GDJSX Series high and low temperature alternating humidity and heat test chambers

Scope of application
It is used for high and low temperature environmental tests and testing in industrial and mining enterprises, laboratories, scientific research institutions, etc.

Structural features
>Mirrored stainless steel studio for easy cleaning.
>The original French "Taikang" fully enclosed compressor has stable operation and reliable operation.
>Microcomputer temperature controller, with color touch LCD screen display and PID Self-tuning function, accurate temperature control and reliable.
>The air duct circulation system consists of a low-noise inlet fan and a suitable air duct, and the temperature in the work room is uniform.
>There is a diameter of 50 on the left side of the box MM Test hole, available for external power cord and signal cord.
>This series of test chambers is suitable for humid and heat tests, high temperature tests, low temperature tests and high and low temperature gradient tests on industrial products. It has a wide range of extreme temperature (humidity) and high actual temperature (humidity) accuracy.
  Features； Comply with the "Technical Conditions of Environmental Test Equipment" series of standards GB/T10586-2006（ Technical conditions of humid and heat test chamber), GB/T10589-1989（ Technical conditions of low temperature test chamber), GB/T10592-1989（ Technical conditions of high and low temperature test chambers), GB/T11158/T（ Requirements for technical conditions of high temperature test chamber).
>Optional printer
>Optional recorder
>Optional RS232/RS485 Communication interface, can be connected to the computer.

Note 1: The temperature and humidity controller in the quote is South Korea SAMWON-TEMI300 Program controller, key setting input method, program capacity is 10 groups x100 part, RS485 The communication port can be monitored and controlled online with the computer within a range of up to 1.2 kilometers through software.
Note 2: It can be upgraded to a temperature and humidity controller for Japan's excellent control UMC1200 Series program controller, 7" touch screen set input method, program capacity is 50 groups x50 The standard Ethernet communication port can be connected to the computer via software for remote monitoring and control. 300-day historical curve data display ； USB Port data import / Export function.
Note 3: Optional fixed / When an abnormality occurs in the mobile communication module, it can automatically inform the user or the maintenance person of the device by sending text messages or telephone calls, or it can also know the operating status of the device by dialing the phone number to the device.

Technical parameters:

Featured Description

(1) Temperature and humidity sensor   DIN A class Φ5mm SUS Made of stainless steel PT 100×2 The humidity is a dry and wet bulb analogy.

(2) Temperature and humidity control method P.I.D Automatic calculation + Fuzzy control.

(3) Temperature and humidity conversion, multi-stage compensation correction for microcomputer.

(4) Display interface 7 ″TFT Touch screen, optional display in Chinese and English.

(5) Communication interface Standard 10 M/100M The Ethernet communication interface can be connected to a maximum of 16 units.

(6) Data interface  USB Data interface, used for historical data export, process parameters and setting parameters import.

(7) Humanized operation

     a. Automatic control, refrigeration compressor, temperature and humidity electric heating output power adjustment, P.I.D Calculus control…etc.

     b. Safety self-test The safety self-test of the main system components, when an abnormality occurs, the status is indicated by the controller and stopped operating.

     c. Independent control The controller will heat up /Humidification /Dehumidification /All functions such as cooling are completely independently controlled.

Main functions

(1) Temperature and humidity display accuracy 0.1 ℃ / 0.1%RH。

(2) Temperature and humidity control accuracy ± 0.1℃/ ± 0.1%RH 。

(3) Setting screen: Key setting method, built-in operation selection (set value or program), program setting, appointment startup, program editing and other options, making it easy to operate.

(4) Programmable capacity 10 sets ×100Each section can have a time of 99 hours and 59 minutes.

(5) Loop function Each group of programs can execute 999 loopbacks.

(6) Display language English

(7) Appointment startup has the function of setting year, month, day, hour and minute.

(8) Program screen display

     a. Curve display The set value curve and actual running value curve can be displayed when the program is running.

     b. Real-time display Displays the execution program number, segments, remaining time and cycle times, temperature value, and humidity value.

     c. Output power display Temperature and humidity electric heating output power percentage display.

     d. Operation cumulative display of total operation time.

(9) Deviation value correction Temperature and humidity deviation value compensation and correction functions.

(10) I/O Self-test safety self-test function, automatic power outage protection and fault indication when abnormality occurs.

(11) Fault records display historical data of the fault, which is easy to trace, repair and troubleshoot.

(12) Three modes of power outage and return are optional. cBREAK(Interrupt )， dCOLD(Cold start )，eHOT(Hot start )。

(13) Automatic calculation microcomputer automatic calculation P.I.D. ， With 9 sets of parameters combined with solid-state relay power control, the temperature and humidity control is more accurate (proportional, integral, differential ＋Solid-state relay control method )。

(14) Temperature upper and lower limit protection The upper and lower limits of temperature protection can be set.

(15) The protection device controller monitors the safety protection system and preventive fault self-test control.

(16) Power-off memory can be stored for 10 years of power-off memory function.

(17) Operation mode selection Operation mode can be divided into program operation and fixed value operation.

(18) Screen backlight The brightness of the screen backlight can be adjusted, and the backlight time can be set.

(19) Setting the lock setting value has a lock function to prevent people from operating incorrectly.

(20) Program naming program data can be grouped, cleared, inserted and other functions according to the test name.

three. Structure and material:

(1) Inner box material  SUS-304 Stainless steel mirror panel.

(2) External material  SPCC Cold-rolled steel plate electrostatic powder paint treatment.

(3) Insulation material, high density hard PU(Polyamine ) Foamed and ultrafine fiberglass cotton.

(4) Box Door

     a. Window Multi-layer hollow thermal mold tempered glass window with lighting, window size W *H 260*340 ( ㎜)。

     b. Door handle Flat embedded handle.

     c. Door sealing: Double-layer sealing of temperature resistant and moisture-resistant silicone strips.

     d. Opening direction: Single-opening door design, opening method from the right side to the left side.

(5) Test hole The test hole is located on the left side of the body ∮50 ㎜×1Holes, silicone plug ×1 Only.

(6) Move and support Slidewheel Move adjustment placement position and strong bolt support fixed position *4Only (200kg/ wheel )。

(7) Shelf stainless steel bar shelf *2 Block, load 20 kg， Each floor can be adjusted in height of 50 ㎜。

Four. Temperature, humidity, electric heating and circulation:

(1) Air supply method: High impedance motor and aluminum alloy centrifugal air wheel. The air supply method is a horizontal air outlet arc cycle design.

(2) Air guide plate design Adjustable arc air guide plate design effectively improves temperature and humidity uniformity.

(3) Heating system Microcomputer intelligent automatic control electric heating power balance temperature regulation +High-performance stainless steel tube heater.

(4) Humidification system Microcomputer intelligent automatic control electric heating power balance temperature regulation +High-performance stainless steel tube heater. Hot steam humidification method.

five. Humidification water supply system:

(1) Water storage system built-in ABS Water tank ×1Only, capacity is 20 L ， Water tank A visible water level window is attached.

(2) Water supply system: water for humidification and water for wet bulbs, pump water supply method.

(3) Water level sensor Electromagnetic water level controller.

(4) Automatic hydration interface 5 ×8mm Automatic water replenishment interface for caliber, water supply pressure ≥2kgf/c㎡，Water supply ≥4.5L/Hour

six. Refrigeration system:

(1) Refrigeration device French Taikang fully sealed high-efficiency compressor +Air-cooled condenser.

(2) Heat generation load regulation Multi-stage heat exchange device with high cooling heat exchange capability.

(3) The air in the box circulated by the cooling and dehumidification system is heat exchanged through the fin-type evaporator, and the air temperature and dew point temperature are continuously reduced, which has the effect of cooling and dehumidification.

(4) Anti-condensation and anti-freeze are designed with heat pipe technology to prevent condensation and anti-freeze.

(5) High efficiency refrigeration components

     a. Evaporator Fin type internal thread copper tube evaporator, aluminum heat exchanger.

     b. Condenser Fin type internal thread copper tube evaporator, aluminum heat exchanger +High flow axial heat dissipation fan.

     c. Dry Filter European Denver drying filter.

     d. Oil separator   B and C Model equipped with American Aigao oil separator

     e. Refrigerants are all made of environmentally friendly refrigerants R404a/R23。

     f. Throttle device European Denver refrigeration expansion valve.

     g. Plate heat exchange Taiwan High Power plate heat exchange.

seven. Safety protection device:

(1) Circuit Breaker Fuseless switch circuit breaker.

(2) Controller internal protection

     a. Temperature and humidity sensors, open or short circuit (Overrange )。

     b. Overtemperature protection is the high and low temperature protection setting for the first layer operation.

(3) External fault detection protection

     a. Second layer protection overload protector (1 temperature group, 1 humidity group )。

     b. The third layer of protection is independent electronic temperature protection switch, which can set the upper temperature limit protection.

     c. Water shortage protection: Electromagnetic water level alarm and independent electronic temperature protection switch to prevent the heater from being damaged by water shortage and air burning.

     d. Compressor protection compressor pressure protection, overload protector, and overheating protection.

(4) Failure abnormal alarm When a fault abnormality occurs, the power outage protection will be automatically issued, and the alarm sound will be displayed on the controller.

eight. appendix:

(1) Wet ball gauze Wet ball gauze *12 strip.

(2) Operating manual includes product instruction manual, simple troubleshooting instructions, and product maintenance instructions.

(3) Factory inspection report: Nine-point temperature uniformity, three-point humidity uniformity test correction report (Traceable third-party metrology report for measuring instruments )。

Nine. Power supply: 1 Ø 220V 50Hz  3Ø 380V 50Hz

GDJSX-50A GDJSX-120A    GDJSX-250A    GDJSX-500A    GDJSX-800A

GDJSX-50B GDJSX-120B    GDJSX-250B    GDJSX-500B    GDJSX-800B

   GDJSX-120C    GDJSX-250C    GDJSX-500C    GDJSX-800C

ten. Ambient environment: Ambient temperature range that can be used: 5 ~35 ℃ ，Ambient temperature range for optimal performance: 15 ~30 ℃。

                                   ▲Not available for long-term freezing and refrigeration storage