IEC 60068-2-1 Environmental Test Chamber 1000L -70°C to +150°C

Chamber Size

A sound level≤70dB(A)

(Measured in a soundproof room with an ambient temperature of 25°C and low echo. Using A weighting, test the average of 9 points. Each test point is 1 meter away from the noise source horizontally and 1 meter above the ground.)

1. Outer wall material: A3 board spraying.

2. Inner wall material: brushed stainless steel plate SUS﹟304.

3. Chamber thermal insulation material: 100mm high temperature resistant rigid polyurethane foam.

4. Chamber door insulation material: 100mm high temperature resistant rigid polyurethane foam.

1. Stainless steel long-axis centrifugal fans: 2 sets/90W.

2. Fan, heater, evaporator (also dehumidifier), drainage device, pressure balance port, adjustable air deflector, temperature sensor

1. Observation window: 400x600x40mm 3-layer vacuum tempered glass

2. Flat embedded handles

3. Door hinges: SUS #304 imported hinges

4. Energy-saving lamp inside the chamber

5. Lead hole: φ50mm 1 piece

1. The single-piece door opens outwards, with the hinge on the left and the handle on the right (when facing the front of the box).

2. Equipped with a safety door locking mechanism (the door can be opened in the test room), the door is equipped with electric heat to prevent condensation, and the visible range of the insulating glass observation window (W400×H600mm). The door frame is equipped with an anti-condensation electric heating device.

1. Fin-type radiator-shaped stainless steel electric heater

2. Heating control method: SSR (Solid State Relay) non-contact equal period pulse width modulation

3. Heating power: approximately 3KW

1. Hitachi or Emerson low-temperature and low-noise scroll compressor (air-cooled heat dissipation method).

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.

Hitachi or Emerson low temperature and low noise scroll compressor

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. Curves and temperature and humidity can be displayed on the same interface

2. The screen display of temperature and humidity

3． Curves can be recorded 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: (RS232/RS485, maximum communication distance 1.2km [optical fiber up to 30km])

10. Interface language type: Chinese/English

11. Equipped with English input function

12. Can be used with a printer (USB function optional)

13. 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

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

15. 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

d) Power supply

AC380V three-phase four-wire + protective ground wire

Allowable voltage fluctuation range: AC (380±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