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Small Size Desk-Top Thermostat Constant Temp and Humidity Climate Test Chamber

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Negotiable MOQ: 1 Unit (Price negotiable depending on order volume and customization)
Key Specifications
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Certification:
CE, ISO
Warranty:
1 Year
After-sales Service:
Onsite
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Dongguan Zhongrui Insulation Material Co., Ltd.
Verified Business License
Payment & Shipping
Payment Methods:
Port of Shipment:
Shenzhen
Delivery Detail:
Delivery time depends on order quantity.

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Certification CE, ISO
Warranty 1 Year
After-sales Service Onsite
Transport Package Wooden Case
Specification 150L/250L/300L/500L
Origin China

Features
1. The resolution accuracy of the equipment is 0.01, and the test data is more accurate;
2. The whole machine is processed and formed by laser CNC machine tools, the thickness of the plate is 1.5mm, and the texture is stronger and firmer; 3. Equipped with USB and R232 communication devices, which is convenient for importing and exporting test data;
4. There are insulating cable holes on both sides of the box, which is convenient for two-way power supply, and the insulation is safer
5. The control system supports secondary development control, which can be expanded according to customer needs and has greater flexibility.
6. Four over-temperature protections (two built-in and two turbid vertical), all-round safety device protection for equipment.
 

1 Product name Desktop Programmable Constant temp and humidity test chamber
2 Sample limitation This test equipment prohibits:
Test or storage of samples of flammable, explosive and volatile substances
Testing or storage of samples of corrosive substances
Testing or storage of biological samples
Test or storage of samples of strong electromagnetic emission sources
Testing or storage of samples of radioactive material
Testing or storage of samples of highly toxic substances
Test or storage of samples that may produce flammable, explosive, volatile, highly toxic, corrosive and radioactive substances during the test or storage process

  1. Volume/size weight

3.1 Internal volume 50L
3.2 Internal chamber size 35cmW*35cmD*40cmH
3.3 External size 60cmW*130cmD*98cmH
3.4 Weight 180Kg
3.5 Input voltage 220V±10% 50Hz
3.6 Power consumption 4.5KW Max currant 22A

  1. Performance

4.1 Test condition The ambient temperature is +5~+28°C, the relative humidity is ≤85%, and there is no sample in the test chamber
4.2 Test method GB/T 5170.2-2008 /IEC60068-2-78:2007/Temperature test equipment
GB/T 5170.5-2008 /IEC60068-2-30:2005/Damp heat test equipment
4.3 Temp range -20-150ºC
4.4 Humidity range 20%-98%RH
4.5 Temp fluctuation 0.5ºC
4.6 Temp deviation ±2ºC
4.7 Temp uniformity 2ºC
4.8 Temp rise rate 3ºC/min( on average no loading)
4.9 Cooling rate 1ºC/min( on average no loading)
4.10 Humidity /temp control range
4.11 Humidity deviation ±2%RH

  1. structure

5.1 Insulation structure 1. Outer wall material: high-quality sand surface stainless steel plate
2. Inner wall material: high-quality mirror stainless steel plate (the sealing strip can withstand high and low temperature range -100 degrees ----+300 degrees, and the service life is 10 years)
3. Box insulation material: rigid polyurethane foam + glass fiber
5.2 Air flow 1. Adopt multi-blade centrifugal circulation fan, strengthen the shaft and make the rotating blade aluminum alloy with high and low temperature resistance, so as to achieve forced convection.
2. FLOW THROW air supply mode; horizontal diffusion and vertical heat exchange arc circulation.
5.3 Standard configuration 1. Observation window: 1 hollow tempered glass with transparent electric heating film (located on the door)
2. Lead hole: 1 φ50mm (located on the left side of the box)
3. Prepare indoor lighting on the door (high-efficiency and long-life energy-saving lamps)
4. Mobile casters: 4
5. Sample rack: 1 layer of stainless steel sample rack, 4 hooks, load-bearing (uniform distribution): 25kg/layer
(The accumulative total load of samples in the box shall not exceed: 100kg)
5.4 Door Single hinged door (left hinge, right handle when facing the cabinet), equipped with observation window, lighting, window frame/door frame anti-condensation electric heating device
5.5 Control panel Controller display, power switch and status indicators
5.6 Mechanical room Refrigeration unit, water tray, drain hole
Condensing fan, condenser air inlet, water tank
5.7 Electrical cabinet IO board, transformer, ballast, intermediate relay, time relay, solid state relay, AC contactor, thermal relay, fuse, air switch
5.8 Heating 1. Nickel-chromium alloy electric heating wire heater
2. Heater control mode: non-contact equal cycle pulse width modulation, SSR (solid state relay)
5.9 Humidifier  1. External detachable boiler humidification method
2. Stainless steel armored heater
3. Heater control mode: non-contact equal cycle pulse width modulation, SSR (solid state relay)
4. Water level control device, heater anti-dry device, sediment collection device, liquid level observation window
5.10 Water circulation 1. Supply water tank , with high and low water level indication, detachable for cleaning
2. High-efficiency electromagnetic extrusion water pump, which can run continuously for 5000H
4. High and low temperature double water level electronic liquid level switch can prevent misoperation
5. Over-temperature protection for water shortage and air burning + ultra-low water level protection + water supply overtime to ensure safe operation of equipment
5.11 Power cord /drainage hole On the back of the chamber

  1. Cooling system

6.1 Working mode two-stage compression
6.2 Compressor Fully enclosed low noise rotary compressor
6.3 Evaporator Finned tube heat exchanger (also used as dehumidifier)
6.4 Condenser Air-cooled: finned tube heat exchanger.
6.5 Throttling device Expansion valve + capillary
6.6 Plate heat exchanger Stainless steel brazed plate heat exchanger
6.7 Cooling control method 1. The control system automatically adjusts the best energy-saving working condition of the refrigerator according to the test conditions
2. The cooling capacity of the evaporator is switched by the solenoid valve driven by the control system
3. Compressor return air cooling circuit
6.8 Refrigerant R404a/R23 (ozone depletion index is 0, R23 is used for cascade refrigeration system)

  1. Control system

7.1 controller
7.2 Running mode Programmable/constant
7.3 Setting English/Chinese, tough screen input
7.4 Program 1. Program: maximum 10 groups
2. Number of segments: maximum 120 segments
3. The number of cycles: the maximum infinite cycle
7.5 Temp/humidity resolution Temperature: 0.1ºC; Time: 1min; Humidity: 0.1%RH (temperature and humidity test equipment)
7.6 Control method 1. Anti-integral saturation PID
2. BTC balanced temperature regulation control mode + DCC intelligent cooling capacity control + DEC intelligent electrical control (temperature test equipment)
3.BTHC balanced temperature and humidity control mode + DCC intelligent cooling control + DEC intelligent electrical control (temperature and humidity test equipment)
7.7 Curve record It has RAM with battery protection, which 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)
7.8 Other function 1. Fault alarm and cause, processing prompt function
2. Power-off protection function
3. Upper and lower limit temperature protection function
4. Calendar timing function (automatic start and automatic stop operation)
5. Self-diagnosis function.
7.9 Temp/humidity sensor Temperature: PT100 platinum thermal resistance
Humidity: Dry Wet Bulb Thermometer Method (Damp Heat Type Only)

  1. Water supply system

8.1 Water supply method Pump lift/front drawer tank/50L
8.2 Water requirement Resistivity ≥ 500Ω·m

  1. Safety protection

9.1 Cooling system 1. The compressor is overheated
2. Compressor overcurrent
3. Compressor overpressure
4. The condensing fan is overheated
9.2 Humidifier 1. Humidification heat pipe dry burning
2. Abnormal water level
3. Water supply overtime
9.3 Test chamber 1. Adjustable over-temperature
2. Limit overtemperature of air conditioning channel
3. The fan motor is overheated
9.4 others 1. Total power supply phase sequence and phase loss protection (applicable to three-phase power supply)
2. Overload and short circuit protection
3. Refrigeration system failure alarm protection caused by multiple door openings of the cabinet

  1. Installation

10.1 switch NFB power switch
10.2 Installation place 1. The ground is flat and well ventilated
2. There is no strong vibration around the equipment
3. There is no strong electromagnetic field around the equipment
4. There are no flammable, explosive, corrosive substances and dust around the equipment
5. Appropriate use and maintenance space should be left around the equipment, as shown in the figure below:
      
A: not less than 60cm B: not less than 120cm C: not less than 60cm D: not less than 120cm
10.3 Environmental condition 1. Temperature: 5ºC~35ºC
2. Relative humidity: ≤85%
3. Air pressure: 86kPa~106kPa
10.4 Water requirement
(Only for damp heat equipment with pure water machine) 		Flow ≥200kg/h, pressure 0.1MPa~0.25MPa
Tap water complies with GB 5749-1985 Hygienic Standard for Drinking Water
Note: The pure water machine is equipped with DN15 internal thread connector





Product Tags: Small Size Humidity Chamber , Climate Test Chamber , Thermostat Test Chamber

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Dongguan Zhongrui Insulation Material Co., Ltd.
Verified Business License
Business Type
Trading Company
Year Established
2017
Port of Shipment
SHENZHEN, GUANGZHOU
Main Markets
Southeast Asia, Eastern Asia, South Asia
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