50/80/100/150/225/408/800/1000L Laboratory Constant Temperature And Humidity Test Chamber

50/80/100/150/225/408/800/1000L Laboratory Constant Temperature And Humidity Test Chamber

1、Product Overview

This series of programmable constant temperature and humidity chambers is suitable for reliability testing of various industrial products, with the characteristics of temperature control accuracy and wide control range. The performance indicators comply with the requirements of the Basic Parameter Calibration Methods for Environmental Testing Equipment for Electrical and Electronic Products - Low Temperature, High Temperature, Constant Damp Heat, and Alternating Damp Heat Test Equipment.

2、Performance indicators

Note: The performance measured after stabilization without test load at an ambient temperature of 25 ℃.

In addition, the temperature rise and fall time refers to the performance measured when the power supply voltage is normal and the surrounding temperature is+25 ℃

1. Temperature range:

A [-20~150]

B [-40~150]

C [-60~150]

D [-70~150]

2. Temperature fluctuation: ± 0.5 ℃

3. Temperature uniformity: ± 2.0 ℃

4. Temperature accuracy: 0.01 ℃

5. Heating rate: approximately 1.0~3.0 ℃/min

6. Cooling rate: approximately 0.7-1.2 ℃/min

7. Humidity range: 20-98%

8. Humidity fluctuation: ± 1.5%

9. Uniform humidity: ± 3.0~5.0%

10. Temperature and humidity control range (as shown in the figure):

3、Box structure

1. Inner box size (L*D*H):

50L: 400 * 350 * 350mm

80L: 400 * 400 * 500mm

100L: 500 * 400 * 500mm

150L: 500 * 500 * 600mm

225L: 600 * 500 * 750mm

408L: 800 * 600 * 850mm

800L: 1000 * 800 * 1000mm

1000L: 1000 * 1000 * 1000mm

2. Approximately external dimensions: Based on the actual model

3. Inner box material: stainless steel plate

4. Outer box material: stainless steel plate

5. Box door: single panel door

6. Observation window: Double layer tempered glass window with lighting

7. Test hole: 1 test hole on the left side of the body, with a diameter of 50mm, and 1 stainless steel hole cover attached,

8. Test body: SUS # 304L stainless steel PT 100 Ω platinum resistor 1 (Taiwan)

9. Insulation material: high-efficiency polyurethane foam+glass rock wool

10. Heating system: finned heat dissipation tube shaped stainless steel electric heater

4、Control System

1. Touch control original TEMI touch screen programmable controller

2. Program storage capacity 120 sets

3. It has a power-off program memory function, which can be resumed after power restoration,

4. Number of cycles: up to 999 times

5. Temperature measurement device: imported PT100 platinum resistance temperature and humidity sensor

6. Temperature measurement: Pt100 platinum resistance;

7. Humidity measurement: Pt100 platinum resistance wet dry bulb method;

8. Control device: Programmable touch screen

9. Setting accuracy: Temperature: 0.01 ℃ Humidity: 0.1% R.H

0. Program capacity: Programs can be looped and linked between programs;

1. Operation mode: constant operation, program running;

5、Refrigeration System

1. Compressor: French "Taikang" fully enclosed high-efficiency energy-saving pioneer

2. Refrigerant: DuPont, USA, uses a green and environmentally friendly refrigerant with zero ozone coefficient

3. condenser: air-cooled condenser (specially customized)

4. Evaporator: Fin type automatic load capacity adjustment

5. Expansion system: a freezing system with capillary capacity control

6. Electromagnetic valve: San Hua Chang Heng Lu Si purple copper switching valve

6、Land and power configuration

1. Test power supply: AC220/380V 50Hz

2. Maximum capacity: 5 KW

3. Maximum current: 25 A

4. Equipment placement: When placing the box, it should be noted that the distance from the wall should be greater than 1000mm.

5. Temperature rise prevention device (to protect the tested object and test box)