Main functions of the device:

Mold testing chamber is used to test the adaptability of aerospace products, information electronic instruments, materials, electricians, vehicles, metals, electronic products, and various electronic components during transportation, storage, and use in High humidity environments

Performance indicators and system composition of mold testing machine

Model GC-MJ-1000

The sample restriction mold test chamber prohibits the testing of flammable, explosive, and volatile substance samples; Testing for storing samples of corrosive substances, testing for storing organisms, testing and storing samples of strong electromagnetic emission sources

Volume, weight, and size

Nominal internal volume 1000L

The effective size of the inner box is 1000 × 1000 × 1000 (mm) W × H × D

Exterior space approximately 1500 × 1870 × 1500 (mm) W × H × D

Weight approximately 500kg

Power, current, and power supply

Maximum power of 15KW

Maximum current of 18A

Power supply conditions

And power supply

AC380V three-phase four wire+protective grounding; The allowable voltage fluctuation range is ± 10% V;

The allowable frequency fluctuation range is 50 ± 0.5HZ; TN-S power supply or TT power supply

The grounding resistance of the protective grounding wire is less than 4 Ω

Require users to configure corresponding capacity air or power switches for the equipment at the installation site, and this switch must be independently controlled. When placing powered samples in the equipment use box, please use an external power source for the sample power supply and do not directly use the local power supply;

performance index 

Environmental conditions for use: ambient temperature of 5-30 ℃, relative humidity ≤ 85% R.H

Temperature and humidity range: 10-80 ℃

Humidity range: 40-98% R.H (as shown in the figure)

Control accuracy Temperature resolution: 0.01 ℃ Humidity resolution: 0.1% R.H

Temperature deviation: ± 1.5 ℃ Humidity deviation: ±2%R.H

Temperature uniformity: ≤ 2 ℃ Humidity uniformity: ≤ 3%R.H

Temperature fluctuation: ± 0.5 ℃ Humidity fluctuation: ± 2% R.H

Note: Testing environmental conditions: ambient temperature of+25 ℃, relative humidity ≤ 85% R H、 The value measured under the condition of no sample.

Execution standards and testing meet condition 1 GJB150.10A-2009 Damp Heat Test Method

2 GBT 2423.16-2008/IEC6008-2-10: 2005 Mold Growth Test Method

3. GB-T5170.18-2005 Basic parameter calibration method for Environmental testing equipment for electrical and electronic products Temperature/humidity combined cycle testing equipment

4. GB-T10586-2006 Technical Conditions for Damp Heat Test Chamber

structure characteristics

Box structure, inner box material: SUS304 # stainless steel, 1.2mm thick

Outer box material: SUS304 # stainless steel 1.0mm thick

Insulation material: Polyurethane foam adhesive 100mm thick

The control box and test box are integrated left and right structures

The air conditioning channel is equipped with an air chamber, a circulating air duct and a stainless steel circulating fan. Through the top back leaf window and a diffuser, the air is blown out evenly from the top, and the temperature and humidity in the mixing room are distributed to the test space, so as to achieve the goal of evenly controlling the temperature and humidity

Wind speed 0.5m/s

Box door single door, flat handle

Anti condensation electric heating device

Vacuum automatic defogging transparent window

Window lighting fixture

One ф 50mm hole is opened on the left side of the laboratory (with the person facing the front of the machine and the person on the left side), and a sealing device is installed

Observation window transparent electric heating film insulated tempered glass (located on the door) (with anti condensation function), size 270X360mm

Control panel TEMI 2500 LCD touch programmable controller imported from South Korea

Lighting switch, main power switch, emergency stop switch, adjustable over temperature protector, RS-232 communication interface

Mechanical room refrigeration unit, exhaust fan, drainage device, adjustable back blade window, steam outlet

Distribution control cabinet main power circuit breaker, controller, distribution board, cooling fan, over temperature protector

The heating system adopts a scale heat dissipation heating tube P.I.D to control heating and achieve temperature balance

The humidification and dehumidification system adopts an external humidification method, where the compressor starts dehumidification and the P.I.D controls the humidification amount to achieve the required humidity

The pure water filtration unit of the water replenishment system replenishes water, and the humidification replenishment is automatically supplied by a water pump, making it easy to use

refrigeration system

In order to ensure the cooling rate and minimum temperature requirements of the laboratory, this laboratory adopts a one element compression refrigeration system, which includes a high-temperature refrigeration cycle, and heat exchange is achieved through an evaporative condenser

The refrigeration compressor adopts a high-temperature compressor

Cooling method: Peak cooling scale condenser, cooling fan for heat dissipation

Evaporator finned tube heat exchanger

Throttling device capillary tube

The oil separator separates the frozen oil droplets mixed with the high-temperature and high-pressure refrigerant gas discharged from the compressor, and returns them to the compressor's curved track chamber for lubrication and cooling purposes

The dry filter absorbs residual moisture and acidic substances in the refrigerant of the refrigeration system, and filters out solid impurities, copper chips, etc. in the system, protecting the normal operation of the expansion valve and capillary tube from ice blockage and dirty blockage

The refrigerant used in this refrigeration system is the environmentally friendly refrigerant R404a

electric control system 

Imported controller, which controls temperature and humidity separately

SAMWON from South Korea, color touch screen control TEMI2500

Screen display function: Temperature and humidity settings (SV) and actual (PV) values are directly displayed

Can display the execution program number, segment number, remaining time and number of cycles, and display the running time

Program editing and graphical curve display

With a separate program editing screen, each page can input 4 segments of temperature, humidity, and time

Fixed point or program action status display

Language conversion can switch between Chinese/English

5.7 "True Color Display Screen

Program capacity and

The maximum number of programs that can be used for control functions is 120 groups, and one program can be composed of 1-100 segments

Available memory capacity: 1200 SEGMENT

Repeatable command execution: Each command can be executed up to 999 times

The slope setting of the program can be set by the timeline

Each segment between programs can be set to a maximum of 99 hours and 99 minutes, with a minimum of one minute, and can be linked for use

It has functions such as editing, clearing, inserting, etc

4 sets of time signal output control (controllable on/off action of the test object)

Has 9 sets of PID parameter settings

During program execution, there is a skip and hold function

The screen can be adjusted for backlight and the backlight time can be set

The screen display protection function can be set to be timed or manually turned off

Program replication, COPY,  Connection function, editing experiment titles and other program editing functions

PID automatic calculation and FUZZY control function

Equipped with power-off program memory, automatically starts and continues to execute program functions after power restoration

Equipped with scheduled startup and shutdown functions

Equipped with date and time adjustment functions

Button and screen lock (LOCK) function

RS-232

The communication interface can be connected to a computer to display curves and obtain data

Can be used as a monitoring and remote control system

Can be used for synchronous control of multiple machines

SD memory card is used to store test data and test curves, with a standard storage capacity of 2G and expandable up to 4G

Setting method: Chinese/English interface, touch input

Running mode, program mode/fixed value mode

Set the maximum temperature range with upper and lower limits of 5 ℃

Display resolution temperature: 0.01 ℃; Humidity: 0.1%; Time: 1min;

The power-off memory function can set the power-off recovery mode to: hot start/cold start/stop

The scheduled startup function allows for the setting of the startup time at will, and the machine will automatically run when the power is turned on

Temperature measurement body PT100 platinum resistor

The curve recording function has RAM with battery protection, which can save the set values, sampling values, and sampling time of the device; The maximum recording time is 60 days (when the sampling period is 1.5 minutes)

Software usage environment: IBM PC compatible machine, CPU with P Ⅱ or above, 128MB or above memory, Simplified Chinese Windows 2000 or Simplified Chinese Windows XP operating system

Set range temperature: Adjust according to the temperature working range of the device (upper limit+5 ℃, lower limit -5 ℃)

Input platinum resistor/DC 1-5V input

Wet heat system water supply

Fully automatic water supply method

Three section filtration unit of water supply device

The water supply quality requires a resistivity of ≥ 500 Ω; m

Safety protection device

Refrigeration system compressor overheating, overcurrent, overpressure, condensing fan overheating

Test box extreme overheating, fan, motor overheating relay

Humidification system with wet heat pipe dry burning, abnormal water supply, abnormal drainage, and abnormal water shortage

Power leakage protection, phase loss and reverse phase protection, overload and short circuit protection

Storage environment requirements: The equipment environment temperature should be maintained within 0 ℃ to+35 ℃

The installation site requires that the distance between the left, right, and rear wall panels of the test box and the wall should not be less than 800mm, and the distance between the front and the wall should not be less than 1000mm. When transporting equipment, whether it is possible to enter the entrance or passage, elevator, etc., to avoid affecting the progress of your company's project.

Transportation method: Whole machine transportation

Acceptance criteria and third-party verification

1. Acceptance criteria: Technical indicators shall be in accordance with the methods specified in the "Technical Agreement" signed by both parties.

2. Acceptance method: Formal acceptance shall be conducted on the site of the purchaser.

3. If the purchaser needs to invite a third party (verified by the National Environmental Testing Equipment Quality Inspection Center and issued a valid inspection report) to participate in the acceptance before leaving the factory, the cost shall be borne by the purchaser. If the first acceptance is not qualified, the cost incurred during the second acceptance after improvement by the supplier shall be borne by the supplier.

4. The customer entrusts the National Environmental Testing Equipment Quality Inspection Center to conduct calibration on their own.