Low Temperature Test Chamber
Product Overview
The Low Temperature Test Chamber is a programmable temperature and humidity chamber for rubber, plastics, electronic components, and assembled products. It is used for environmental qualification, storage-condition simulation, material screening, and cyclic testing during product development and production validation.
Core Advantages
Wide Temperature and Humidity Envelope
The ZY-GDW-100L controls temperature from -40°C to 150°C and humidity from 20% to 98% RH. Temperature fluctuation is ±0.5°C and temperature deviation is within ±2°C, allowing hot, cold, damp, and combined cycles to be compared under defined chamber conditions.
Controlled Heating and Refrigeration Response
Under no-load conditions, the chamber heats from room temperature to 150°C in about 50 minutes and cools from room temperature to -40°C in about 50 minutes. The sealed Tecumseh compressor and dedicated refrigeration circuit reduce waiting time between alternating temperature stages.
Programmable Multi-Cycle Operation
The 7-inch touchscreen stores 20 program groups, with each group repeatable up to 9,999 times, and displays the running curve in real time. Long cyclic sequences can be executed without manual setpoint changes, keeping dwell and transition stages on the programmed schedule.
Customization Capabilities
Internal volume, shelf spacing, and access-port locations can be produced from specimen and wiring drawings. External sensor routing and data communication can be specified for the test installation. Controller language and power supply can be matched to the destination laboratory.
Quality Control
Temperature and humidity sensors are checked at multiple reference points before installation. After assembly, the refrigeration circuit is leak-tested, the door seal and condensate path are inspected, and heating, cooling, and humidity response are recorded through a complete cycle. Safety protection, alarms, and the final empty-chamber mapping test are completed before packing.
Technical Parameters
|
Item |
Parameter |
|
Model |
ZY-GDW-100L |
|
Internal Dimensions (W × D × H) |
500 × 400 × 500 mm |
|
External Dimensions (W × D × H) |
1050 × 1000 × 1600 mm |
|
Temperature Range |
-40°C to 150°C |
|
Temperature Fluctuation |
±0.5°C |
|
Temperature Deviation |
≤ ±2°C |
|
Heating Time |
Room temp → 150°C approx. 50 min (no load, non-linear) |
|
Cooling Time |
Room temp → -40°C approx. 50 min (no load, non-linear) |
|
Humidity Range |
20%–98% R.H. |
|
Humidity Fluctuation |
±3% R.H. |
|
Humidity Deviation |
≤ ±3% |
|
Inner Material |
SUS304 stainless steel |
|
Outer Material |
Cold-rolled steel with coated finish |
|
Compressor |
French Tecumseh sealed compressor |
|
Refrigerant |
Environmentally friendly R404A |
|
Controller |
7-inch Kunlun Tongtai touch screen |
|
Power Supply |
Single phase, 4.5 kW, 220 V, 50 Hz |
FAQ
Q: Can you provide a free sample?
A: No. Complete test chambers are not supplied as free samples.
Q: Which shipping term is supported?
A: FOB is the standard trade term.
Q: Can powered specimens or external sensors be connected during a test?
A: Yes. The 50 mm access port allows cables and sensor leads to pass through the chamber wall.
Q: What happens if power is interrupted during a program?
A: The controller saves the settings and resumes operation after power is restored.
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