Small vertical constant temperature and humidity test chamber, tabletop constant temperature and humidity test chamber

Product Introduction

Programmable constant temperature and humidity test chamber is a testing equipment used in aviation, automotive, home appliances, scientific research and other fields to test and determine the parameters and performance of electrical, electronic and other products and materials after high temperature, low temperature, alternating humidity or constant temperature environmental changes.

feature

The test sample remains in a static state and is subjected to climate tests such as high temperature, low temperature, and humid heat. It has a test hole, can be charged, has a signal, and is tested with a gas source.

The new generation of exterior design has undergone significant improvements in box structure, refrigeration system, and control technology, resulting in more stable technical indicators, more reliable operation, and easier maintenance. It is equipped with universal rollers for easy movement within the experiment.

The operation of the ultra large touch screen is more concise and elegant in appearance, and the operation is easier. The set value and actual value are displayed in real time.

Vacuum double-layer glass: large window design, Philips high brightness lighting, heated without fog.

Provide more interface options for programming and document processing, USB output, and computer connection for printing.

High reliability: The main accessories are selected from professional manufacturers to ensure improved overall reliability.

1、 Equipment performance

1-1 Temperature range -20 ℃~150 ℃, -40 ℃~150 ℃, -60 ℃~150 ℃, -70 ℃~150 ℃

1-2 humidity range 20%~98% (adjustable)

1-3 cooling rate 1-1.2 ℃/min (non-linear under no load)

1-4 Heating rate 2-3 ℃/min (non-linear under no load)

1-5 heating load 50 W

1-6 Temperature stability ± 0.5 ℃

1-7 humidity stability ± 2.5% RH

1-8 temperature deviation ± 2.0 ℃

1-9 humidity deviation ± 2.5% RH

II Structural Design

2-1. The material of the inner and outer boxes is stainless steel plate (304), and the outer cold-rolled steel plate is coated with electric plastic paint.

2-2. High brightness external box lighting source.

2-3. The design of the isothermal layer structure effectively avoids condensation at the top of the box

2-4. Observe the use of the test sample through the observation window.

2-5. Window anti sweat design adopts electric heating device to prevent water vapor condensation.

2-6. The test hole can be used for external testing of power lines and signals.

2-7. The machine pulley is adjusted by moving the pulley and fixing it with bolts (300Kg/wheel).

2-8. The insulation layer is made of fire-resistant PU and insulated glass wool (with a thickness of 10 cm).

2-9. The tray rack inside the box can be adjusted to accommodate two stainless steel strip trays.

2-10. The box door adopts double insulation and air tightness to effectively isolate external temperature leakage.

III Temperature electric heating cycle system

3-１. Circulating fan, high/low temperature resistant aluminum alloy multi wing circulating fan.

3-2 . Adjustable air guide plate design effectively improves temperature and temperature distribution uniformity.

3-3 . The control mode of the temperature electric heater is balanced temperature control P.I.D+P.W.M+S.S.R.

4 Freezing system

4-1. Energy saving ultra-low temperature freezing system for refrigeration equipment (air-cooled heat dissipation method)

4-2. The efficiency of the cold and hot exchange device (environmentally friendly) is higher in the design of cold coal cold and hot exchange compared to traditional internal spiral type

4-3. The heating load adjustment adopts the automatic adjustment of the cold coal flow rate by the computer, effectively taking away the heating load of the test sample.

4-4. The high-efficiency component condenser and evaporator adopt AC&R compound turbulence type aluminum fin device

4-5. The moisture-proof design of the door adopts high-pressure compressor High temperature pipelines, treated with sweat and moisture prevention

4-6. The compatibility and quality stability of standard modular design components are high

4-7. The expansion performance control system can reserve isothermal control liquid nitrogen valve LN2V and refrigerant valve FV control interfaces

Five Control System TATO (TT5166)

5-1. Controller combination

A. Temperature sensor JIS RTD PT 100 Ω× 2 (platinum sensor).

B. The temperature converter adopts microcomputer multifunctional automatic linear compensation correction.

C. Communication device RS232 interface (for connecting PC control equipment), USB interface (for data output, printing, and saving)

D. Program capacity and control functions:

Available program groups: 100 groups.

Available program segments: 10000 segments.

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

VI Security protection system

6-1. Leakage/Surge Prevention Protection Leakage Circuit Breaker Leakage Protection FUSE. RC Electronic Surge Prevention Protection

A. Temperature/temperature sensor open circuit or short circuit (+- OVER)

B. Floor height/low temperature over temperature protection operation control temperature high and low temperature over temperature protection setting

6-2. Fault detection control interface external fault automatic detection and protection device

A. Layer high temperature and over temperature protection electronic high temperature and over temperature protection device

B. Third layer high temperature over temperature protection high temperature over temperature protection device

C. Compressor protection, refrigerant pressure protection, and overload protection device

D. Reserve two sets of fault detection inputs for the expansion protection device

6-3. Fault abnormality protection: When a fault abnormality occurs, cut off the control power supply and output signals for fault cause indication and alarm

6-4. Dynamically adjust the high and low temperature protection values in conjunction with the set conditions

6-5. After shutdown at room temperature, the machine's test products and testing area will automatically cool down for protection

7 Professional Production Technology

7-1. Modular or standardized production and manufacturing of various components

7-2. The refrigeration system is welded with nitrogen gas, and the digital instrument is subjected to nitrogen pressure testing

7-3. Vacuum digital instrument vacuum test

7-4. Microcomputer controller Recorder verification equipment

7-5. Temperature electric heating control power efficiency test and insulation impedance test above 50 M Ohm/500 DCV

8 Product after-sales service and warranty (complete machine warranty for two years)

8-1. The whole machine comes with a two-year warranty

8-2. General maintenance notice: 24-hour factory inspection

Nine New Jida Jiaoyou Factory Attached Information

9-1. Operation manual, maintenance manual

9-2. Guarantee certificate and maintenance record card

9-3. Personnel operation and usage training

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