High and low temperature rapid change test box JAY-1175 Jia Yi factory direct sales can be customized

1. Product Name

model

High and low temperature rapid change test chamber

JAY-1175

2. Sample description

This experimental equipment is suitable for:

Electricians, electronic products, components, parts and their materials are stored in high and low temperature environments

Adaptability testing during storage, transportation, and use.

This experimental equipment prohibits:

Testing or storage of samples of flammable, explosive, and volatile substances

Testing or storage of corrosive substance samples

Testing or storage of biological samples

Testing or storage of strong electromagnetic emission source samples

2.2 Water cooling

The refrigeration adopts water cooling method, which is stable and has low equipment noise. The buyer needs to provide a set of cooling towers and PVC water supply pipes.

Flow rate: 25T/h (cooling tower flow rate requirement)

The buyer provides soft water and requires:

Water pipe: 1/2 "Water pressure: 0.1-0.3 Mpa

3. Capacity, size, and weight

3.1. Nominal internal volume

3.2. inside dimensions

3.2. Carton size

125L

Depth 500 x Width 500 x Height 500 mm

Depth 1750 x Width 950 x Height 1820

4. Performance

4.1. Test environment conditions

4.2. test method

Under the conditions of an ambient temperature of+25 ℃, relative humidity ≤ 85%, and no sample in the test chamber

Refer to the relevant requirements of national and military standards

4.3. temperature range

-40℃→+110℃

4.4. temperature fluctuation

±0.5℃

4.5. Temperature deviation

±2.0℃

4.6. heat range

-20 ℃~+100 ℃ average 10 ℃/min (no load)

4.8. Meet the test criteria

Standards and acceptance criteria

GB/T 2423.1-2001 Test A: Low temperature test method

GB/T 2423.2-2001 Test B: High temperature test method

GJB 150.3-1986 High Temperature Test

GJB 150.4-1986 Low Temperature Test

Acceptance criteria comply with: JJF1101-2003 Environmental Testing Equipment Temperature and Humidity Specification

GB/T 5170-2008 Acceptance Methods

5. Structural features

5.1. Thermal insulation enclosure structure

Outer wall material: double-sided galvanized steel plate, surface spray treatment

Inner wall material: stainless steel plate SUS304

Box insulation material: rigid polyurethane foam+glass fiber

Door insulation material: fiberglass

5.2. Air conditioning channel

Centrifugal fans: 2 units, with heaters and evaporators inside the air duct

5.3. Standard configuration of test box

place

Observation window: 1 W240mm × H400mm transparent electric heating film insulated tempered glass (located on the door) including the range of lighting obstruction

Lead hole: 1 hole with a diameter of 50mm (located on the left and right sides of the box)

Sample rack: 2 layers of stainless steel sample rack, load-bearing capacity (evenly distributed): 50kg/layer

Lighting fixtures: 1 11W/AC220V

Mobile wheels: 4

5.4. door

Single hinged door (left hinge, right handle), equipped with observation window, lighting

Window frame/door frame anti condensation electric heating device

5.5. control panel

Korean imported color touch screen controller, over temperature protection setter, power switch

5.6. machine room

Refrigeration unit, water tray, drainage hole

Condenser fan

Condenser inlet filter screen

5.7. Distribution control cabinet

Distribution board, exhaust fan

5.8. heater

Nickel chromium alloy electric wire heater

Heater control method: contactless equal period pulse width modulation, SSR (solid-state relay)

5.9. Power cord holes and

Drain hole

Located on the back of the box

6. Refrigeration system

6.1. way of working

Water cooled mechanical compression refrigeration method

6.2. refrigeration compressor

Famous European and American brand Bizelle low-temperature and high-efficiency semi dense compressor

6.3. evaporator

Finned tube heat exchanger

6.4. condenser

Shell and tube air-cooled condenser

6.5. throttling device

Capacity controlled freezing system (capillary tube)

6.6. Refrigerator controller

type

The programmable logic controller of the control system automatically adjusts the cooling according to the test conditions

Operating conditions of the machine

Evaporator Pressure Regulator

Compressor return air cooling circuit

6.7. refrigerant

R404a (with an ozone depletion index of 0)

6.8. Component brand

Refrigeration compressor, French Taikang drying filter, Danish DANFOSS

Pressure relay Danish DANFOSS expansion valve Danish DANFOSS

Evaporative pressure regulating valve Danish DANFOSS solenoid valve Japanese Eginomiya

monitor

7-inch color touch screen

Operation mode

Program mode, fixed value mode

Setting method

Chinese and English menus, touchscreen input

Program capacity

Program editing (capable of writing 120 programs, with a maximum of 99 segments per program) allows programs to be linked and run indefinitely.

Setting Range

Temperature measurement range (-90.00 ℃ -20.00 ℃, error ± 0.2 ℃); Humidity measurement range (1.0-100% RH, error<1% RH)

resolution

Temperature: 0.01 ℃; Time: 0.01S; (Temperature testing equipment)

Communication function (optional)

RS232C/RS485， The longest communication distance is 1.2km [fiber optic can reach 30km]

control mode

PT100 sensor; PID control output

On screen curve recording power

ability

SRAM with battery protection, capable of storing device settings, sampling values, and sampling time

The engraved time can be observed by sliding in real-time with finger touch on the screen;

The default maximum storage time is 60 days (when the sampling period is 1.5 minutes), and the sampling period

The sampling time calculation formula can be set by the user as follows:

If the sampling period is set to t min, the storage time is d=(65536xt)/60)/24

(Tian)

7.2. Experimental data collection

Can be connected to a computer or printer (optional): Configure a printer and set the number of prints according to time

To print the test date, set temperature, measured temperature, and measurable humidity within the entire temperature range.

Auxiliary functions

Fault alarm and cause, processing prompt function, power-off protection function, upper and lower temperature protection

Protection function, timing function (automatic start and stop operation), self diagnostic function.

Software usage environment

IBM PC compatible, with a P Ⅱ or higher CPU, 128MB or more of memory, in Simplified Chinese

Windows 2000 or Simplified Chinese Windows XP operating system

7.3. temperature and humidity measurement

Swiss Rotronic Universal Temperature and Humidity Sensor

8. Safety protection device

8.1. refrigeration system

Compressor overheating

Compressor overcurrent

Compressor overpressure

Overheating of condensing fan

8.2. Chamber

Adjustable Overtemperature

Test space temperature fuse

Extreme overheating of air conditioning channel

Fan motor overheating

8.3. other

Main power phase sequence and phase loss protection

Leakage protection

Overload and short circuit protection

Use the shutdown interlock function when the test chamber door is opened

9. Other configurations

9.1. Sample power control

Terminal making

Relay contact control

9.2. Main power leakage

Circuit breaker

AC380V、50Hz、 Three phase four wire+protective earth wire

10. Attachment

10.1. Power cable

One 2.5-meter cable with five cores (three-phase four wire+protective ground wire)

10.2. Lead hole

There are 2 lead holes with a diameter of 100mm

10.3 Sample rack

There is a load-bearing capacity of 50kg per floor, with a total of 2 floors

11. The transportation test box is an integral unit, and the supplier is responsible for the overall transportation

12. The user guarantees the following conditions for use

12.1. Installation site

The ground is flat and well ventilated

There is no strong vibration around the equipment

There is no strong electromagnetic field around the equipment

There are no flammable, explosive, corrosive substances or dust around the equipment

There is appropriate space for use and maintenance around the equipment, please refer to the instruction manual for details

12.2. environmental condition

Temperature: 5 ℃~35 ℃

Relative humidity: ≤ 85%

Air pressure: 86kPa~106kPa

12.3. Power supply conditions

power supply

power capacity

Maximum current

AC380V three-phase four wire+protective ground wire input power: 150KW

Voltage allowable fluctuation range: AC (380 ± 38) V

Allowable frequency fluctuation range: (50 ± 0.5) Hz

The grounding resistance of the protective grounding wire is less than 4 Ω

Require users to configure corresponding capacity air or power switches for the equipment at the installation site, and

And this switch must be used independently for this device

12.4. Regarding the storage environment

The requirements

When the equipment is not working, the temperature of the environment should be maintained within 0 ℃ to+45 ℃

When the ambient temperature is below 0 ℃, the water remaining in the equipment should be drained completely to prevent pipe damage

The water inside the road freezes and swells, damaging the pipeline.

13.1. Installation and commissioning

After the buyer prepares the necessary external conditions for the equipment (such as water, electricity, etc.), the company engineer may,

Responsible for the installation, debugging, and startup of the equipment, and providing excellent technical support

After sales service and on-site equipment training for users to ensure that trainees can

Capable of independently and proficiently operating equipment and completing simple maintenance work, daily equipment maintenance, etc

Work.

13.2. warranty

The warranty period of the equipment is one year, and the official effective date is the buyer's acceptance of the equipment

The calculation starts from the date of signature on the book. During the warranty period, the seller is responsible for the equipment due to its own

Responsible for resolving various malfunctions caused by personal reasons free of charge. Outside the warranty period, the

The maintenance work of equipment requires the cost of spare parts and a certain service fee.

13.3. maintenance

The repair response time is within 2 hours

After receiving the buyer's fault notification, the seller guarantees to respond within 2 hours and compete

Eliminate the fault as soon as possible in the shortest possible time.

13.4. Lifetime service items

eye

The seller promises to provide the equipment free of charge and indefinitely during its use

Technical support work.