Touch Screen Desk Type Temperature Test Chamber with Humidity Function

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Desk type chambers are suitable for testing small parts, such as semiconductor, computer components, automobile sensors and cellular phone parts.
These chambers combine excellent performance with compact design that is perfect for search and development or personal point-of-use testing.
They also can offer flexibility, uniformity and control accuracy required for cost effective testing. Available in several sizes, desk type chambers allow you to cost effectively and select exact chamber that best meets your environmental test conditions. 
QTS-27 Series Products Conform Following Standards:
IEC60068-3-5-2002 Environmental testing Part 3-5 Support documentation and guidance-Confirmation of the performance of temperature chambers
IEC6068-3-6-2002 Environmental testing-Part 3-6 Supporting documentation and guidance – Confirmation of the performance of temperature/humidity chambers
IEC68-2-1 (GB-2423.1-2008) Testing A: Low temperature testing method
IEC68-2-2 (GB-2423.2-2008) Testing B: High temperature testing method
MIL-STD-202F (GJB360.8-87) High temperature life testing
MIL-STD-810D (GBJ150.3) High temperature method
MIL-STD810D (GBJ150.4) Low temperature method
IEC68-2-3 (GB2423.3-93) Testing Ca: Constant moist heat testing method
IEC68-2-30 (GB2423.4-93) Testing Db: Alternate moist heat testing method
MIL-STD-810D (GJB150.9-93) Moist heat testing method
Optional Accessories:
Cable Port
Size of cable port is available for 100mm 
Water Purifier RO: 80
Continuously provide purified water for humidifying heater and wet-bulb
The rotation regenerating dehumidifier M-120 ensures precise control of low humidity (10, 15%RH) for electrostatic reliability tests.
Defrosting Device
The chamber automatically detects and melts the frost on the evaporator when operating below 0 in order to allow continuous operation.
Electronic Humidity Sensor
Precision Humidity Sensor with stainless steel protection tube 


QTS-27A (B/C)

Interior Dimension
W × H × D

300 × 300 × 300mm (11.8” ×11.8” ×11.8”)

Exterior Dimension
W × H × D

813 × 609 × 700mm (32.0” × 24.0” × 27.6”)
(Exclude height of motor cover)

Interior Volume


Control Mode

Balanced Temperature and Humidity Control System

Operating Temp. & Humid. Range

+5  +35; <85%R.H.

Temp. Range

A=0, B=-20, C=-40~ +100(150)

Humid. Range

30% 95%R.H.

Temp. & Humid. fluctuation

±0.5; ≤2%R.H.

Temp. & Humid. uniformity

≤2.0; ≤3%R.H.

Temp. & Humid. Resolution

0.01; 0.1%R.H.

Temp. Heating Time

0 ~ 100 within 30min; -20 ~ 150 within 45min

Temp. Cooling Time

20 ~ -40 within 60min

Power Supply

AC380V, 50/60HZ, Three-phase (Specified by User)

Exterior Material

Stainless steel with baking paint

Interior material

SUS304# Stainless steel

Insulation material

Rigid Polyurethane foam

Refrigeration system

Mechanical cascade refrigeration system; Fin type radiator

Circulation system

Mechanical convection system

Humidification Water Supply

Automatic water regulating, recoverable supply system, water 
shortage alarm system

Water quality

Distilled water only


Touch Screen Controller HL-1000

Safety devices

Overheat protector Switch, Compressor overload protector Switch
water shortage protector Switch, Humidifier protector Switch
Fault alarm system


Viewing window, Chamber Lamp, Cable port ø50mm,
Product shelf slides 2 pieces, universal casters
Touch screen controller HL-1000

Note: 1, The performance values are no specimen inside the test area.
      2, At 20 ambient temperature, relative humidity 65%rh, rated voltage
      3, According to IEC60068-3-5:2001 and IEC60068-3-6:2001
      4, The above specifications are for reference only.
Desk type chamber is optimized to save space while offering a wide test area, relatively light weight allows setup almost everywhere. 
Full variation to select from 3 temperature ranges (0, -20, -40), and standard volumes (27L and 80L) for selection to fulfill customers’ applications.
Cable port is available on both left and up side to allow wiring for power on testing samples.
Fog-free viewing window and interior light makes viewing workspace freely and observe the test under best conditions, optional viewing window is available in left side of chamber.
Chamber exterior material is stainless steel with environmentally baking paint resists corrosion and provides impact resistance. Interior material is SUS304# stainless steel with excellent heat resistance and easy to clean.
Touch screen controller HL-1000 is designed to save chamber programming and setup time with temperature limit and alarm to protect your product.
Safety relay connection is provided to protect your device under test by removing power to it when the chamber is not running.
RS-232 communications is for computer connection, programming can be set on computer by software, monitor testing process and automatically execute power on/off functions.
Adjustable product shelf slides out for easier product access. Shelf design is non-tipping and supports large product loads.
Left side of chamber with diameter 50mm cable port for power-on test.
Optional electronic humidity sensor is used on all test chambers for precision humidity measuring and minimal maintenance.

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Mr. Marshall Zheng
Tel: 86-769-23184144
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DongGuan Sinowon Precision Instrument Company
615, Building A1, Tianan Cyber Park, Dongguan, Guangdong, China (Mainland)
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