Volume, dimensions and weight

Volume

80L/408L/960L (Customized)

Inner size

W 400mm × D 400mm × H 500mm

Machine dimension

W 900mm × D 900mm × H 1730mm

Weight

180KG

Power

220V,  4KW

Performance

Test the environment conditions

The ambient temperature is +5 to +28 °C, the relative humidity   is ≤ 85%, and there is no   specimen in the test chamber

Test meth

GB/T 5170.2-2008 Temperature test equipment

GB/T 5170.5-2008 Damp heat test equipment

Temperature range

-40℃～+150℃

Humidity range

20%---98%  Humidity Temperature (25 to 85 degrees Celsius can do   humidity)

Temperature fluctuations

≤0.5℃（≤±0.25℃）

Temperature deviation

±2℃

Temperature uniformity

≤±2℃

Temperature rising time

3℃/min

Temperature falling time

1℃/min

Humidity range

(Humid heat type only)

（20～98）%RH

Temperature and humidity can be controlled range diagram

Relative humidity deviation

(Humid heat type only)

±2.0%RH

Meet the test method

GB/T2423.1-2008 (IEC60068-2-1:2007) Low temperature test method Ab

GB/T2423.2-2008 (IEC60068-2-2:2007) High temperature test method Bb

GJB150.4-1986 Low temperature test

GJB150.3-1986 high temperature test

GB/T2423.3-2006 (IEC60068-2-78:2007) Constant humid heat test method   Cab

GB/T2423.4-2008 (IEC60068-2-30:2005) Alternating damp heat test method   Db

GJB150.9-1986 Damp heat test (Figure 1, Figure 2)

(The load per cubic meter is not more than 35kg/m3 of steel heat   capacity, and there is no active humidity or heat load during the damp heat   test)

Structural features

Insulated enclosure

1. Outer wall material: high quality sand surface stainless steel   plate

2. Inner wall material: high-quality mirror stainless steel plate   (sealing strip can withstand high and low temperature range -100 degrees----   +300 degrees, life of 10 years)

3. Cabinet insulation material: rigid polyurethane foam + glass fiber

Air conditioning channel A

1. Adopt multi-wing centrifugal cycle bad fan, strengthen the shaft   and make aluminum alloy of rotating blades that are resistant to high and low   temperatures to achieve forced convection.

2. FLOW THROW air delivery mode; Horizontal diffusion vertical heat   exchange arc cycle.

Test chamber standard configuration

1. Observation window: transparent electric heating film hollow   tempered glass 1 (located on the door) 23 * 30cm

2. Lead hole: φ50mm 1 (located on the left side of the box)

3. Indoor lighting on the door (high-efficiency longevity energy-saving   lamp)

4. Moving castors: 4 pcs

5. Sample holder: stainless steel sample holder 1 layer, hook 4,   load-bearing (uniform): 25kg/layer

(The cumulative total load of samples in the box does not exceed:   100kg)

Door

Single-open hinged door (left hinge, right handle) with observation   window, lighting, window frame/door frame anti-condensation electric heating   device.

Control panel

Controller display, power switch, and status indicator

Mechanical room

Refrigeration unit, water connection plate, drainage hole

Condensing fan, condenser inlet, replenishment tank

Distribution control cabinet

IO boards, machine transformers, ballasts, intermediate relays, time   relays, solid state relays, AC contactors, thermal relays, fuses, air   switches

heater

1. Nickel-chromium alloy electric heating wire heater

2. Heater control mode: no contact and other periodic pulse width   adjustment, SSR (solid state relay)

3. Heater power: 12KW

Humidifier

(Humid heat type only)

1. External detachable boiler humidification method

2. Stainless steel armored heater

3. Heater control mode: no contact and other periodic pulse widening,   SSR (solid state relay)

4. Water level control device, heater anti-drying device, sediment   collection device, liquid level observation window

5. Humidifier power: 2.5KW

waterway

(Humid heat type only)

1. Replenishment water tank 50L, with high and low water level   indication, can be removed and cleaned

2. Efficient electromagnetic extrusion pump, can run continuously for   5000H

4. High and low temperature double water level electronic level   switch, which can prevent misoperation

5. Water shortage air incineration over-temperature protection +   ultra-low water level protection + water supply overtime to ensure the safe   operation of equipment

Power cord holes and drain holes

Located on the back of the cabinet

Refrigeration   system

Mode of work A

Two levels compression

Refrigeration compressors

Fully enclosed low noise rotary lobe compressor

evaporator

Finned tubular heat exchanger (doubles as a dehumidifier)

condenser

Air-cooled: Finned tube heat exchanger.

Throttle device

Expansion valve + capillary

Plate heat exchanger

(Cascade refrigeration system adopted)

Stainless steel brazed plate heat exchanger

Refrigeration control mode

1. The control system automatically adjusts the best energy-saving   working conditions of the refrigeration machine according to the test   conditions

2. The cooling capacity of the evaporator is switched by the control   system driven by the solenoid valve

3. Compressor return air cooling circuit

Refrigerant

R404a/R23 (Ozone depletion index is 0, R23 is   used for cascading refrigeration systems)

Electrical   control system

Monitor

5 inch

Running way

Program mode, valuation mode

Setting way

Chinese and English menu (can be freely   selected), touch screen input

Program capacity

1. Program: Up to 10 groups

2. Number of segments: Maximum 120 segments

3. Number of loops: Maximum unlimited loops

Set the range

Temperature: Adjusts according to the temperature operating range of   the device.

resolution

Temperature: 0.1°C; Time: 1min; Humidity: 0.1%RH (temperature and   humidity test equipment)

Input

PT100 Platinum thermal resistance

Control mode

1. Anti-integral saturation PID

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

3. BTHC balance temperature regulation and humidity control mode + DCC   intelligent cold volume control + DEC intelligent electrical control   (temperature and humidity test equipment)

Curve recording function

Ram with battery protection to save the setpoint, sampling value and   time of the sampling moment of the device; Maximum recording time is 180 days   (when the sampling period is 60S)

Satellite features

1. Fault alarm and cause, processing prompt function

2. Power failure protection function

3. Upper and lower limit temperature protection function

4. Calendar timing function (auto start and auto stop run)

5. Self-diagnosis function.

Temperature and humidity measurement.

Temperature: PT100 Platinum thermal resistance

Humidity: Wet and dry bulb thermometer method (damp heat type only)

Hot and   humid system water supply

 (hot and humid type only)

Water supply mode

Pump lifting

Location of the water supply unit

Front drawer tank

Storage tank volume

50L(Portable)

Water quality requirements for water supply

Resistivity ≥500Ω·m

Safety   protection devices

Refrigeration system

1. The compressor is overheated

2. Compressor overcurrent

3. Compressor overpressure

4. The condensing fan is overheated

Humidification system

(Humid heat type only)

1. Humidify the heat pipe to dry burn

2. Abnormal water level

3. Water supply timeout

Test chamber

1. Adjustable overtemperature

2. Air conditioning channel limit overtemperature

3. The fan motor is overheating

Other

1. Total power supply phase sequence and phase loss protection (for   three-phase power supply)

2. Overload and short circuit protection

3. The box opens the door multiple times to cause the refrigeration   system to fail and protect the alarm

Other configurations

Power cable

220V  4KW

Total power switch

NFB breaker

Installation site

1. The ground is flat and well ventilated

2. There is no strong vibration around the device

3. There is no strong electromagnetic field around the equipment

4. There are no flammable, explosive, corrosive substances and dust   around the equipment

5. There is appropriate space for use and maintenance around the   equipment, as shown in the following figure:

A: Not less than 60cm B: not less than 120cm C:   not less than 60cm D: not less than 120cm

Environmental   Conditions

1. Temperature: 5°C~35°C

2. Relative humidity: ≤85%

3. Air pressure: 86kPa ~ 106kPa

Tap water

(Only for humid heat type equipment equipped   with pure water machine)

Flow rate ≥ 200kg/h, pressure 0.1MPa ~ 0.25MPa

Tap water meets GB 5749-1985 drinking water sanitation standards

Note: Pure water machine with DN15 female thread joint