Humidity and temperature test chamber BRS series

Product catalog summary

Specification Overview:
The document outlines the specifications for the Humidity and Temperature Test Chamber, model BRS-20KL-HW, by ITM-LAB MACHINE INC. It includes technical indicators, structural features, refrigeration system, electrical control system, safety protection devices, and other configurations.

Technical Indicators:

Product Name and Model: Step-in constant temperature aging test box, BRS-20KL-HW.
Specimen Limitation: Prohibits testing or storage of flammable, explosive, volatile, corrosive, and biological samples. Prevents electromagnetic interference above 3KHz-4KHz.
Volume and Size: Nominal content volume is 20m³. Inner box dimensions are W2900mm×H2300mm×D2900mm, and overall dimensions are W3100mm×H2500mm×D3100mm.

Performance:

Environmental Conditions: Temperature range is 5 ~ 30℃, relative humidity ≤ 85% RH, and cooling water temperature ≤ 30℃.
Temperature Range: 20℃ with fluctuations of ±0.5℃ and deviation of ±1.0℃.
Standards: Meets GB/T2423.1-2008 and GJB150.4-1986 low temperature test standards.

Structural Features:

Thermal Insulation: Plate thickness of 50mm with good heat insulation and moisture-proof effects.
Air Conditioning Channel: Includes fan, heater, evaporator, and drainage device.
Control Panel: Features temperature control display, overtemperature protection, and operation indicators.

Refrigeration System:

Working Methods: Mechanical compression with PID control.
Components: Includes imported compressor, finned evaporator, air-cooled heat exchanger, and expansion valve.
Refrigerant: Uses R22.

Electrical Control System:

Controller: 7-inch color touch screen with TFT color LCD display.
Program Capacity: Editable up to 100 sets of programs with 100 steps each.
Communication: Optional RS-485 interface for local and remote communication.

Safety Protection Devices:

Refrigeration System: Includes compressor overpressure and overheating protection.
Laboratory: Adjustable over-temperature protection and automatic shutdown features.

Other Configurations:

Lead Hole: Customizable specifications available.
Observation Window: Customizable position and quantity.
Transportation: Separate transportation and on-site assembly.

Usage Environment Requirements:

Installation Site: Flat, well-ventilated ground without flammable or corrosive gases.
Environmental Conditions: Temperature 5℃ ~ 35℃, relative humidity ≤ 85%RH.
Power Supply: AC380V with specific grounding and fluctuation allowances.

Third Party Verification:
Inspection report issued by the company, valid for one year, with optional verification by the National Metrology and Testing Center.

Catalog excerpts

Humidity and temperature test chamber BRS series-1

Specification of Humidity and Temperature Test Chamber MODEL:BRS-20KL-HW Technical indicators: Step-in constant temperature aging test box 1. Product name Product model This test equipment is prohibited. Test or storage of samples of flammable, explosive and volatile substances Test or storage of corrosive material samples Test or storage of biological samples Prevent electromagnetic interference above 3KHz-4KHz

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Humidity and temperature test chamber BRS series-2

4. Performance The temperature is 5 ~ 30℃, the relative humidity is less than or equal to 85% RH, 4.1. Test environmental Circulating cooling water temperature ≤ 30℃ and circulating cooling water supply conditions pressure of 0.25 ~ 0.4 MPa There is no sample in the test box. 4.2. Test method Temperature test equipment 4.3. Temperature range 4.4. fluctuation 4.5. deviation 4.6. uniformity Temperature Temperature Temperature GB/T2423.1-2008 test a: low temperature test method GJB150.4-1986 Low temperature test 5. Structural features Plate thickness 50mm 5.1. Thermal insulation According to the...

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Humidity and temperature test chamber BRS series-3

Left side of mounting door frame of control panel. The mechanical room contains: System protection device of refrigeration unit, fan and distribution control cabinet. Cooling fan switchboard 5.7. Distribution control Main power circuit breaker cabinet Compressor circuit breaker Electrothermal short circuit breaker Automatic control circuit system 6. Refrigeration system 6.1. Working methods Mechanical compression+PID 6.2. Refrigeration Imported totally enclosed compressor compressor 6.3. evaporator finned evaporator Air cooled heat exchanger Expansion valve \ capillary 6.6. Evaporative Efficient...

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Humidity and temperature test chamber BRS series-4

7-inch color touch screen controller 30× 240 dot matrix, TFT color LCD display Operation mode Setting mode Method of procedure and setting value Touch screen mode input. Chinese and English menu Editable: 100 sets of programs. Each program has a maximum of 100 steps and 999 Program capacity cycles. Program linkable Temperature: adjusted according to the temperature working range of the equipment (upper limit +5℃, lower limit -5℃) resolution ratio USB2.0 interface, curve download and storage (optional) Communication function (optional) RS-485 interface, with local and remote communication functions...

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Humidity and temperature test chamber BRS series-5

8. Safety protection device Compressor overpressure 8.1. Refrigeration system Overheating of compressor Compressor motor overcurrent Adjustable over-temperature protection Automatic overtemperature shutdown of test space temperature Limit overtemperature of air conditioning channel Fan overheating Total power phase sequence and open phase protection earth leakage protection Load short circuit protection 9. Other configurations 9.1. Lead hole 9.2. Observation window Available in φ50mm and φ100mm specifications, the location and quantity can be customized according to the user's requirements (this...

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Humidity and temperature test chamber BRS series-6

AC380V three-phase four-wire+protective ground wire; Allowable voltage fluctuation range: AC (1 10%) 380 V Allowable frequency fluctuation range: (1 1%) 50hz 12.3 power supply The grounding resistance of protective ground wire is less than 4ω; TN-S power supply condition power supply or TT power supply The user is required to configure the air or power switch with corresponding capacity for the equipment at the installation site, and this switch must be used independently and exclusively for this equipment. Power supply 16KW capacity maximum current 40A When the equipment is not working, the...

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Humidity and temperature test chamber BRS series-7

solenoid valve Expansion valve refrigerant C control part controller Japan/Den mark power switch TH7010 Leakage protection type PT100 contactor Heating pipe thermorelay Underphase protector overtemperatur e protection Schneider Weide Schneider solid-state relay timer relay Omron Omron Minxing electric cable wire cable China France United States of America France China France Switzerlan d South Korea Switzerlan d Japan Japan China

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