Intelligent Auto Parts Lab Temperature Humidity Chamber High Precision Test For Electronics

Able to accurately simulate a wide range of complicated natural environments, and is suitable for reliability

test in industrial products. Meet GB5170.2.3.5.6-95 standard requirements of environmental testing equipment

and test methods for the basic parameters of electric and electronic products under the condition of humidity,

low temperature, high temperature, and constant heat.

Applicable to environmental adaptability and reliability test in such industrial units as electronics, electrical

appliance, battery, plastics, food, paper product, vehicle, metal, chemistry, building material, research

institution, inspection and quarantine bureau, university etc..

● GB-2423．1-89(IEC68-2-1)Test A:Low Temperature Test

● GB-2423．2-89(IEC68-2-2)Test B:High Temperature Test

● GJB360．8-87(MIL-STD．202F) High Temperature Life Test

● GJBl50．3(MIL-STD-810D) High Temperature Test

● GJBl50．4(MIL-STD-810D) Low Temperature Test

● GB2423．3-93(IEC68-2-3)Test Ca:Constant Heat Test

● GB2423．4-93(IEC68-2—30)Test Db:Damp Heat Alternative Test

● GJBl50．9-93(MIL-STD-810D) Damp Heat Test

Bypass mode to adjust cooling capacity to achieve a constant

temperature and humidity effectively

※Using company owned brand KOMEG KM-3166 LCD touch screen

controller with PID control parameters setting

※Flexible approach for data collection and recording

※Key parts are imported, ensuring the service life and high reliability

※Efficient oil separator to ensure the service life of the compressor

±3.0％RH(＞75％RH)

±5.0％RH(≤75％RH)

Overall structure and chamber was composed of three parts as below.

Insulation box, separate refrigeration units, and electrical control cabinet.

※ wall material: high-quality carbon steel with static color spray

※ inner wall material: SUS304 # matte stainless steel plate

※ Insulation materials: rigid polyurethane foam insulation layer + glass fiber.

Heating wire was installed at the door frames to prevent condensation at low

temperatures.

Forced ventilation loops design, balance temperature & humidity control

system (BTHC).

Top-mounted diffuser to ensure uniformity of temperature and humidity

Long axis centrifugal fan, evaporators, heaters, humidifiers was installed

on air conditioning box

Quality nickel-chromium alloy wire electric heaters,

Non-contact control mode (SRR).

Sine wave pattern aluminum finned copper tube air heat exchanger

(air-cooled)

Basin heated humidification

Stainless steel sheathed heater

Heater control: non-contact period, such as pulse width modulation,

SSR (solid state relay)

Water level control devices, anti-dry unit heater

Thermal expansion valve & Capillary

10. Parts and its Brand

※ Nitrogen welding, two-stage rotary vane vacuum pump, ensure that

the internal cooling system clean and reliable.

※water tray located at the bottom of the compressor to ensure condensate

water drain through pipe freely at the rear of the chamber.

KOMEG brand KM-3166 LCD Touch screen controller with PID control

parameters setting

Temperature and humidity settings (SV) Actual (PV) value can be

displayed directly,

Execution of the program can display numbers, Paragraphs, remaining

time and cycles, running time display,

Program editing and graphic curve display,

Fixed or program operation status display,

7-inch TFT display screen.

Temperature can be adjusted based on the working temp of the equipment

(the upper limit +5 ℃, the lower limit -5 ℃)

Data collection when connected to a computer

Can be used as monitoring and remote control system,

Multiple machines synchronization control available.

RAM with battery protection settings, data can be saved, maximum

historical data memory storage is 90 days (when the sampling time is 1min)

boot time can be set freely and machine runs automatically when turning

on power

Fault alarm and causes handling prompts, power protection, the lower limit temperature protection, timer function (automatic start and automatic

stop running), self-diagnostic function.

1. Power distribution

Control cabinet

※ Cooling fan

※ Switchboard

※ Specimens terminal

※ RS-485 physical interface (if purchase centralized monitoring software )

※ The total power leakage circuit breaker.

2. Parts and its Brand

Note: Two options listed is for alternate choice and backup purpose

3.1 Cooling System:

※ Compressor overpressure protection

※ Compressor motor overheating protection

※ Compressor motor over current protection

※ Condenser fan overheating protection

3.2 Laboratory

※ Adjustable over-temperature protection

--- over temperature protection mode 1

※ Test space temperature fuse --- over temperature protection mode 2

※ Air conditioning channel limit over temperature

--- over temperature protection mode 3

※ Controller set over temperature shutdown alarm

--- over temperature protection mode 4

※ Fan motor overheating.

3.3 Other

※ The total power phase sequence and phase loss protection;

※ leakage protection;

※ Load short-circuit protection.

Equipment stops running and sends audible alarm when the above

protection appears, meanwhile, fault, causes and solutions will be

displayed on the screen.

1. Power

※AC380V±10%, 50Hz±1Hz,3 phase 4 wires +Ground Wires

※Power cable is connected to the air switch in control box

※Total Power ～8 kW, 10A；

※Voltage permitted:AC(1±10%)380V

※Frequency permitted:(1±1%)50Hz

※Resistance of ground wire less than 4Ω

TN-S mode or TT mode for power supply

※Must be equipped with an independent and private air or power switch

used by this device only.

※Humidification water: water or deionizer water Maximum consumption:

7L / h

※ When using RO systems, water supply requirements are

Water pressure 0.2MPa, pipe line DN10

Maximum Consumption: 7L / h. water flow

※distance from the wall to both sides and rear of chamber more than

800mm, to the front more than 1500mm. Provide independent power

distribution switchgear and humidification condensate drains, and external

power connector device is necessary

※ground level, well-ventilated, non- flammable, explosive, corrosive gases

and dust

※No strong electromagnetic radiation nearby

※With floor drain ( less than 2 meters from the refrigeration unit )

※venue floor load capacity : not less than800kg/m2

※leave adequate space for maintenance

Grounding resistance less than 4Ω, grounding bolts located at the

base of the cabinet.

φ50, φ80, φ100, φ120mm cable port, location and number can be

customized according to user requirements if chamber body structure

allows.

※When the device does not work, the ambient temperature should be

maintained within 0 ~ 45 ℃

※When the ambient temperature is below 0 ℃, the water remaining in

the device should be drained to avoid water pipes freezing and broken

For remote centralized monitoring, need another PC (Windows 2000/XP

operating systems, a COM port and a USB port); Equipped with

RS-485/RS-232 converter and a communication cable 25m.

※Operation Manual*1

※Maintenance Manual*1