HUITAI GDT-408CH High and low temperature alternating climate chamber with Humidity control 408L/-60~ 150 ℃

Temperature range -60~ 150 ℃, Temperature Fluctuation ≤ +/- 0.5 ℃, Temperature deviation ≤ +/- 2 ℃, Temperature Uniformity ≤ 2 ℃, Temperature resolution 0.1 ℃, Heating rate -40 ℃ → 100 ℃ 3~ 5 ℃/min (mechanical refrigeration, under standard load), cooling rate + 25 ℃ → -40 ℃ 1~ 1.5 ℃/min (mechanical refrigeration, under standard load), Humidity range 20% R.H~ 98% R.H, Humidity deviation ≤ +/- 3% R.H, Humidity stability +/- 1.5% R.H, Humidity resolution 0.1% R.H.

Brand

SKU: NB044255

HuiTai

Model

GDT-408CH

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HuiTai GDT-408CH High and low temperature alternating climate chamberOverview
Specifications
Comments
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GDT-408CH

High and low temperature alternating climate chamber

Instrument interface

GDT series configuration

temperature range	Aï¼-20~150 Bï¼-40~150℃ Cï¼-60~150℃
Humidity range	20%~98% Relative Humidity (model with H)
Display instrument	7-inch TFT color LCD display (can be connected to RMCS control software)
Operation mode	Fixed value mode, program mode (preset 100 groups, 100 steps, 999 cycles)
control method	BTC balance temperature control method + DCC (intelligent cooling capacity control) + DEC (intelligent electrical control) (temperature test equipment) BTHC balance temperature and humidity control method + DCC (intelligent cooling capacity control) + DEC (intelligent electrical control) ( Temperature and humidity testing equipment)
Curve recording function	It has battery-protected RAM that can save the deviceâs setting values, sampling values ââand sampling time; the maximum recording time is 350 days (when the sampling cycle is 1/min)
Software usage environment	The upper computer operating software is compatible with XP, Win7, Win8, and Win10 operating systems (provided by the user)
Communication function	Choose one of RS-485 interface MODBUS RTU communication protocol and Ethernet interface TCP/IP communication protocol; support secondary development and provide host computer operation software, RS-485 interface single device link, Ethernet interface can realize remote communication of multiple devices Online.
Way of working	A/B: Mechanical single-stage compression refrigeration system C: Two-stage cascade compressor refrigeration method
way of observation	Heated viewing window with LED internal lighting
Temperature and humidity sensing method	Temperature: Class A PT100 armored thermocouple Humidity: Class A PT100 armored thermocouple Dry and wet bulb thermometer method (works only in tests with humidity control)
safety protection	Fault alarm and cause, processing prompt function, power-off protection function, upper and lower limit temperature protection function, calendar timing function (automatic start and automatic stop running), self-diagnosis function
Verify configuration	Access hole with silicone plug (50 mm, 80mm, 100mm left)
Data interface	Ethernet + software, USB data export, 0-40MA signal output

Implementation standards

GB/T5170.2-2008 Temperature test equipment

GB/2423.1-2008 (1EC60068-2-1:2007) Low temperature test method AB.

GB/2423.2-2008(1EC60068-2-2:2007) High temperature test method BA. GB/T5170.5-2008 Damp heat test equipment.

GJB150.3(MIL-STD-810D) High temperature test method.

GJB150.4(MIL-STD-810D) Low temperature test method.

GB2423.3-93 (IEC68-2-3) Test Ca: Constant damp heat test method.

GB2423.4-93(1EC68-2-30) Test Db: alternating damp heat test method.

Equipment security protection

Cooling System

Compressor overpressure protection
Compressor motor overheat protection
Compressor motor overcurrent protection

humidification system

Humidification tube dry burning protection
Water supply abnormality protection
Water shortage abnormality protection

Test chamber protection

Adjustable test space over-temperature protection
Air conditioning channel extreme over-temperature protection
Ultra-high temperature protection is set inside the controller
Fan motor overheat protection

Other protection

Total power phase sequence and phase loss protection
Whole machine leakage protection
Load short circuit protection
Closed lightning protection

Refrigeration process

Refrigeration Compressors

French Taikang fully enclosed compressor

Way of working

A/B: Mechanical single-stage compression refrigeration system

C: Cascade compressor refrigeration method

Evaporator

High-efficiency components use slope-type evaporators (AC&R compound spoiler-type aluminum fins)

condenser

Adopt water cooling system to facilitate equipment movement, etc.

heat exchanger

Ultra-high efficiency SWEP plate type cold coal cold and heat exchange design is more efficient than the traditional internal spiral type

Installation process

1. Adopt nitrogen flushing welding process, use oxygen-free copper pipes for low-temperature connecting pipes, and use 48-hour high pressure-maintaining and anti-leakage process to ensure welding quality.

2. The pipeline installation adopts the bending process of pipe bending machine. Elbow welding is not allowed in the turning parts.

3. The low-temperature pipeline is equipped with shock-absorbing process pipes, and the refrigeration unit uses shock-absorbing springs and foot pads for shock absorption and noise reduction.

4. The filter dryer absorbs residual moisture, particles, impurities, and acidic substances in the refrigeration system.

5. The selection of solenoid valves is mainly based on brand. Necessary valve core cooling protection measures should be taken when welding solenoid valves to prevent damage or shortening of service life.

HuiTai GDT-408CH High and low temperature alternating climate chamberSpecifications

LIST	VALUE
Temperature range	-60~150℃
Temperature Fluctuation	≤±0.5℃
Temperature deviation	≤±2℃
Temperature Uniformity	≤2℃
Temperature Resolution	0.1℃
Heating rate	-40 ℃ → 100 ℃ 3~ 5 ℃/min (mechanical refrigeration, under standard load)
Cooling rate	+ 25 ℃ → -40 ℃ 1~ 1.5 ℃/min (mechanical refrigeration, under standard load)
Humidity range	20% R. H~ 98% R. H (see Temperature Humidity Controllable Chart)
Humidity Deviation	≤±3%R.H
Humidity stability	±1.5%R.H
Humidity resolution	0.1%R.H
Standard load Capacity	1Kg aluminum sheet, 200W calorific value
Interior Volume	408L
Voltage	380V/40A
Power	10Kw
Interior size	600800850mm
Dimensions	80017001900mm

HuiTai GDT-408CH High and low temperature alternating climate chamber Packing list

Host X1, instruction manual X1, certificate X1, Shelf X2

[Note] Because the manufacturer's packaging may be updated or upgraded, the detailed packaging list shall be subject to the latest standard configuration of the manufacturer.

FAQ

[Q]

How does the data logging function of the GDT-408CH support data management during the trial?

[A]

The test chamber has a RAM recording function with battery protection, which can record the setting value, sampling value and sampling time of the device. The maximum recording time is 350 days. It supports data export and host computer software operation, which is convenient for data management and analysis.

[Q]

Can the GDT-408CH climate box be used for automotive parts testing?

[A]

GDT-408CH can simulate the working state of auto parts under various environment conditions, such as low temperature start, high temperature durability and other tests, to ensure the Reliability and safety of auto parts under extreme temperature conditions.

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