1. Introduction
The constant temperature and humidity test chamber is widely used
in scientific research, research institutes, quality inspection
institutes and other industries to do warm and humid heat tests of
electronic and electrical products, materials, parts, equipment,
etc., alternating heat test and constant temperature test, etc.
Also could do high and low temperature routine tests, low
temperature storage, in order to evaluate the performance of the
sample under given environmental conditions.
It's widely used for industries of Electronic and Electric,
Equipment and Instrument, Plastics & Rubber, Construction,
Communication, Research and institute, Energy and Laboratories,
etc.
2. High temperature limits of test chambers
There are many types of test rooms, but they all have high and low
temperature limits. Let's take a look at the typical high
temperature thresholds and why they exist.
The test chamber typically has a wire heater made of a material
called Nichrome. By placing a continuous heating bead, a greater
amount of heat is produced. The result looks like a toaster inside.
The fan circulates the air through the heater, so the indoor sample
is not exposed to radiant heat. It is very easy to add a heater and
increase the speed and / or upper limit of the chamber.
The SANWOOD chamber typically has a high temperature limit below
200 ° C. This is why a room of high temperature restrictions exist
in the decomposition
3. Standard Met and Implemented
GB/Bb T2423.2-89 high temperature test method
GB2423.1-89 test A: low temperature test method
GJB150.4-1986 test at low temperature
IEC60068-2-1 low temperature test method
IEC60068-2-38 temperature cycle
IEC60068-2-78 constant humidity temperature
MIL - STD - 202G - 103B humidity test
IEC60068-2-30 humidity temperature cycle
GB/T2423.3 constant humidity heat test method
4. Temperature Humidity Test Chamber Parameter Specifications
The specifications is measured in the environment of + 25 ℃,
temperature and humidity performance measurement comply with
related regulation of IEC 60068-3 standard; Sensors placed in the
air outlet.
| Model | SMC-150-CA | | Temp. range | 0°C ～150°C | | Display resolution | 0.1°C | | Temperature stability | High±0.5°C ,low ±1.0°C | | Temperature uniformity | ±2.0°C | | Heat up time | 0°C ～+100°C,within 45 min | | Pull down time | +80°C ～0°C,within 60 min | | Interior material | Stainless Steel Plate ( SUS 304) | | Exterior material | A3 plate | | Insulation material | Rigid polyurethane Foam and Glass Fiber Wool | | Total power | 7KW(heater 3KW included) | | Max current | 13.6A | | Ambient Temp. | +5°C ～+35°C | | Power Supply | | AC 380V±10％ 50Hz ,3 phase 4 wires +Ground Wires | | Weight | 420KG | | Sight window size | 250 X 350mm | | Sample holder | 2 pcs | | Fittings | cable port(portΦ50mm)*1, size is optional | | Safety device (standard) | No fuse breaker,over pressure,over heat&over current
protect,over temp. | | protect, over load protect for blower, dry heat protect | | Control System | Balanced Temperature & Humidity Control (BTHC)System | | Refrigeration system | Air Cooled (Water Cooled is option) | | Hermetic compressor | | Double stage refrigeration system, | | R408 AND R23 | | Controller | 5'7-inch LCD Touch Screen panel | | Operation model :Program or fix point running | | Memory capacity :120programs,1200steps, | | All repeat 999 cycles, part repeat 99 cycles | | Note: 1. We reserve the right to change specifications without
prior notice 2. Customized sizes and configurations available |
|
5. Chamber details
Chamber Front view
Observation window: tempered glass with lighting
15L drawer type water tank, located in front of the machine, under
the door.
Stainless steel sample holder 2 layers, height is adjustable,
load-bearing (uniform): 20kg/layer
Our circuits are arranged in accordance with international UK
standards and are equipped with complete circuit diagrams. Each
line has a clear line number, which is clearly defined and clearly
defined. We use electrical components of internationally renowned
brands, such as France Schneider, Switzerland Carlo Gavazzi ,Japan
Mitsubishi, Korea Rainbow, Korea SAMWONTECH and so on.
Unique self-made polished door lock design, using the principle of
leverage, the door is closed and easy to operate, reliable, stable,
durable, easy to operate, long life.
Unit module standardization: Convenient installation, commissioning
and subsequent maintenance are more convenient and cost-effective.
Environmental test standards establish criteria for a product’s,
material’s, or component’s ability to withstand different
environmental conditions for a period of time or over a projected
lifetime.
Standards vary according to the industry, the type of item being
tested, and its intended use. Examples of environmental or climatic
conditions to which standard testing parameters apply include:
- Extremely high and low temperatures
- Rapid variations in temperature
- Humidity variations
- Salt spray and salt fog
- Vibrations
- High and low pressures
Environmental test standards apply to a wide variety of industry
sectors, and some standards apply to more than one industry. These
are some examples of specifications organized in alphabetical
order:
