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High and low temperature test chamber, also known as environmental test chamber, tests the heat, cold and dry resistance of various materials. Suitable for electronics, electrical appliances, food, vehicles, metals, chemicals, building materials and other factories. To detect the discoloration and shrinkage of rubber and plastic under high temperature and humidity. Test various materials for heat resistance, cold resistance and dry resistance. It is suitable for quality control inspection of factories and units in electronics, electrical appliances, batteries, universities, research institutes, inspection and quarantine bureaus, paper products, food, vehicles, auto parts, metals, chemicals, building materials and other industries.

 

High and low temperature test chamber, also known as environmental test chamber, tests the heat, cold and dry resistance of various materials. Suitable for electronics, electrical appliances, food, vehicles, metals, chemicals, building materials and other factories.

 

2、 Control mode:

 

The balanced temperature control system (BTHC) controls the SSR in the P.I.D. mode, so that the heating amount of the system is equal to the loss amount, so it can be used stably for a long time.

Inner box size

 

W × H × D ：400 × five hundred × 400(mm)

 

Outer box size

 

W × H × D ：900 × one thousand and five hundred × 900(mm)

 

Temperature range

 

-40℃ ~ +150℃

 

Control stability

 

Temperature ± 0.5 ℃

 

Distribution uniformity

 

Temperature ± 2.0 ℃

 

Heating rate

 

3 ℃/min (from - 40 ℃ to 30 ℃ for about 25 minutes) non-linear no-load

 

Cooling rate

 

1 ℃/min (from 30 ℃ to - 40 ℃ for about 70 minutes) non-linear no-load

 

Temperature limit

 

Maximum temperature+150 ℃

 

Low temperature - 40 ℃

 

Si IV. Product structure

 

Inner box material

 

SUS # 304 stainless steel plate

 

Outer box material

 

Iron plate baking paint

 

Thermal insulation material

 

Hard polyurethane foam+glass wool

 

Tight

 

1 piece of silicone foam pressing

 

Shelf

 

Two stainless steel shelves with adjustable height are set in the box (material: SUS # 304 stainless steel)

 

Heater

 

Stainless steel fin type heat sink U-shaped heating tube imported from Taiwan, China

 

Blower

 

1 motor

 

Stainless steel extended shaft

 

SIROCCO FAN

 

Special adjustable shutter air supply and circulation system

 

Box door

 

Single door, double door, embedded non-reaction plane handle

 

Four-layer vacuum toughened glass enlarged window

 

Electric automatic defogging, imported "PHILIP" lighting tube

 

Add a glass door inside the box

 

5、 Refrigeration system:

 

Adopt multi-section automatic load capacity adjustment technology, more efficient and energy-saving

 

compressor

 

French "Taikang" brand fully enclosed compressor

 

Condenser

 

Fin-type heat dissipation fan with attached platform

 

Evaporator

 

Fin-type multi-section automatic load capacity adjustment

 

Expansion valve

 

Danfoss components, Denmark

 

Refrigerant

 

The latest environment-friendly refrigerant R404A imported from the United States

 

Cooling auxiliary parts

 

Desiccant (Denmark), oil separator (USA), refrigerant window (Denmark), solenoid valve (Japan), filter (Japan), pressure controller (Korea), stop valve (Italy) and other refrigeration accessories are imported

Main controller:

 

Temperature and humidity controller:

 

A. Controller features

 

Self-developed 7-inch touch screen controller

 

Color LCD

 

Touch screen direct button type (touch screen operation control)

 

Temperature and humidity simultaneous programmable controller

 

Chinese and English display

 

two hundred and fifty-six × Wide view of 128 points

 

High contrast large LCD LCD display controller with adjustable backlight function.

 

B. Controller specification:

 

U Accuracy: temperature ± 0.1 ℃, humidity ± 1% R.H

 

U Resolution: temperature ± 0.1, humidity ± 0.1% R.H

 

U With upper and lower limit standby and alarm functions

 

U Temperature and humidity input signal selection PT 100 Ω × 2 (dry bulb and wet bulb)

 

U 9 groups of P.I.D control parameter settings, P.I.D automatic calculation

 

U Automatic correction of wet and dry bulb

 

C. Screen display function:

 

U Draw face to face, no key input, direct touch options on the screen

 

U Temperature and humidity setting (SV) and actual (PV) values are displayed directly

 

U can display the number, segment, remaining time and cycle times of the current execution program

 

U Operation cumulative time function

 

U Temperature and humidity program setting value is displayed in graphic curve, with real-time display program curve execution function

 

U has a separate program editing screen, and each page can input at least 5 segments of temperature, humidity and time

 

You can switch between Chinese and English at will.

 

U Fault prompt screen is displayed.

 

U The screen can be adjusted for backlight

 

U The screen display protection function can be set for timing, TIMER or manual shutdown

 

D. Program capacity and control function:

 

U Available program groups: up to 120 PATTEN

 

U Available memory capacity: 1200 SEGMENTS in total

 

U Repeatable commands: each command can be executed up to 999 times

 

The u program is made in conversational mode, and has the functions of editing, clearing, inserting, etc

 

U SEGMENTS time setting 0 ～ 99Hour59Min

 

U With power-off program memory, it can automatically start and continue to execute the program after power-off

 

U The graphic curve can be displayed in real time during program execution

 

U With reservation start and shutdown function

 

U With date and time adjustment function

 

U Key and screen lock function

Main components:

 

AC contactor: France

 

Thermal relay: France

 

AC relay: France

 

Time relay: Taiwan, China, China

 

Controller: independently developed

 

Over temperature protector: Taiwan, China

 

Main power switch: Taiwan, China

 

Solid state relay: Taiwan, China, China

 

Button switch: Taiwan, China

 

Dry burning protector: Italy

Operating voltage: 220V ± 10% 50HZ

 

Operating environment: allowable operating environment 0~30 ℃

 

Performance guarantee environment 5~25 ℃

 

The installation ground shall not have obvious inclination

 

No other items can be placed within 60cm around the instrument

 

Accessories: 50mm test hole on the left side of the fuselage, threaded cover, 1 set, 3 spare fuses

 

Items excluded from the appraisal: 1. Preparation works for the setting site 2. Electrical equipment at the input side 3. Electrical wiring works at the input side

 

Documents to be provided: 1. One copy of the order specification shall be provided when ordering

 

2. One copy of the instruction manual shall be provided at the time of delivery

 

3. * One copy shall be provided at the time of delivery