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Programmable Temperature Humidity Test Chamber / Alternative Test Machine By Forced Air Cooling Rate 5℃ / Min

Categories Temperature Humidity Test Chamber
Brand Name: Q1-Test
Model Number: QTL-330C
Certification: CE, ASTM, ISO
Place of Origin: DONGGUAN
MOQ: 1 Set
Price: Negotiable
Payment Terms: T/T
Supply Ability: 10 Sets per Month
Delivery Time: 30 Days
Packaging Details: Plywood Case
Temperature: range -40℃~+150℃
Rate: Heating/Cooling Rate 5℃/min
Cooling: Forced Air Cooling
Control: Cold Balanced Control System
Material: Stainless steel with baking paint
Insulation: Rigid Polyurethane foam
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    Programmable Temperature Humidity Test Chamber / Alternative Test Machine By Forced Air Cooling Rate 5℃ / Min


    Programmable Temperature Alternative Test Chamber QTL-330C by Forced Air Cooling Rate 5℃/min

    Model: QTL-330C

    How to Choose a Chamber Size?


    Choosing a correct chamber size depends on the application and your available floor space. The suggested ratio is about 1:3 between product volume and the working volume of the chamber.

    ⅓ product to ⅔ empty space around the product ensures adequate airflow to the test sample and makes sure your test is conducted properly. Items that allow for airflow (such as a computer chassis with plenty of air vents) can take up a larger percentage of the test volume.

    Externally, consider that these machines create a lot of heat, and with test cycling up and down the temperature spectrum, the chambers themselves require good air circulation. Some units will require up to three feet (or more) of clearance in all directions to work properly.

    Depending on whether the test product is a live load, a larger chamber may be needed to dissipate heat produced by the test subject, adversely affecting the chamber’s pull down times or humidity system.

    Sand, dust, and high altitude chambers do not need a 1:3 ratio of product volume and empty space. The air speed inside the chamber is already very high for the products and makes a 1:3 ratio unnecessary.
    These chambers should be just slightly bigger than your test product.


    Features:


    1, 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.

    2, Touch screen controller is designed to save chamber programming and setup time with temperature limit and alarm to protect your product.

    3, Safety relay connection is provided to protect your device under test by removing power to it when the chamber is not running.

    4, 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.

    5, Fog-free viewing window and interior light makes viewing workspace freely and observe the test under best conditions.

    6, Adjustable product shelf slides out for easier product access. Shelf design is non-tipping and supports large product loads.

    7, Left side of chamber with diameter 50mm (support customized) cable port for power-on test.

    8, Optional electronic humidity sensor is used on all test chambers for accuracy and minimal maintenance.


    Optional Accessories:


    1, Cable Port: Size of cable port is available for 100mm, standard is 50mm;
    2, Water purifier RO 80: Continuously provide purified water for humidifying heater and wet-bulb
    3, Dehumidifier: The rotation regenerating dehumidifier M-120 ensures precise control of low humidity (10C, 15%RH) for electrostatic reliability tests.
    4, Defrosting Device: The chamber automatically detects and melts the frost on the evaporator when operating below 0deg in order to allow continuous operation
    5, Electronic humidity sensor: Precision Humidity Sensor with stainless steel protection tube

    Technical Specifications:


    Control ModeCold Balanced Control System
    Operating Temp. & Humid. Range+5deg ~ +35deg; <85%R.H.
    Temp. range-40℃ - 150℃
    Temp. fluctuation±0.5deg;
    Temp. uniformity≤2.0deg;
    Temp. Deviation≤1.0deg;
    Temp. Heating Timeheating rate 5 deg C / MIN
    Temp. Cooling Timecooling rate 5 deg C / MIN
    Power SupplyAC380V, 50/60HZ, Three-phase (Specified by User)
    Exterior Materialstainless steel with baking paint
    Interior materialSUS304# Stainless steel
    Insulation materialRigid Polyurethane foam
    Refrigeration systemMechanical cascade refrigeration system; Fin type radiator
    Circulation systemMechanical convection system
    Humidification Water Supply

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

    ControllerTouch Screen Controller
    Safety devicesOverheat protector Switch, Compressor overload protector,
    Fault alarm system


    Model Selection:


    ModelTemp RangeInternal Dimension
    (W x H x D) mm
    Exterior Dimension
    (W x H x D) mm
    QTL-330C-40℃~﹢150℃580*750*765mm880*1730*1970mm
    Remark: Heating/Cooling Rate 5℃/min, forced air cooling
    Support custom made dimension


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