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Jd-8m3 Temperature Humidity Chamber , Constant Temperature And Humidity Chamber

Categories Temperature Humidity Chamber
Brand Name: JIEDONG
Model Number: JD-8m³
Place of Origin: Guangdong, China
MOQ: 1
Price: negotiate
Payment Terms: L/C,D/A,D/P,T/T,Western Union,MoneyGram,In cash, escrow
Supply Ability: 80 sets per month
Delivery Time: 20 workdays after order confirmed
Packaging Details: standard export plywood
Nominal internal volume: (8)m³
Inner box size: W(2000 )mm × H(2000 )mm × D(2000 )mm
Dimensions: W(3700 )mm × H(2300 )mm × D(1300 )mm
Weight: (1200 )KG
temperature range: 10℃
control precision: Temperature ± 0.2 ° C
Heating time: 2 ° C / min
Cooling time: 0.75~1℃/min
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Jd-8m3 Temperature Humidity Chamber , Constant Temperature And Humidity Chamber

Jd-8m3 temperature Humidity Chamber Constant Temperature And Humidity Chamber​

(2) Technical agreement

  1. Product name

Product number

Walk-in constant temperature and humidity chamber


  1. Sample limit

This test equipment is prohibited:

Testing or storage of flammable, explosive, volatile materials

Testing or storage of corrosive substance samples

Testing or storage of biological samples

Testing or storage of samples of strong electromagnetic emission sources

Testing or storage of radioactive material samples

Testing or storage of highly toxic substances

Testing or storage of specimens that may cause flammable, explosive, volatile, highly toxic, corrosive and radioactive materials during testing or storage

3.Volume, size and weight

  1. Nominal internal volume
  1. Inner box size
W(2000 )mm × H(2000 )mm × D(2000 )mm
  1. Appearance Dimensions
W(3700 )mm × H(2300 )mm × D(1300 )mm
  1. Weight
(1200 )KG
  1. Performance
  1. Test environmental conditions

The ambient temperature is +5~+28°C, the relative humidity is ≤85%, and there is no sample under the test chamber.

3.2. Test method

GB/T 5170.2-2008 temperature test equipment

GB/T 5170.5-2008 damp heat test equipment

  1. Temperature range
  1. Control accuracy

Temperature: ±0.2 °C

(refers to the difference between the controller set value and the measured value of the controller)

  1. Temperature fluctuation

≤0.5°C (temperature fluctuation is half of the difference between the highest temperature and the lowest temperature measured at the center point)

  1. Temperature error

≤±1°C (the average temperature of the display temperature controller minus the average temperature measured at the center point)

  1. Temperature uniformity

≤2.0°C (temperature uniformity is the arithmetic mean of the difference between the measured maximum temperature and the lowest temperature in each test)

  1. Heating time
2 ° C / min (non-linear no-load)
  1. Cooling time
0.75~1°C/min (non-linear no-load)
3.9. Working noise

A sound level ≤ 70dB (A)

(Measured in a soundproof room with a ring temperature of 25 ° C and less echo; use A weighting to test the average of 8 points; each test point is 1 m away from the noise source and 1 m above the ground)

3.9. Satisfy 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 damp 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 heat capacity of steel with a load of not more than 35kg/m3 per cubic meter, no active wet and hot load during the damp heat test)

  1. Structural features

4.1. Thermal insulation structure

1. Outer wall material: high quality color steel plate

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

3. Box insulation material: rigid polyurethane foam + fiberglass

4.1. Air conditioning channel

1. Adopt multi-blade centrifugal circulation fan, strengthen the shaft and add high-low temperature resistant rotating blade aluminum alloy to achieve forced convection.

2. FLOW THROW air supply mode; horizontal diffusion vertical heat exchange arc cycle.

3. Adjustable side air outlet and guard return air outlet.

4.1. Test box standard configuration

1. Observation window: 1 transparent tempered glass hollow tempered glass (located on the door)

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

3. Indoor lighting on the door (high efficiency and long life energy saving lamp)

4. Host computer communication software CD, U disk interface, RS23 communication interface, misoperation hardware lock LOCK, communication cable 1

  1. Door

Double-open hinged door (left hinge, right handle when facing the cabinet), with

observation window, lighting, window frame/door frame anti-condensation electric heating device, door opening size: (1.6)M

  1. Control panel

Controller display, U disk interface, RS232 computer communication interface, misoperation hardware lock LOCK, power switch, emergency stop switch, status indicator and sound and light alarm device

4.3. Mechanical room

Refrigeration unit, water tray, drain hole

Condenser, plate heat exchanger, wind motor

Freezing system safety protection device (see configuration list for details)

  1. Power distribution control cabinet

IO board, machine tool transformer, ballast, intermediate relay, time relay, solid state relay, AC contactor, thermal relay, fuse, under-reverse phase relay, air switch

  1. Heater

1. Nickel-chromium alloy electric wire heater

2. Heater control mode: non-contact and other periodic pulse width adjustment, SSR (solid state relay)

3. Heater power: (27) KW

4.5. Humidifier

1. External detachable boiler humidification method

2. Stainless steel armored humidifier

3. Humidifier control mode: non-contact and other periodic pulse width adjustment, SSR (solid state relay)

4. Water level control device, humidifier anti-drying device, sediment collecting device, liquid level observation window

5. Humidifier power: (18) KW

4.5. Waterway

1. Automatic water supply device

2.RO membrane + activated carbon water supply filter, removable cleaning

3. High and low temperature double water level electronic level switch to prevent


4. Water shortage and air pollution over temperature protection + ultra low water level protection + water supply timeout to ensure safe operation of equipment

  1. Power cable hole and drain hole
Located on the back of the machine room
  1. Refrigeration system
5.1. Ways of workingBinary cascade cooling
  1. Refrigeration compressor
Fully enclosed (semi-closed) low noise rotor compressor
  1. Evaporator
Outer fin internal threaded tube heat exchanger (also used as dehumidifier)
  1. Condenser
Air-cooled: outer fin internal threaded tube heat exchanger
  1. Throttling device
Expansion valve + capillary
  1. Plateheatexchanger

(usedincascaderefrigeration system)

Stainless steel brazed plate heat exchanger
  1. Refrigerator control mode

1. The control system automatically adjusts the optimal energy-saving condition of the chiller operation according to the test conditions.

2. The evaporator cooling capacity is switched by the control system to drive the solenoid valve

3. Compressor return air cooling circuit

  1. Cooling agent
R404a/R23 (Ozone depletion index is 0, R23 is used in cascade refrigeration system)
  1. Electrical control system
  1. Controller model
Japan OYO9256P

OYO9256P: 5.7 inches, 640 x 480 dot matrix, TFT color LCD display

Operation mode

Program mode, setting method

Setting method

OYO9256P Chinese and English menu (free choice), touch screen input

Program capacity

OYO9256P (touch type)

1. Program: up to 120 groups

2. Number of segments: up to 14400 segments

3. Number of cycles: maximum infinite loop

Predetermined area

Temperature: adjusted according to the temperature range of the equipment


Temperature: 0.01 ° C; time: 1 min; Humidity: 0.1% RH (temperature and humidity test equipment)


0~5VDC analog signal

Communication function

U disk interface, RS-232 interface, misoperation hardware lock LOCK, random computer communication software

control method

1. Anti-integration saturation PID

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

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

Curverecording function

With battery-protected RAM, it can save the set value, sampling value and sampling time of the device; the maximum recording time is 180 days (when the sampling period is 60S)

Accessory function

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 (automatic start and automatic stop operation)

5. Self-diagnosis function.

  1. Temperatureandhumidity measurement
Swiss Rodriguez electronic temperature and humidity sensor (damp heat only)
  1. Damp heat system water supply
  1. Watersupply method
Solenoid valve + water level switch automatic control
  1. Location of water supply unit
The back of the machine room is connected to Younik automatic pure water filtration, and the external interface directly connects the user to the sustainable water source.
  1. Waterquality requirements
Resistivity ≥ 2600 Ω.cm (≥ tap water quality)
  1. Safety protection device
  1. Refrigeration system

1. Compressor overheat protection

2. Compressor overcurrent protection

3. Compressor high and low voltage protection

4. Compressor oil pressure protection (optional for large semi-hermetic compressors)

5. Supply temperature over temperature protection

6. Ultra high pressure relief protection

7. Air-cooled: condensing fan overheated

8.2. Humidification system

1. Humidification heat pipe dry burning protection

2. Water level abnormal protection

3. Water supply overtime protection

  1. Test chamber

1. Adjustable over temperature protection

2. Air conditioning channel limit over temperature protection

3. Fan motor overheat protection

  1. Other

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

2. Overload and short circuit protection

3. The cabinet is opened several times to cause the refrigeration system fault alarm protection

(three) configuration list

Serial numbernameOrigin brandRemarks
1Controller (R232+U disk storage interface)Japan OYOOYO9256P
2Electromagnetic switchTaiwan Shilin or Taiwan TaianSP-11/16/18,CU-11/16/18
3thermal relayTaiwan Shilin or Taiwan Taian380V5.5-8.5A(8.5-12.5A)
4Intermediate relayJapan OmronMY2 or MY2N-JS
5Time RelayJapan CKCAH3-2
6Under-reverse phase relaySwiss JialeDPA51CM44
7Over temperature protectionKorea RAINBOWTS-320S
8SSRTaiwan Kaitong or Taiwan Yangming20A~40A
9Temperature and humidity sensor (damp heat only)RoznikH-300
10flashlightChinese rainbow40W high temperature type
11Signal indicatorShanghai TianyiLA12D
12Flash buzzerShanghai TianyiLA42S
13Machine control transformerTaiwan Huada500W
14Fuseless switchTaiwan Shilin380V/40A/60A/100A
15power switch buttonJapan CKC240V 5A
16Emergency stop switchJapan CKC240V 5A
17Heater (warming and humidifying)Taiwan Longxingcustom made
18Circulation fanTaiwanYongzhengorTaiwan Mitsukoshi220V90W
19wind millTaiwan Shangyu9F
20Liquid level switch (for constant temperature and humidity)Hong Kong Chinatown300V
21Pure water device (for constant temperature and humidity)UkrainianStandard
22Inlet water solenoid valveJapanese SNS220V 1/4
23Anti-sweat lineTaiwan GOOLMAX24VDC50W
24Multi-layer vacuum glass windowHong Kong Qingqiangcustom made
25High temperature lineChina Jin MingtaiOptional
26Wire and CableChina Jin MingtaiOptional
27compressorFrance Taikun or BitzerOptional
28CondenserTaiwan Keweilicustom made
29Condensing fan (for air-cooled)Guo Dunli or Shimmer220V350mm
30Water tower (for water cooling)China Liangyan10~50T
31Water pump (for water-cooled type)China Kenflay1.5P~5P
32Dry filterDanfoss, DenmarkDCL032/053/083/085
33Expansion valveDanfoss, DenmarkTS2
34The electromagnetic valveJapanese Heron Palace or Kasto3/8 or 5/8
35Plate heat exchanger (multilayer type)Japan Eastern UnionCB14-20HSR16
36Evapo Taiwan Keweili ratorTaiwan Zhonglicustom made
37The refrigerantDuPontR404A/R23
38Frozen oilBritish ice bearRL32H
39Oil separatorEmerson(formerly American ALCO)Largesystemsupporting 55824/55855
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