Lmet Industrial (Hongkong) Co., Ltd.

China Manufacturer with main products: Tensile Tester, Compression Tester, Drop Tester, Environmental Chamber, UV Aging Chamber, Video Measuring Machine, Push Pull Tester, Salt...

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Walk in Constant Temperature Humidity Test Chamber

Supply Ability: 50 Set(s) per Month
Shipping: 45 Working Days After Order Confirmed
Payment Terms: T/T
Export Markets: North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, Mid East, Eastern Asia, Western Europe
Packaging Details: Standard Export Plywood Case

Quick Details

  • Usage: Reliability Test Chambers
  • Power: Electronic
  • Brand Name: Lmet Test
  • Warranty: 12 Months
  • weight: 1000kg
  • Model Number: LTHW-Series
  • Name: Walk in Constant Temperature Humidity Test Chamber
  • Model: LTHW-Series
  • Usage: Reliability Testing
  • Temperature range: -70~150 degree C
  • Humidity Range: 20%~98%R.H.
  • Uniformity: 2.0 degree C; 3.5% R.H.
  • Control Accuracy: 0.5 degree C; 2.5% R.H.
  • Cooling System: Air cooling/water cooling
  • Compressor: French Tecumseh Brand, Germany Bizer Brand
  • Power: AC380V

Specifications

WALK-in CONSTANT TEMPERATURE HUMIDITY TEST CHAMBER

WALKIN CONSTANT TEMPERATURE HUMIDITY TEST CHAMBER

FUNCTIONAL FEATURES--WALK-in CONSTANT TEMPERATURE HUMIDITY TEST CHAMBER

Internal Test Chamber is designed and made of SUS 304 high-low temperature resistance stainless steel;

Insulation material is introduced frame retardant strength PU Polyurethane foam insulation material; 

Observation Window is designed and made with vacuum glass observation window on door, and door frame with electric heat
Resistant, anti-frosting, anti-condensing devices to enable test technician can observe testing specimen in testing in an easy way. 

Cable Port with its diameter at 50mm is designed on left of testing chamber, and processed with silicon filling and sealing as well as
Designed with stainless steel cover for safety purpose. 

Walk-in environmental test, to guarantee safety testing operation, is designed with Explosion-proof pressure releasing function with
1 ventilation hole on left or right side of test chamber for pressure releasing purpose.  

Sealing process for test chamber is introduced with silicone sealing strip to provide an excellent sealing performance. while push-in
Testing holder with good loading bear is made for internal environmental test. 

A close-type mechanical pressure balance & regulation device is introduced to balance difference between inside and outside of test
Chamber to protect testing chamber.  

4 arrays of explosion-proof and energy-save lamp is installed inside of test chamber for observation while steel base frame for test
Chamber with loading bear no less than 2000kg/square meters 

Air Supply System with constant air flow as well as uniform air distribution is driven by branded asynchronous motor, multi-blades
Centrifugal circulating blower as well as high-performance sensors. 

Refrigeration System is introduced with French Tecumseh compressor for dehumification while Germany Bitzer compresor for
Refrigeration system, while uses environmental friendly refrigerant HFC R404A, R23A. 

Heating System is designed with SSR,Solid-State Relay  & controller to provide high accurate non-contact switch control, and
the heating tube introduced with Naked Wire Nickel Chromium Alloy Electric Heating Tube. 

Control Method for walk-in Test Chamber is introduced with Programmable high accuracy micro computer controller, use cold
Mirror dew point instrument control temp. Humidity system. Cold mirror dew point instrument control temp. Humidity system.

P.I.D., BTC balance temperature control method  thermal compensation function+DDC digital cold control +DEC digital electric
Control Temperature change test program setting 

TECHNICAL PARAMETERSWALK-in CONSTANT TEMPERATURE HUMIDITY TEST CHAMBER

Chamber Model 

LTHW-6M

LTHW-8M

LTHW-10M

LTHW-15M

LTHW-30M

LTHW-80M

Temp. Range: 

Low Temperature: A: 25 degree C ;B: 0 25 degree C;C: -20 25 degree C; D: -40 25 degree C E:-70 25 degree C     High Temperature: 80 25 degree C 80~150 25 degree C  Optional  

Humidity Range 

20%~98%R.H. 10%~98%R.H./5%~98%R.H. Customize available

Analytic Accuracy 

0.1 25 degree C; 0.1% R.H

Uniformity 

2.0 25 degree C; 3.5% R.H.

Control Accuracy 

0.5 25 degree C; 2.5% R.H.

Temperature Rising/Falling Speed Rate

Temp. Rising Approx 1.0~3.0 25 degree C/min; Temp. Cooling Rate Approx. 0.5~1 25 degree C/min.

Cooling System

Air cooling/water cooling 

Protection Devices

Fuse-free switch, overloading protection switch  for compressor,high and low voltage coolant protection switch, over-humidity & over-temperature protection switch, fuses,  fault warning system, water short storage warning protection

Optional Accessories

Slope for cart, Recorder, Water Purifier, Dehumidifier

Compressor

 French Tecumseh Brand, Germany Bizer Brand

Power Source 

 AC 380 V,50/60HZ,3 phase  5 Wires 

STANDARD COMPLIANCEWALK-in CONSTANT TEMPERATURE HUMIDITY TEST CHAMBER

GB/T  2423.1-2001 

Environmental testing - Part 2: Test methods - Tests A: Cold

GB/T  2423.2-2001

Environmental testing - Part 2: Test methods - Tests B: Dry heat

GB/T  2423.3-1993 

Basic environmental testing procedures for electric and electronic products. Test Ca:Damp heat,steady state

GB/T  2423.4-1993 

Environmental testing for electric and electronic products - Part 2: Test method - Test Db: Damp heat,Cyclic

GB/T 2423.9-2001 

Environmental testing for electric and electronic products - Part 2: Testing method test Cab: Damp heat Steady state

GB/T  2423.50-1999 

Environmental testing for electric and electronic products Part 2: Tests--Test Cy:Damp heat,steady state,accelerated test primarily intended

IEC  60068-2-14

Environmental testing -- Part 2-14: Tests -- Test N: Change of temperature

IEC60068-2-78

Environmental Testing - Part 2-78: Tests-Test ca B: Damp Heat, Steady State

IEC 60068-3-4:2001 

Environment Tests for Electric and Electronic Products-Guidance for Damp Heat Tests

GB/T2423.34-2005

Environmental testing for electric and electronic products Part 2:Test Methods Test Z/AD:Composite temperature/humidity cyclic test

GB/T  14092.1-1993

Environmental condition for machinery products-Warm-damp

MIL-STD-810

 Environmental Engineering Considerations and Laboratory Tests

 

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