Thermal Shock Test Chamber

Restrictions

The test equipment is prohibited:
Flammable, explosive, volatile substances test or sample storage
Test samples or storage of corrosive substances
Testing or storage of biological specimens
Testing or storage of specimens strong sources of electromagnetic radiation

Performance

Environment condition

Ambient Temp. of +25 ℃, relative humidity ≤ 85%

Test Method

GB/T 5170.2-1996 Temp. testing equipments

Heat Room

R.T.～＋180℃

Cool Room

R.T.～‐70℃

Temp. shock   range

-55～+170℃

Temp.fluctuation

±0.5℃

Temp. deviation

±2.0℃

Revert time

≤5min

Test standards

Low Temp. Test Methods: A GB / T 2423.1-2001 Test
High Temp. test method: B GB / T 2423.2-2001 Test
GB/T2423.22-2002 Test N: Change of Temp. test methods Na
GJB 150.3-1986 high-Temp. test
GJB 150.4-1986 low Temp. test
GJB 150.5-1986 Temp. shock test
GJB 150.7
GJB 367.2
DIN 40046-14, test Na,
IEC-60068-2-14, Test Na
MIL-STD-810 E, method 503
MIL-STD-883 E, Method 1010.7 conditions A, B, C, D, F
EDEC Standard JESD22-A101-A
GB, GJB, DIN, IEC, MIL and other standards; which according to MIL 883 E   Method 1010.7, Class D requirements

Structural features

Insulation envelope

Wall material: stainless steel double-sided, surface spray
The inner wall material: stainless steel SUS304
Cabinet insulation materials: rigid polyurethane foam + fiberglass
Door insulation materials: glass fiber

Air conditioning

Fan, heater, evaporator, Temp. sensor

Standard   configuration

Top with a diameter less than 50 mm hole lead  
Sample shelves: 2

Adjust the feet   and the adjustment wheel

Adjustable feet: 6, with the support chamber

Regulating wheel: 6, moving chamber

Door

Down single door, hinged left and right hand; observation window 355 x 355 mm, the observation window with electric heating anti-condensation feature.

Control panel

The controller display, status indicator, over-Temp. protection setting, a main power switch, RS-485 & RS-232 & LAN communication interface.

Machine room

Refrigeration units, The drainage device, exhaust fan

Distribution control cabinet

The total power leakage circuit breakers, controllers, power distribution panels, cooling fan, fan motor Temp. cycling

Heater

Nickel-chromium alloy heating wire heater

Heater control: non-contact period, such as pulse width modulation, SSR

Refrigerating   system

Working mode

Using chloride-free refrigerant R404A and R23A

Compressor

Imported compressors

Evaporator

Finned-tube heat exchanger

Condenser

Finned-tube heat exchanger

Throttling   device

Thermal expansion valve or capillary

Evaporative   condenser

Stainless steel welded plate heat exchanger

Refrigerator Control

PLC control system (programmable logic controller) automatically adjusts the operating conditions of the refrigerator according to the test conditions
Return air compressor cooling circuit
Energy regulation loop

Safety devices

Refrigerating   system

Compressor overpressure  
Compressor overheating
Compressor overcurrent

Others

The total power phase sequence and phase loss protection relay
Circuit Breaker
Over Temp. protection
According to EN 60 519-2 1993, thermal safety two independent adjustable Temp.limiter minimum Temp. / maximum Temp., the test configuration of the mobile space   Temp. sensor, a Temp. can be adjusted separately

Other configuration

Power Circuit Breaker

AC380V, 50Hz, three-phase four-wire + protective earth

Conditions of Use

Ensure that the   following conditions by the user

Installation site

Ground level, well-ventilated
Peripheral equipment without strong vibration
No strong electromagnetic fields around the device
Peripheral equipment non-flammable, explosive, corrosive substances & dust
Near the equipment with floor drain
Load-bearing capacity of the venue ground: not less than 800kg/m2
Left around the appropriate use of equipment and space for maintenance

Environmental Conditions

Temp.: 5 ℃ ~ 35 ℃
Relative humidity: ≤ 85%
Pressure: 86kPa ~ 106kPa
Water Temp.: 5 ~ 29 ℃

Power supply

AC380V ±10%