HUDA QD-E708-1000K60-X5 and HUDA QD-E708-1000K60-X15 compare

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Model selection comparator If you have any questions, please click below Service	HUDA QD-E708-1000K60-X5 Rapid temperature change Test Chamber 109170.0 RMB China Detail	HUDA QD-E708-1000K60-X15 Rapid temperature change Test Chamber 218150.0 RMB China Detail

Model comparison

Type	alternating	alternating
Min-TEMP	-60℃	-60℃
Max-TEMP	150℃	150℃
working Volume	501~1000L	501~1000L

Parameter comparison

Temperature range	-60~150℃	-60~150℃
Humidity control range	20~98%R.H	20~98%R.H
Interior Volume	1000L	1000L
Heating rate
Interior size	100010001000mm	100010001000mm
Dimensions	≈155023302480mm	≈155023302480mm
Weight	About 900 kg	About 1200 kg
Maximum Power	40KW	60KW
Maximum current	65A	85A
Power	AC380V three-phase four-wire system + protective grounding N; Voltage allowable fluctuation range 10% V; Frequency allowable fluctuation range 50 +/- 0.5HZ; TN-S mode Power Supply or TT mode Power Supply; protective grounding resistance less than 4ΩLeakage protection, overload, short circuit and undercurrent protection	AC380V three-phase four-wire system + protective grounding N; Voltage allowable fluctuation range 10% V; Frequency allowable fluctuation range 50 +/- 0.5HZ; TN-S mode Power Supply or TT mode Power Supply; protective grounding resistance less than 4ΩLeakage protection, overload, short circuit and undercurrent protection
Temperature Resolution	0.01℃	0.01℃
Humidity resolution	0.1%R.H	0.1%R.H
Temperature deviation	±1℃	±1℃
Humidity Deviation	±2%R.H	±2%R.H
Temperature Uniformity	≤2℃	≤2℃
Humidity Uniformity	±3%R.H	±3%R.H
Temperature Fluctuation	±0.5℃	±0.5℃
Humidity stability	±2%R.H	±2%R.H
linear Cooling rate	5 ℃/min (under no-load conditions)	15 ℃/min (under no-load conditions)
Refrigeration system	Low temperature compressor imported from GermanyLow noise air-cooled chilled down water tower (optional)	Low temperature compressor imported from GermanyLow noise air-cooled chilled down water tower (optional)
Dehumidification system	Adopt fully enclosed compressor dehumidification	Adopt fully enclosed compressor dehumidification
refrigeration method	Blisters chill down	Blisters chill down
Evaporator	finned tube heat exchangerPlate heat exchanger brazed by high temperature copper	finned tube heat exchangerPlate heat exchanger brazed by high temperature copper
Evaporator	finned tube heat exchangerPlate heat exchanger brazed by high temperature copper	finned tube heat exchangerPlate heat exchanger brazed by high temperature copper
Throttle device	Thermal expansion valve, capillary tubing	Thermal expansion valve, capillary tubing
Control mode of refrigerator	Control system programmable logic Controller automatically adjusts the operating conditions of the refrigerator according to the test conditions, compressor return air chill down circuit, energy pressure control valve	Control system programmable logic Controller automatically adjusts the operating conditions of the refrigerator according to the test conditions, compressor return air chill down circuit, energy pressure control valve
refrigerant	Operating Environmentally friendly refrigerant R404a/R23 with ozone depletion index of 0	Operating Environmentally friendly refrigerant R404a/R23 with ozone depletion index of 0
Refrigeration system	Low temperature compressor imported from GermanyLow noise air-cooled chilled down water tower (optional)	Low temperature compressor imported from GermanyLow noise air-cooled chilled down water tower (optional)
circulating water pump	Low noise pipeline pump powerful water supply cycle (optional)	Low noise pipeline pump powerful water supply cycle (optional)
Controller system	Imported Controller, Separate Control of Temperature and Humidity	Imported Controller, Separate Control of Temperature and Humidity
setting method	Chinese/English interface, touch input	Chinese/English interface, touch input
operation mode	Program method/valuation method	Program method/valuation method
setting range	Maximum Temperature range 5 ℃Temperature: Adjust according to the temperature working interval of the equipment (upper limit + 5 ℃, lower limit -5 ℃)	Maximum Temperature range 5 ℃Temperature: Adjust according to the temperature working interval of the equipment (upper limit + 5 ℃, lower limit -5 ℃)
Display resolution	Temperature: 0.01 ℃; Humidity: 0.1% R.H; Time: 1min;	Temperature: 0.01 ℃; Humidity: 0.1% R.H; Time: 1min;
Power-off memory function	The power failure recovery mode can be set as: hot start/cold start/stop	The power failure recovery mode can be set as: hot start/cold start/stop
Temperature sensor	PT100 platinum resistor	PT100 platinum resistor
Heating system	Nickel alloy heating pipe, Circulating Fan, P.I.D control heating	Nickel alloy heating pipe, Circulating Fan, P.I.D control heating
Humidification system	Humidification mode of electric boiler is adopted, the compressor starts dehumidification, and P.I.D controls the humidification amount to reach the required HumidityHumidification heating pipe dry burning, abnormal water supply, abnormal drainage, abnormal water shortage protection	Humidification mode of electric boiler is adopted, the compressor starts dehumidification, and P.I.D controls the humidification amount to reach the required HumidityHumidification heating pipe dry burning, abnormal water supply, abnormal drainage, abnormal water shortage protection
Software Operating Environment	IBM PC compatible computer, CPU above PII, memory above 128M, Simplified Chinese Windows2000 or Simplified Chinese WindowsXP operating system	IBM PC compatible computer, CPU above PII, memory above 128M, Simplified Chinese Windows2000 or Simplified Chinese WindowsXP operating system
setting range	Maximum Temperature range 5 ℃Temperature: Adjust according to the temperature working interval of the equipment (upper limit + 5 ℃, lower limit -5 ℃)	Maximum Temperature range 5 ℃Temperature: Adjust according to the temperature working interval of the equipment (upper limit + 5 ℃, lower limit -5 ℃)
input	platinum resistance	platinum resistance
subsidiary function	Fault alarm and cause, processing prompt function; power-off protection function; Upper/Lower limit temperature protection function	Fault alarm and cause, processing prompt function; power-off protection function; Upper/Lower limit temperature protection function
Water quality requirements	It is required to meet the second-class water quality of the national analytical laboratory, and the solid impurity content of the water is less than 1mg/L	It is required to meet the second-class water quality of the national analytical laboratory, and the solid impurity content of the water is less than 1mg/L
Water supply method	Automatic/manual dual water supply mode	Automatic/manual dual water supply mode
Water supply device	1. The machine is equipped with a small water softener filtrate unit, which only needs to be connected to tap water, and the pure water required for automatic production spray is required to effectively prevent impurities in the water quality from adhering to the surface of the sample and affecting the test results; water supply pressure: 0.1~ 0.4Mpa; 2. PVC large water tank, manual water replenishment can be used when water supply is inconvenient	1. The machine is equipped with a small water softener filtrate unit, which only needs to be connected to tap water, and the pure water required for automatic production spray is required to effectively prevent impurities in the water quality from adhering to the surface of the sample and affecting the test results; water supply pressure: 0.1~ 0.4Mpa; 2. PVC large water tank, manual water replenishment can be used when water supply is inconvenient
Refrigeration system protection device	Compressor overheating, overcurrent, overpressure, phase inversion, oil shortage protection	Compressor overheating, overcurrent, overpressure, phase inversion, oil shortage protection
Protection device	Ultimate overtemperature, fan, motor overheating relay	Ultimate overtemperature, fan, motor overheating relay
Humidification system	Humidification mode of electric boiler is adopted, the compressor starts dehumidification, and P.I.D controls the humidification amount to reach the required HumidityHumidification heating pipe dry burning, abnormal water supply, abnormal drainage, abnormal water shortage protection	Humidification mode of electric boiler is adopted, the compressor starts dehumidification, and P.I.D controls the humidification amount to reach the required HumidityHumidification heating pipe dry burning, abnormal water supply, abnormal drainage, abnormal water shortage protection
Power	AC380V three-phase four-wire system + protective grounding N; Voltage allowable fluctuation range 10% V; Frequency allowable fluctuation range 50 +/- 0.5HZ; TN-S mode Power Supply or TT mode Power Supply; protective grounding resistance less than 4ΩLeakage protection, overload, short circuit and undercurrent protection	AC380V three-phase four-wire system + protective grounding N; Voltage allowable fluctuation range 10% V; Frequency allowable fluctuation range 50 +/- 0.5HZ; TN-S mode Power Supply or TT mode Power Supply; protective grounding resistance less than 4ΩLeakage protection, overload, short circuit and undercurrent protection
mode of transportation	Whole machine freight	Whole machine freight
Environmental temperature	5~30℃	5~30℃
Environmental humidity	≤85%R.H	≤85%R.H

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