Product Description

The constant temperature and humidity test chamber, also known as the high-low temperature alternating humid heat test chamber, is a professional environmental testing equipment used to verify the performance of materials under various simulated environmental conditions. It is mainly applied to test the heat resistance, cold resistance, dry resistance and moisture resistance of various materials. Widely applicable for quality inspection of products in industries including electronics, electrical appliances, communication, instruments, automobiles, plastic products, metals, food, chemical engineering, building materials, medical treatment and aerospace.

Compliance Standards

GB/T5170.5, GB/T10586, GB/T2423.1 Test A, GB/T2423.2 Test B, GB/T2423.3 Test Ca, GB/T2423.4

IEC60068-2-1, IEC60068-2-2, IEC60068-2-3

Technical Data

Model	ST-TH80	ST-TH100	ST-TH150	ST-TH225	ST-TH408	ST-TH512	ST-TH800	ST-TH1000
Internal Dimension (W×H×D) (mm)	400×500×400	500×500×400	500×600×500	600×750×500	800×600×850	800×800×800	1000×1000×800	1000×1000×1000
External Dimension (W×H×D) (mm)	950×1400×1000	1050×1400×1000	1050×1500×1100	1150×1600×1100	1350×1600×1300	1350×1800×1300	1550×1900×1400	1550×1900×1600
Temperature Range	G: -20℃~+100℃/+150℃; Z: -40℃~+100℃/+150℃; D: -70℃~+100℃/+150℃
Humidity Range	20%~98%RH / 30%~98%RH; 30%~98%RH is optional special range, customizable as demand
Temp. & Humidity Uniformity	Temp. ≤1℃; Humidity ≤3.0%RH (10℃~85℃), ≤5.0%RH when RH＜75%
Temp. & Humidity Fluctuation	Temp.: ±0.5℃; Humidity: ±2.0%RH
Temp. & Humidity Deviation	Temp.: ±1.0℃; Humidity: ±2.0%RH
Sensor	Temp.: PT100; Humidity: Wet & Dry bulb / Electronic type
Heating Time	-20℃→+100℃: 30min approx; -40℃→+100℃: 40min approx; -70℃→+100℃: 50min approx
Cooling Time	+20℃→-20℃: 35min approx; +20℃→-40℃: 45min approx; +20℃→-70℃: 55min approx
Touch Screen Controller	Chinese & English operation interface, programmable running mode, real-time curve tracking, PID auto-calculation, authority protection etc.
Communication Function	USB port for test data export; RS485 connected to upper computer; Ethernet remote control & mobile APP connection
Auxiliary Function	Fault alarm & fault code display
Inner Chamber Material	SUS304 Stainless Steel
Outer Cabinet Material	Cold rolled steel plate with electrostatic coating / Stainless steel (optional)
Insulation Material	Rigid polyurethane foam + glass fiber cotton; Glass fiber cotton adopted when temperature＞150℃
Refrigeration Mode	Single-stage compressor refrigeration (air/water cooling); Two-stage cascade refrigeration (air/water cooling)
Refrigeration Compressor	Original imported Tecumseh hermetic compressor / American Copeland scroll compressor
Refrigeration Accessories	Evaporator, condenser, oil separator, filter, liquid receiver, high/low pressure switch, expansion valve, solenoid valve, hand valve, check valve, sight glass, etc.
Refrigerant	Environment-friendly refrigerant; Single stage: R404A; Cascade system: R404A+R23
Heating System	Fin type stainless steel heater + stainless steel tube heating pipe
Humidification System	Split independent humidifier with built-in 4200ml visible water tank
Accessories	1pc electric heating tempered glass observation window; 2 layers adjustable horizontal shelves; 1 set 500ml water filling bottle; 1 LED internal lamp; 1 USB port; 1 Ethernet port
Safety Protection Device	Over-temperature protection, heating dry-run protection, humidification dry-run protection, fan overload protection, compressor overheat/overcurrent/overpressure protection, water shortage alarm, phase sequence protection etc.
Weight (Kg)	200	230	300	400	450	500	550	600
Max Power	4KW	4KW	5KW	6KW	8KW	9KW	11KW	12KW
Power Supply	AC220V 50Hz Single-phase three-wire				AC380V±10% 50Hz Three-phase five-wire

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