Product overview

Think twice about the programmable constant temperature and humidity test chamber (practical)

application
This product is widely used in industries such as aviation, aerospace, information, electronics, and instrumentation.
Perform accelerated wet heat testing, alternating wet heat testing, constant wet heat testing, and temperature humidity combined cycle testing on electrical products, materials, components, and equipment.

Product Features

Clever air duct structure with small temperature deviation.
Imported refrigeration units and key components are all imported brands to improve operational reliability.
Imported computer temperature control instruments are used, with digital display of temperature and reliable operation.

Technical Parameter

Practical configuration and technical parameters
Temperature range: Standard specifications available for selection: 0 ℃ → 100 ℃ -20 ℃ → 100 ℃ 40 ℃ → 100 ℃ 70 ℃ → 100 ℃
Humidity range: 30% to 98% RH
Temperature upper limit: selectable upper limit: 100 ℃ or 150 ℃
Temperature index: Temperature fluctuation: ± 0.5 ℃; Temperature deviation: ± 20 ℃
Humidity deviation: ± 30% RH (when humidity>75% RH)“
± 50% RH (when humidity is ≤ 75% RH)
Test environment: The ambient temperature is+25 ℃, the relative humidity is ≤ 85%, and there is no sample in the test chamber
Testing method:
GB/L 51 70.2-1996 Temperature testing equipment
GB/L 51 70.5-1996 Damp Heat Test Equipment
Test standard:
GB/L 2423.1-2001 Test A: Low temperature test method
GB/T 2423.2-2001 Test B: High temperature test method
GB/L 2423.3-1993 Test CA: Constant Damp Heat Test
GB/L 2423.4-1993 Test CB: Alternating Damp Heat Test
Box material:
Outer wall material: high-quality cold-rolled steel plate, surface spray treated or stainless steel plate SUS304
Inner wall material: stainless steel plate SUS304
Body insulation material: rigid polyurethane foam+glass fiber
Standard configuration: 1 50mm lead hole (located on the left side of the box), 2 layers of stainless steel sample rack, 1 observation window, 4 casters
Working methods: air cooling, mechanical compression, single-stage or binary cascade refrigeration
Compressor: Fully enclosed compressor
Refrigerant: R404A/R23
Controller: touch button operation, LCD display screen, 96 × 96 installation specifications, imported controller
Program function: There are 300 program segments and 30 programs in total. Each program has a maximum of 99 segments and can have 99 loops.
Operation mode: program mode, fixed value mode
Control mode: BTHC balance temperature and humidity control, anti integral saturation P D
Auxiliary functions: fault alarm and cause, processing prompt function, power-off protection function, upper and lower temperature protection function, timing function (automatic start and automatic stop operation), self diagnostic function.
Safety devices: phase sequence and phase loss protection of the main power supply, leakage protection, power-off protection when the distribution control cabinet is opened, upper limit over temperature protection, motor over-current protection, compressor over-current, compressor over-pressure, and condenser fan overheating.