Constant Temperature Humidity Chamber -20℃~150℃ for Storage Reliability Test

(Measured in a soundproof room with an ambient temperature of 25℃ and minimal echo; A-weighted average of 9 test points; each test point was 1 meter horizontally from the noise source and 1 meter vertically from the ground.)

1. Embraco Hermetic Compressor (Air-Cooled Condenser)

2. Cooling method: air cooling

1. The automatic adjustment of the cold coal flow rate device is adopted to effectively take away the heating load of the product to be tested, which is synchronized with German/Japanese technology.

2. Compared with traditional designs, the control stability and reproducibility are higher, and it achieves ultra-high performance in terms of power saving and energy saving.

Embraco Hermetic Compressor (Air-Cooled Condenser)

1. The condenser and evaporator adopt AC&R double spoiler type aluminum fin device.

2. The throttling devices adopt imported famous brand refrigeration accessories.

1. The controller of the control system automatically adjusts the operating conditions of the refrigeration compressor according to the test conditions. The output cooling capacity can be controlled to achieve the principle of saving electricity and water. The working condition is more stable. Especially the operating humidity can save 30% of electricity.

2. Evaporation pressure regulating valve.

3. Compressor return air cooling circuit

1. Temperature and humidity can be displayed on the same interface

2. It can display the temperature and humidity curves on a large screen.

3． It can display the working status of the relay in real time.

Technical indicators:

1. 7-inch color touch screen

2. Two control modes: program/fixed value

3. Sensor type: two PT100 inputs (electronic sensor input optional)

4. Output mode: voltage pulse (SSR)/control output: 2 (temperature/humidity)/2 4-20mA analog output/16 relay outputs (passive)

5. Control signal: 8 IS control signals/8 T control signals/4 AL control signals

6. Alarm signal: 16 DI external obstacle alarms

7. Temperature measurement range: -90.00℃--200.00℃, (optional -90.00℃--300.00℃) error ±0.2℃

8. Humidity measurement range: 1.0%--100%RH, error ±1%RH

9. Communication interface: RS485, Ethernet ports, USB port

10. Interface language type: Chinese/English

11. Equipped with English input function

12. A variety of signal combination relay outputs, and the signals can be subjected to logical operations (NOT, AND, OR, NOR, XOR), referred to as PLC programming ability

13. Diversified relay control methods: parameter->relay mode, relay->parameter mode, logic combination mode, composite signal mode

14. Program editing: 120 groups of programs can be programmed, and each group of programs can program up to 100 segments

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

Resolution: temperature ±0.01℃, humidity ±0.1%R.H.

Temperature slope: 0.1~9.9 can be set.

It has upper and lower limit standby and alarm functions.

Temperature and humidity input signal dry and wet bulb PT100x2.

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

Dry and wet bulb with automatic correction screen function

1. Anti-integral saturation PID

2. BTC balanced temperature control method + DCC intelligent cooling capacity control + DEC intelligent electrical control (temperature test equipment)

3. BTHC balanced temperature and humidity control method + DCC intelligent cooling capacity control + DEC intelligent electrical control (temperature and humidity test equipment)

It adopts screen dialogue mode, no key input is required, and the screen directly touches the options.

Temperature set (SV) and actual (PV) values are displayed directly.

Can display the currently executed program number, segment, remaining time and number of cycles.

Running accumulated time function.

The temperature program setting value is displayed in a graphical curve, with the function of real-time display of the program curve execution.

Equipped with a separate program editing screen, at least 5 segments of temperature, humidity and time can be entered on each page.

Chinese and English can be switched at will.

The fault prompt screen is displayed.

The screen backlight can be adjusted.

The screen display protection function can be set to timer, TIMER or manual shutdown.

Available program groups: maximum to 120 PATTEN.

Available memory capacity: total of 12000 SEGMENTS.

Repeatable execution of commands: each command can be executed up to 3200 times.

The program is created in a conversational manner, with functions such as editing, clearing, and inserting.

SEGMENTS time setting 0~99Hour59Min.

Programmable timing control module device x2 sets.

With power-off program memory, automatic start and continuous program execution after power-on.

With RS-485 or RS-232 communication interface.

Graphic curves can be displayed in real time during program execution.

With automatic adjustment of freezing capacity.

With scheduled start and shutdown function.

With date and time adjustment function.

Key and screen lock (LOCK) function.

Adjustable over-temperature protection device (double protection, the first ultra-high-precision over-temperature protector that can be set for both high and low temperatures. High or low temperature protection can be set to better protect the product under test when the machine fails.

The air conditioning channel is overheated.

Fan motor overheated.

The ground is flat, well ventilated, and does not contain flammable, explosive, corrosive gases and dust

There is no strong electromagnetic radiation source nearby.

There is a drainage floor drain near the equipment (within 2 meters of the refrigeration unit).

The bearing capacity of the site ground: not less than 800kg/m2.

There is appropriate maintenance space around the equipment.

A: not less than 600mm

B: not less than 1000mm

C: not less than 100mm

D: not less than 600mm

1. Purified water must be used

2. Tap water must be treated

1. Temperature: 5℃～35℃

2. Relative humidity: ≤85%

3. Air pressure: 86kPa～106kPa

AC 220V, 50Hz, neutral wire, live wire + protective ground wire.

Allowable voltage fluctuation range: AC (220±10)V

Allowable frequency fluctuation range: (50±0.5)Hz

Protective ground wire grounding resistance is less than 4Ω

The user is required to configure an air or power switch of corresponding capacity for the equipment at the installation site, and this switch must be used independently for this equipment