• 2880L Programmable Temperature and Humidity Walk In Test Chamber
  • 2880L Programmable Temperature and Humidity Walk In Test Chamber
  • 2880L Programmable Temperature and Humidity Walk In Test Chamber
  • 2880L Programmable Temperature and Humidity Walk In Test Chamber
Good price 2880L Programmable Temperature and Humidity Walk In Test Chamber online

2880L Programmable Temperature and Humidity Walk In Test Chamber

Product Details:

Place of Origin: China
Brand Name: Sinuo
Certification: Calibration Certificate (Cost Additional)
Model Number: SN886-2880L

Payment & Shipping Terms:

Minimum Order Quantity: 1
Price: Customized
Packaging Details: Other
Delivery Time: 45 days
Payment Terms: T/T
Supply Ability: 10 sets/month
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Detail Information

Applied Standard: IEC 60068 Series Nominal Volume: 2880L
Temperature Range: -40 ℃~+85℃ Heating Time: RT~ 100℃ (2℃-3℃)/min
Cooling Time: RT~ -40℃(0.7℃-1℃)/min Cooling Method: Air-cooled Type
Humidity Range: (30 ~ 95)% RH Humidity Deviation: ≤ 2%R.h (>75%), 3%R.h. (<75%)
High Light:

Programmable constant temperature and humidity chamber

,

2880L constant temperature and humidity chamber

,

ev temperature humidity test chamber

Product Description

 

 

2880L Programmable Temperature and Humidity Walk In Test Chamber

 

Complied Standards & Clauses


IEC60068-2-1:2007 “Environmental Testing-Part 2-1: Tests-Test A: Cold, IDT”

 

IEC60068-2-2:2007 “Environmental Testing-Part 2-1: Tests- Test B-Dry heat, IDT”

 

IEC60068-2-30:2005 “Environmental Testing-Part 2-30: Tests-Test Db: Damp heat, cyclic (12h+12h cycle), IDT”

 

IEC60068-2-78:2012 “Environmental Testing-Part 2-78: Tests-Test Cab: Damp heat, steady state, IDT”

 

Equipment Overview


This programmable temperature chamber is required by IEC 62368-1:2018 clause 4.1.4, Y4.4, Y6.2, etc.

This test chamber is used for cold, heat, humidity and dryness testing of raw materials and devices such as electronics, electricians, electrical appliances, plastics, etc. The purpose is to confirm the products reliability of storage and transportation under high and low temperature alternating heat and humidity.

 

Features:

1. The test system has advanced and reasonable structural design, standardized manufacturing process, beautiful appearance and generous appearance.
2. The main functional components of the test chamber are world famous branded ones. The test chamber has best control of noise and energy saving.
3. The matching of components and assembly is good. The main functional components are imported from the internationally branded companies, which improves the safety and reliability of the test chamber, and can ensure the long-term,
 high-frequency usage purposes.
4. The equipment has good operability, maintainability, good temperature stability and
 durability, good safety performance. It does not pollute the environment and endanger human health.

 

Technical Parameters


1. Sample limitation

This test chamber prohibits:
Testing or storage of flammable, explosive, and volatile substance samples
Testing or storage of samples of corrosive substances
Testing or storage of biological samples
Testing or storage of strong electromagnetic emission source samples
Testing or storage of radioactive material samples
Test or storage of highly toxic substance samples
Testing or storage of samples that may produce flammable, explosive, volatile, highly toxic, corrosive and radioactive materials during testing or storage

2. Volume, size and weight

2.1 Nominal content volume

2880L

2.2 Inner chamber size

W 2400×D 800×H 1500 (mm)

2.3 External dimensions

Approx. W3100×D1320×H2100 (mm)

2.4 Weight

Approx. (1500) KG

3. Performance

3.1 Temperature range

-40 ℃~+85℃ (C type) Air-cooled type

3.2 Humidity range

(30 95)% RH

(refer to temperature and humidity controllable range chart, no active wet and heat load)

2880L Programmable Temperature and Humidity Walk In Test Chamber 0

Temperature and humidity controllable range chart

3.3 Temperature fluctuation

≤0.5℃ (The temperature fluctuation is half of the difference between the measured maximum temperature and the minimum temperature at the center point)

3.4 Temperature uniformity

≤2.0℃ (Temperature uniformity is the arithmetic mean of the difference between the highest and lowest temperature measured in each test)

3.5 Humidity deviation

≤ 2%R.h (>75%), 3%R.h. (<75%)

3.6 Heating time

RT~ 100℃ (2℃-3℃)/min

3.7 Cooling time

RT~ -40℃(0.7℃-1℃)/min

3.8 Working noise

 

80dB(A) (1m in front of the gate, 1.2m above the ground, in free space)

4. Structural characteristics

4.1 Overall structure

 

1. Integral, modular design

2. The equipment is divided into the following parts: cabinet part, air circulation part, refrigeration part, heating system, humidification system, electrical control part

 

4.2 Thermal insulation structure

Outer wall material: double-sided galvanized steel, surface spray treatment or Q235 steel, surface pickling, phosphating, surface spray treatment

Inner wall material: SUS304 stainless steel plate
Insulation material: special composite with special heat insulation performance insulation material: rigid polyurethane board and glass wool

4.3 Standard configuration of test chamber

Power cord (3 meters) 1pc (also can be adjusted according to user site conditions)
Over temperature protector 1pc
Lead hole (ф100) 1pc (placed on the left side of the equipment, equipped with stainless steel cover)

4.4 Load bearing

The load-bearing capacity of the sample rack is not less than 30KG/layer

Load-bearing capacity of the bottom plate of the test chamber: ≥100Kg/m2 (uniform load)

4.5 Observation window

One piece of window is placed on the gate, the size of the observation window is: height 480mm×width 350mm, the heating wire of the observation window is automatically turned on during the low temperature test to prevent condensation and frost, to ensure the test situation inside the chamber can be observed through the observation window

4.6 Lighting

The door of the chamber is equipped with a moisture-proof LED lighting lamp, which is convenient for observing the test samples in the chamber. The lighting is controlled by a switch on the control panel outside the chamber

4.7 Control operation interface

Touch control screen, main power switch, buttons, over-temperature protector, etc.

4.8 Machinery room

Refrigeration unit, power distribution control cabinet, exhaust fan, etc.

4.9 Power distribution control cabinet

 

 

Cooling fan
Switchboard

5. Air circulation part

5.1 Fan

The fan stirs the air heated by the heater in the chamber, and then sends the air out the channel, allowing the air to circulate in the chamber

2880L Programmable Temperature and Humidity Walk In Test Chamber 1

5.2 Wind tunnel

Including air outlet and air return with air guide, to achieve efficient heat exchange for the equipment

5.3 Heater

Nickel-chromium alloy electric heating wire heater
Heater control mode: non-contact and other periodic pulse width adjustment, SSR (solid state relay)
The main heating source of the equipment provides the required heat for heating and constant temperature of the equipment, with reasonable surface heating load, no open flame, long life

5.4 Humidifier

Boiler heating and humidification method
Stainless steel armored heater
Heater control mode: non-contact and other periodic pulse width adjustment, SSR (solid state relay)
Water level control device, heater anti-dry burning device

6. Refrigeration system

The refrigeration part is the main part of the equipment that generates the cold source, which provides the required cold energy for the equipment's cooling, low temperature, and constant temperature. According to the different test conditions of the equipment, the refrigeration system is automatically turned on. Provide cooling capacity for the corresponding test process, so as to achieve the purpose of meeting the performance indicators of the equipment
6.1 Compressor Adopt imported France Tecumseh air-cooled compressor, the refrigeration system of this equipment adopts cascade refrigeration system
6.2 Heat Exchanger Finned heat exchanger is used to provide cooling and refrigerant for the refrigeration system to provide cold and heat exchange places
6.3 Evaporator The main cold source in the chamber, it is the main component for energy exchange between the cold capacity of the refrigeration unit and the hot air in the chamber
6.4 Throttling device Combination of expansion valve and capillary tube, combination control, as the throttling device of this equipment, allows the state of the refrigerant to be changed after passing through this device
6.5 Refrigerant R404A/R23 (Ozone depletion index is 0)
6.6 Components Brand

2880L Programmable Temperature and Humidity Walk In Test Chamber 2

7. Control System

7.1 ontroller

7 inch color touch screen temperature controller, Chinese and English display

7.2 Operation mode 

Fixed value/program mode: users can perform programming test and constant test according to test requirements and needs

7.3 Setting method

Set on the touch screen

7.4 Input

Thermal resistance signal

7.5 Output

Multi-point temperature and humidity signal output

7.6 Control method

Control and adjust the temperature and humidity in the test chamber, and automatically determine the working status of each executive elements (such as compressor, fan, heater, water circuit, etc.)
PID action and automatic calculation function
Ratio band (PB): 0.1%~999.9%
Integration time (IT): SR-92/SR-93 1~3600 seconds
Differential time (DT): SR-92/SR-93 1~1200 seconds

7.7 Setting range

Temperature: -100~+300℃, humidity: 0~100%RH

7.8 Control precision

Temperature: 0.1°C, humidity: 0.1%RH, time 0.1 minutes

7.9 Test data display

Can display set temperature, set relative humidity, measured temperature, measured relative humidity, total running time, remaining time of section, heating and humidification status, calendar time, etc.

7.10 Ancillary functions

Alarm display function, prompting the cause of failure, power failure protection function, upper and lower temperature and humidity alarm function, timing function (automatic start and automatic stop), self-diagnosis function

Measuring sensor

Armored platinum resistance high-precision temperature sensor

7.11 Power failure protection

In the user setting interface, there is a prompt to set whether the equipment will continue to operate after a power outage. The user can set according to needs, including the maximum allowable time interval after a power outage

8. Other configurations

8.1 Total power leakage circuit breaker

Schneider, AC380V, 60Hz, three-phase four-wire + protective ground
8.2 Safety protection device

The equipment has multiple alarm protection functions such as over-temperature, fan over-heating, over-current, compressor over-pressure, over-heating, etc. The fault self-diagnosis function of the controller can ensure that once the equipment is abnormal, it will cut off the power of the main components and send out an alarm at the same time.

Including:

(1) Air switch (to prevent overcurrent and short circuit);
(2) Fan overheating protection (protect the blower and prevent the fan from overheating);
(3) Compressor overpressure, overheating and overcurrent protection (protect the compressor to prevent excessive pressure, temperature and current);
(4) Over-temperature protection (to prevent the test room temperature from being too high and protect the sample);

(5) Local temperature protection in the air-conditioning room (to prevent the temperature around the heating part from being too high, and to protect the shell of the test room);
(6) Dry-burning protector for thermal fuse wire (to prevent the boiler from burning out of water);
(7) Fuse (to prevent short circuit of control circuit and lighting circuit);
(8) Tank pressure protection (to prevent damage to the laboratory body caused by excessive pressure in the tank)

8.3 Others

Over temperature alarm in the chamber
Fan overheating alarm
Compressor overpressure and overheating alarm
Total power phase sequence and phase loss protection
Leakage Protection

8.4 Power Cable

One five-wire (four-core cable + protective grounding wire) cable (length can be determined according to customer requirements)

9. Conditions of use

The following conditions are guaranteed by the user

9.1 The installation site

1. The ground is level and well ventilated
2.No strong vibration around the equipment
3.No strong electromagnetic field around the equipment
4.No flammable, explosive, corrosive substances and dust around the equipment

5. Ground bearing capacity of the site: not less than 800kg/m2
6. Appropriate use and maintenance space is left around the equipment, as shown below:

2880L Programmable Temperature and Humidity Walk In Test Chamber 3

A:≥10cm B:≥30cm C:≥120cm D: ≥10cm E:≥40com

9.2 Environmental conditions

1. Temperature: 5 ℃ ~ 35 ℃
2. Relative humidity: ≤85%
3. Air pressure: 86kPa ~ 106kPa

9.3 Tap water

(Only for damp heat equipment with pure water machine)

Flow ≥200kg / h, pressure 0.1MPa ~ 0.25MPa
Tap water meets GB 5749-1985 standard for sanitary drinking water
Note: DN15 female thread connector for pure water machine

(The pure water machine should be prepared by user)

9.4 Power supply conditions AC380V three-phase four-wire + protective ground wire
Allowable voltage fluctuation range: (1±10%) 380V
Allowable frequency fluctuation range: (1±1%) 60Hz
The grounding resistance of the protective earth wire is less than 4Ω; TN-S power supply or TT power supply
The user is required to configure an air or power switch of the corresponding capacity for the equipment at the installation site, and this switch must be independent and dedicated for the use of this equipment
About 15.8 kW
9.5 Others Opening the door of the test chamber during the test will cause temperature and humidity fluctuations in the chamber; if the door is opened multiple times or is left open for a long time or the test sample emits moisture during the test, the refrigeration system heat exchanger may freeze and does not work.
 
 

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