| Product Name | Three-type Thermal Shock Chamber |
| Model | KJ-2092 |
| Sample prohibit | Prohibit puting inflammable,explosive,effumability or corrosive
sample in the the chamber. |
| Volume,size and weight |
| Inner volume | 225L |
| Inner size | W50XH75XD60cm |
| Chamber performance |
| Test environment | Environment temperature is+25℃,relate humidity ≤85%(Without sample
in test chamber) |
| Test Methods | GB/T 5170.2-1996 temperature test equipment |
| High temperature room | |
| Pre-heat temperature | +60℃～+250℃ |
Heating Time
| +60℃→+250℃ ≤40min Remark:heating temperature time is the performance of high
temperature test room in temperature Remark:The heating time is the performance of the high temperature
chamber when it is running alone |
| Low temperature room | |
| Pre-cool temperature room | -70℃～-10℃ |
| Cooling temperature room | +20℃ → -70℃≤70min Remark:Cooling time is the performance of low temperature test room
in operation |
| Test room(sample area) |
| Test Methods | Pneumatic air door changes high temperature area and low
temperature area |
| Temperature Shock range | -60℃～+165℃ |
| Temperature fluctuation | ±0.5℃ |
| Temperature deviation | ±2.0℃ |
Temperature recovery time Recovery condition
| ≤5min sample:plastic encapsulated integrated circuit load cells place:Up
wind directin of sample High temperature exposure: +165℃:30 minutes Environment temperature exposure:--- Low temeprature exposure: -60℃:30minutes Sample weight:2.5kg |
| Standards | GB/T 2423.1-2001 Test A:Low temperature test methods GB/T 2423.2-2001 Test B:High temperature test methods GB/T2423.22-2002 Test N:Temperature changing test methods Test Na GJB 150.3-1986 High temperature test GJB 150.4-1986 Low temperature test GJB 150.5-1986 Temperature shock test |
| 6. Structure features |
heat preservation Structure | Outside chamber material:Stainless steel plate SUS304 Inner chamber material:Stainless steel plate SUS304 Chamber heat preservation material:polyurethane foam+glass fibre Door heat preservation material:glass fibre |
| Air adjust passageway | Wind-motor,heater,evaporimeter,air door,temperature transmitter |
Chamber standard configuration | Wire hole :1 pcs,in the left of chamber,diameter φ50mm circular hole sample shelf:1 pcs |
Adjust foot and wheel | Adjust foot:4 pcs,used to support test chamber Adjust wheel:4pcs,used to move test chamber |
| Test chamber door | Single opening,left hinge,right handle(refer to chart 6.13) |
circulating fan High temperature exposure Low temperature exposure |
3φ,400W,Centrifugal type 3φ,400W,centrifugal type |
| Control panel | Controller display screens,fault indicating lamp,timer,USB
connector,over-temperature protector,power switch |
| Machinery room | refrigerating device,drainage device,exhaust fan |
| power distribution control cabinet | Power leakage breaker,controller,switch panel,heat dissipation wind
motor,high-low circulating fan motor |
| Heater | Nichrome strip heater Heat controlling way:contactless recurrent pulse adjusting
width,SSR(solid-state relay) |
| Wire hole and drainage hole | In the back of chamber |
| Chamber external view |
|
Test chamber parts name and function
| NO | Name | Function |
| 1 | high temperature room | Store heat energy |
| 2 | Test room | putting sample place |
| 3 | Low temprature room | store cold energy |
| 4 | power panel | Include power switch, sample controlling terminal,sample power controlling terminal,external warning output terminal,test finishing output terminal,temperature reaching output terminal, RS-485 communication interface,operation panel loce.
|
| 5 | Operation panel | Include controller,fault indicating lamp,overtemperature
protector,temperature recorder(choose part) |
| 6 | Power distribution | Insalling electric component |
| 7 | machinery room | Installing refrigerating device and exhaust fan
|
| 8 | air inlet | Absorb outside air when in environment temperature exposure
|
| 9 | Exhaust outlet | exhaust air from machinery room and test room
|
| 10 | Temperature recorder(choosing part) |
| 7. Refrigerating system |
| Working way | Machinery compress binary cascade condenser refrigeration way |
Refrigeration compressor | German Copeland self-closed compressor |
| Evaporimeter | finned tube type pipe heat exchanger |
| Condenser | Tube heat exchanger |
| Throttling device | Thermostatic expansion valve,capillary |
| Evaporative condenser | stainless steel brazing sheet type heat exchanger |
| Refrigerator controlling way | Controller system PLC(programmable logic controller) Adjust refrigerator automatically Compressor cooling return circuit Energy regulating loop Condensation pressure-regulating valve |
| Freezing medium | R404a/R23(ozone index number is 0) |
| Others | Compessor cooling fan Circulate cooling tower |
| 8. Electrical control system |
| Controller model | Korea TEMI880S type touch screen controller |
| Displayer | 256X128 point,30line X40 words LCD liquid display |
| Operation methods | Procedure way |
| Setting way | English language,LCD touch screen panel |
| Procedure capacity | Max 120 groups, every group has 99 sections,every order can reach
999; program segment time setting is 0～99Hour59Min. |
| resolution ratio | temperature:0.1℃；time:0.1min |
| Input | PT100 |
| Controll methods | PID,fuzzy arithmetic BTC balance temperature-adjust controlling methods |
| Curve recording function | Can show the curve resule when operation |
| Affiliated function | Has memory function if power interrupts,can adjust date,time,has
menu LOCK function. |
| 9. Safety protection device |
| Refrigerating system | Compressor overpressure Compressor overheat Compressor overcurrent circulating cooling water undervoltage |
| Test room | Test room overtemperature,low-temperature protection(controller
inside) Test room door protection |
| Others | phase sequence and Default Phase protective relay Leakage brealer.power controlling terminal,external warning output
terminal,high/low temperature protector,motor temperature
switch,circulating fan thermorelay,compress air pressure switch,air
evacuation valve |
| Transport | Test chamber is unitary |
| Service conditions |
| Environment condition | Temperature:5℃～35℃ Humidity:≤85% Pressure:86kPa～106kPa |
circulating cooling water Water temperature Water pressure
| circulating cooling water temperature:≤+25℃ circulating cooling water water supply:0.25MPa～0.4MPa Refrigerator entrance pressure is:0.25MPa～0.4MPa,Refrigerator exit
to cooling cooling tower pressure is not more than 0.05MPa. |
| Flow amount | 7t/h |
water pipe connector Others | refrigerating device DN40,nipple connector 1pcs
|
Air supply (compressed air) | Pressure:(5～7)kg/cm2 Nozzle diameter:φ8mm Flow amount:0.1m3/min |
Power supply
| 3 phase AC380V Power:AC(380±38)V frequency:(50±0.5)Hz |
| Max current | 60A |
| Store enviroment | Environment temperature is 0℃～+45℃ When temperature is below 0℃,please discharge the water in chamber. |
