ZKHS GDJW-225D and hzaoc GDJW-250D compare

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Model selection comparator If you have any questions, please click below Service	ZKHS GDJW-225D High-Low Temperature Cycling Test Chamber 44300.0 RMB China Detail	hzaoc GDJW-250D Temperature Cycling Test Chamber 51700.0 RMB China Detail

Model comparison

Type	constant temperature	constant temperature
Min-TEMP	-60℃	-60℃
Max-TEMP	150℃	150℃
working Volume	101~250L	101~250L

Parameter comparison

Interior size	500600750mm	500600810mm
Temperature range	-60~150℃	-60~150℃
Alternating range	-60℃~85℃
Temperature fluctuation	≤±0.5℃	≤±0.5℃
Heating rate	-20→100℃≈35min;-40→100℃≈45min	1.0～3.0℃/min
Cooling rate	25~-40℃≈50min;25~-60℃≈65min	0.7～1.0℃/min
display	Large screen touch screen temperature and humidity control instrument
Accuracy range	Setting Accuracy: temperature ± 0.1 ℃, indication Accuracy
Temperature transducer	Platinum resistance PT100Ω/MV
Heating system	Fully independent system, nickel-chromium alloy electric heating heater	Porcelain rack nickel-chromium wire electric heater
Refrigeration system	Original French "Taikang", fully enclosed air-cooled compression refrigeration method
Circulatory system	Temperature-resistant and low-noise air-conditioned motor, multi-leaf centrifugal wind turbine
Enclosure Material	A3 steel plate electrostatic spray treatment	Cold rolled steel plate
Inner chamber material	SUS304 stainless steel high quality mirror steel plate	1.0mmSUS304B stainless steel plate
Thermal insulation material	Polyurethane Rigid Foam, Ultrafine Glass Fiber Cotton	Glass insulation cotton
Door frame insulation	Double Layer High and Low Temperature Conditioning Silicone Rubber Door Seal
Timer	0~9999 M, H adjustable	0~999h
Safety Devices	Leakage, short circuit, over temperature, motor overheating, compressor overVoltage, overload, overcurrent protection
Power	AC280V ± 10% AC380V ± 10% 50Hz three-phase five-wire system	380V±10%AC380 (± 10%) V/50HZ three-phase five-wire system
Environment temperature	5~30℃	5 ℃~ + 28 ℃ (average temperature within 24 hours ≤ 28 ℃)
Environment humidity	≤85％R.H	≤85％R.H
Temperature Uniformity	≤±2℃	≤±2.0℃

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