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High and low temperature damp heat test chamber

-70 ℃ high and low temperature damp heat test chamber

Source: website release time: November 7, 2018 14:37:00 reading: 879

-70 High and low temperature humidity and heat test chamber Structural form:

The integrated structure is adopted , The existing test chamber consists of a high temperature test chamber located at the upper part , It consists of a low temperature test box at the bottom, a refrigeration unit cabinet at the rear and an electrical control cabinet (system) on the left rear panel. In this way, the box covers a small area, compact structure and beautiful appearance , The refrigeration unit is placed in a separate box , In order to reduce the impact of vibration and noise of refrigeration unit on the test box , At the same time, it is convenient for the installation and maintenance of the unit , The electrical control panel is placed on the left side of the test box to facilitate operation.

Outer wall material: carbon steel plate , The surface is treated by electrostatic color spray.

Inner wall material: imported SUS304 Stainless steel plate , Corrosion resistant, easy to clean, beautiful and generous.

Thermal insulation material: superfine glass fiber cotton.

Sample rack: stainless steel sample rack with slide guide moving up and down. Double acting cylinder is used to provide stable and even power , The positioning device of the sample rack adopts Germany FESTO The company produces indirect electrical sensors.

Observation window: open one on the door of upper box (high temperature box) three hundred and fifty × two hundred and fifty Mm electric heating film moisture proof and temperature isolation observation window.

Cable threading hole: sliding cable conduit is arranged on the upper part of the sample rack and the top of the high temperature test box.

Load bearing of sample rack: 30K .

Laboratory lighting: damp proof lamp.

 -70 ℃ high and low temperature damp heat test chamber

-70 High and low temperature humidity and heat test chamber Refrigeration system control

one Compressor: totally enclosed Taikang, France 1.5HP × two × one group

two Refrigeration mode: cascade refrigeration

three Condensation mode: forced air cooling

four Refrigerant: R404A R23 (environmental protection)

five Ventilation and pressurization are applied to the system pipeline 48H Leak detection test .

six Heating and cooling systems are completely independent

seven Inner spiral refrigerant copper tube

eight Slope evaporator

nine Drying filter, refrigerant flow window, repair valve, oil separator, solenoid valve and liquid storage tank are all imported original parts

ten Dehumidification system: adopt evaporator coil dew point temperature laminar contact dehumidification mode

eleven Start when cooling down R404A R23 , Only dehumidification is started R404A (energy saving and consumption reducing)

-70 High and low temperature humidity and heat test chamber heating system

one High and low temperature humidity and heat box adopts far infrared nickel alloy high-speed heating( 2KW × two )Electric heater

two High temperature completely independent system , It does not affect low temperature test, high temperature test and alternating damp heat

three The output power of temperature and humidity control is calculated by microcomputer , In order to achieve high accuracy and efficiency of electricity efficiency


-70 High and low temperature humidity and heat test chamber Humidification system

one External boiler steam humidifier

two The high and low temperature humidity and heat box has automatic water level compensation and water shortage alarm system

three High speed heating of far infrared stainless steel( 0.75KW × three )Electric heating tube

four And humidity control P.I.D S.S.R , Coordinated control of system and channel

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