: up to 120 groups
Repeatable execution of commands: 9999 times per command
Time setting: 0 to 99 hours 59 minutes
Graphical curves can be displayed in real time while the program is executing
Display content: temperature setting (SV) actual (PV) value, execution program cycle, program curve execution function, segment running time, segment time, running time, remaining time, fault status and fault time
Program execution has a jump file, keep function
Language selection: can be adjusted for Chinese and English switching
Impact mode: can be used for 2-slot or 3-slot impact
The production of the program is conversational, with editing, deletion, and other functions.
3 sets of time signal output control (can control the ON/OFF action of the object to be tested)
4 sets of PID parameter settings
With RS-485 interface
With appointment start function
When the machine fails, the fault screen will be displayed and the buzzer will be loud.
With power-off program memory, automatically start and resume program function after power-on
(Optional) USB storage function: backup internal parameters, program settings, operation curve; U disk memory
6. Cooling System:
a, Working mode: mechanical compression binary cascade cooling mode;
b, Refrigeration compressor: imported fully enclosed piston compressor;
c, Evaporator: finned tube heat exchanger;
d, Condenser: Casing radiator (water cooling) / fan blade radiator (air-cooled)
e, Throttle device: thermal expansion, capillary;
f, Evaporative condenser: stainless steel brazed plate heat exchanger;
g, Refrigerator control mode: The PLC (programmable logic controller) of the control system automatically adjusts the operating conditions of the chiller and the compressor return air cooling circuit and energy regulation circuit according to the test conditions.
h, Refrigerant: R404A/R23 (Ozone Depletion Index is 0)
i, Other: Compressor cooling fan (optional according to compressor model size)
7. Heating and air circulation system:
a, The multi-wing centrifugal circulating fan is used to strengthen the shaft center + high-low temperature resistant rotating blade aluminum alloy to achieve forced convection;
b, High temperature/ring temperature exposure fan: 3∮, 400W centrifugal type; low temperature exposure fan: 3∮, 400W centrifugal type;
c, Nickel-chromium alloy electric wire heater;
d, Heater control mode: non-contact periodic pulse width adjustment, SSR (solid state relay)
8. Electrical control system:
(1)Display: Original color touch screen microcomputer large LCD LCD (320*240CLOTS) Chinese and English display.
(2)Mode of operation: program mode.
a. Control object: test area exposure temperature
Preheating temperature in high temperature constant temperature zone
Pre-cooling temperature in low temperature constant temperature zone
Defrost temperature in low temperature constant temperature zone.
b. Indication accuracy: 0.1 °C
c. Input: Thermocouple T DIN
d. Control method: Microcomputer PID+ SSR control
(3)Setting method: Chinese menu, touch screen input.
(4)Program capacity: 1000 sets of programs, each program has a maximum of 3 steps; each program can be set to 2000 cycles, and the maximum cycle setting is 9999 cycles;
(5)Setting range: high greenhouse preheating temperature upper limit: +205 °C; low greenhouse pre-cooling temperature lower limit: -65 °C; test room (sample area): temperature impact upper limit +155 °C; temperature shock lower limit: -65 °C
(6)Display resolution: temperature: 0.1 ° C time: 0.1 min;
(7)Communication function: RS-232 interface, with local and remote communication functions, up to 16 devices can be connected at the same time, the cumulative cable length is up to 800m;
(8)Control method: anti-integral saturation PID, fuzzy algorithm; BTC balance temperature control method;
(9)Auxiliary functions: fault alarm and cause, processing prompt function, fault record, over temperature protection, upper and lower limit temperature protection, power failure protection, sensor up and down wind selection, test pause, alarm output, time signal output, test end output, temperature arrival output , timed start and auto stop function, self-diagnosis function;
a, Microcomputer multi-function control, with various sets of refrigeration compressors, solenoid valves, heating HEATER and other automatic output control functions
b, With safety detection interface device, when an abnormal fault occurs, the fault state is immediately displayed via the LCD text and the power is cut off.
c, It has the function of setting the power on and the shutdown time, which can be set by year, month, day, hour and minute.
d, With the operation and maintenance cumulative time display function, it can be used for machine running time and maintenance reference.
e, The time when the LCD backlight is turned on and off can be programmed by the program to extend the life of the backlight.
f, Multiple screens of single-segment control or multi-segment program can be selected to increase the convenience of operation.
g, Curve drawing function, when the temperature data setting is completed, or the program execution execution screen can be called during the execution of the operation, so as to understand various conditions of setting and execution.
h, The program can be paused (HOLD), skipped (ADV) and other programs are set.
i, With recovery time and test time WAIT function
j, Power failure reset function, you can choose BREAK, COLD, HOT, can be set arbitrarily
k, With timing control interface RELAY can plan the output of external logic drive components (signal, mechanism, power supply and other related auxiliary control)
10. Safety protection device:
(1)Overpressure of the compressor;
(2)The compressor is overheated;
(3)Overcurrent of the compressor;
(4)Circulating cooling water supply under pressure;
(5)Laboratory temperature is too high, too low protection (controller built-in);
(6)Laboratory temperature is too high, too low protection, laboratory door opening protection;
(7)Total power phase sequence and phase loss protection relay, leakage circuit breaker, sample power control terminal, external alarm output terminal;
(8)High/low greenhouse over temperature protection switch, high/low greenhouse over temperature protection (controller built-in);
(9)Circulating fan thermal relay, motor temperature protection;
(10)Compressed air pressure switch, exhaust valve;
a, The ground is flat and well ventilated;
b, There is no strong vibration around the device;
c, No strong electromagnetic fields around the device;
d, No flammable, explosive, corrosive substances and dust around the equipment;
e, Drainage floor drains are provided near the equipment;
f, Ground bearing capacity of the site: not less than 800kg/m2;
g, Environmental conditions: temperature: 5 ° C ~ 35 ° C; relative humidity: ≤ 85%; pressure: 86kpa ~ 106kpa;
h, Cooling water temperature: circulating cooling water temperature: ≤ +30 ° C;
i, Cooling water pressure: circulating cooling water supply pressure: 0.25MPa ~ 0.4MPa; cooling water piping system design and construction should ensure that the inlet pressure of the refrigerator is 0.25MPa ~ 0.4MPa at the rated flow; the refrigerator exits to the cooling tower the pressure drop is not more than 0.05 MPa;
j, Flow rate: 7t/h, (if using the circulating chilled water of the air conditioning system, please pre-specify the user);
k, Air source (compressed air): pressure: (5 ~ 7) kg / cm2; connecting pipe diameter: ∮ 8mm; flow: 0.1 cubic / min;
l, Requirements for the storage environment: When the equipment is not working, the temperature of the environment should be kept within 0 °C ~ +45 °C. When the ambient temperature is lower than 0 °C, the water remaining in the equipment should be drained to avoid the water in the pipeline. Icing up the pipeline.
11. Equipment power supply condition:
a, Power supply voltage: 380V AC (±10%), single-phase line + protective ground wire, grounding resistance ≤ 4Ω;
b, Frequency: 50±0.5Hz
c, Power switch: air switch (60A prohibits the use of knife switch or power socket);
d, The user is required to configure the air or power switch of the corresponding capacity at the installation site, and the switch must be used independently for the device;
e, Power capacity: follow-up requirements
f, This equipment is tested by the quality inspection center of the company before leaving the factory, and presents an inspection report with a validity period of one year
|Free Pre-Sales Consulting
GAOGE-TECH offer 12 hours quick pre-sales response and free consulting. Any kind of technical support is available for users.
We offer progressing solution design to all the users.
|20 Days Quick Delivery
We have mass production and stock & ready item, for these items, we offer 20 days quick delivery time. For big machine and special requirement, we will trade you as the priority customer and to produce your cargo for the first time.
|1 Year Quality Guarantee
GAOGE-TECH 1-year guarantee for our machine. And to become you are our long-term customer, we will prolong the quality guarantee period especially for you.
|12 hours Quick Feedback & After-Sales Service
We will offer "Training Video", "Instruction Book", "Operation Manual" to you, which is easy to learn and operate.
We will supply brochures for simple trouble-shootings of the machine, which will help you deal with the common problems happened to the machine.
We will offer plenty of technical support online, just like detailed technical and installation instructions. For example, when you meet a maintenance problem, we will make a video with completed and detailed operation process according to the problem, it just seems that I am on the spot by your side to instruct you how to deal with the problem.
|Quick Back-up Parts Available & Technical Assistance
Our extensive inventory of spare parts means replacements get shipped to you as quickly as possible. Immediate technical assistance is only an email or phone call away.
|Free Training Service
We insist that our customers receive personal, hands-on training with every machine we sell. This training is free, and we will work with you for as long as it takes to ensure you feel comfortable operating your machine. We pride ourselves on our expertise and our ability to educate our customers in the installation, proper maintenance, and most efficient use of GAOGE-TECH machines.
|Special Designing, Customized, OEM Order is accepted
GAOGE-TECH is rather willing to help you to realize your special testing and requirement by our innovative ability. So please do not hesitate to contact us when you need special design or customized machine and OEM machines.
16.Packaging & Shipping
1.Inside is covered with plastic film before we put them into the plywood, which has good transparency, impact resistance, tasteless and prevent moisture corrosion.
2.Outside is strong plywood and accord with export standards.
3.We can ship testing equipment according to customer request.