Test chamber outline drawing

• High-Temperature Zone
• Test Zone
• Low-Temperature Zone
• Main Power Switch
• Control Panel
• Electrical Cabinet
• Mechanical Compartment
• Air Inlet
• Exhaust Outlet
• Temperature Recorder (optional)

Application (Use Restrictions)
This test equipment must not be used for testing or storing:

• Flammable, explosive or highly volatile samples
• Corrosive substances
• Biological samples
• Samples that generate strong electromagnetic emissions

These restrictions are required to ensure safe operation and protect both the chamber and the operator.

Specifications

Temperature range of test area	-40℃~150℃, -60℃~150℃, -65℃~150℃ ( optional)
	High temperature range: +60℃~150℃
	Low temperature range: -10℃~150℃
Testing environment conditions	Ambient temperature: +28 ℃ Relative humidity: ≤ 85% Conditions measured with no sample inside the test chamber
Preheating temperature range	+60℃～+150℃
Heating-up time	+60 ℃ → +150 ℃: ≤ 40 min Note: Performance measured with the high-temperature chamber operating independently.
Low temperature chamber	Note: The heating-up time listed above refers to the performance of the high-temperature chamber operating independently.
Precooling temperature range	-55℃～-10℃
Cooling time	+20 ℃ → –55 ℃: ≤ 70 min Note: Cooling performance is measured with the low-temperature chamber operating independently.
Testing method	Switches between two or three temperature zones using a pneumatic ventilation door.
Temperature shock range	-40℃～+150℃
Temperature fluctuation	±0.5℃
Temperature departure	±2.0℃
Temperature recovery time	≤ 5min
Recovery condition (Chart One)	Sample: plastic-packaged integrated circuit (uniformly distributed) Sensor position: upper side of the sample High-temperature exposure: +150 ℃ for 30 minutes Environment-temperature exposure: — Low-temperature exposure: –40 ℃ for 30 minutes Sample weight: 2.5 kg

Hot and Cold Impact Model Introduction

• Appendix: [2-Zone] Setting
  For a two-zone thermal shock test (high temperature ⇄ low temperature), select 2 Zone mode.
• Operating sequence:
  Low-temperature start → Preheating / Precooling → Low-temperature impact → High-temperature impact
  High-temperature start → Preheating / Precooling → High-temperature impact → Low-temperature impact
• Note: A [3-Zone] setting is also available.
  If the test requires thermal shock cycling between high temperature, room temperature, and low temperature, select 3 Zone mode.

Operation System
Structure

• Heat-insulated chamber enclosure
  Outer wall: cold-rolled steel sheet with stoving varnish
  Inner wall: SUS304 stainless steel plate
  Body insulation: rigid polyurethane foam + glass fiber
  Door insulation: glass fiber
• Air conditioning channel
  Includes fan, heater, evaporator, air damper, and temperature sensor.
• Standard chamber configuration
  One lead-through port located on the left side of the chamber body (φ50 mm round hole).
• Test chamber load capacity (uniformly distributed)
  Two sample baskets, each with 5 kg load capacity.
• Leveling feet and casters
  Equipped with 4 leveling feet for stable support and 4 casters for movement.
• Test chamber door
  Single-opening door with left-side hinge and right-side handle (see Test Chamber Outline Drawing).
• Circulating fan
  High-temperature / ambient-temperature exposure: 3φ, 400 W, centrifugal type
  Low-temperature exposure: 3φ, 400 W, centrifugal type
• Control panel
  Includes controller display screen, fault indicator, hour meter, RS-232 interface, over-temperature protection setting, and main power switch.
• Machine room
  Contains the refrigeration system, drainage device, and exhaust fan.
• Power distribution control cabinet
  Houses the main leakage circuit breaker, controller, distribution board, cooling fan, and motors for high- and low-temperature circulation.
• Heater
  Nickel-chromium alloy strip heater.
• Heater control mode
  Non-contact pulsed SSR (solid-state relay) control.
• Power cable port and drain port
  Located at the rear of the chamber.