Brand：HUDA
Model：QD-E705-8m³（-40℃）
Name：Constant temperature and Humidity Test Chamber
Specifications
| inner size | 8M ³ (Miscellaneous size can be customized) |
| Temperature range | -40~+80℃ |
| Specimen limit | This test equipment prohibits the test of flammable, explosive and volatile matter samples; the test of storing corrosion substance samples, the test of storing organisms, the test and storage of strong electromagnetic emission source samples |
| Power Supply conditions | The user is required to configure the air or power switch of the corresponding Capacity for the equipment at the installation site, and this switch must be used independently to control the equipment |
| Voltage fluctuation allowance | 10% |
| Allowable Frequency Range | 50±0.5ＨZ |
| Protective ground resistance | Less than 4Ω |
| Power supply Voltage | 380VAC +/- 10%, 50Hz three-phase four-wire N + protective grounding |
| Functional requirements | 1. (air) indoor space cooling, heating, humidification, dehumidification; 2. According to the temperature and Humidity setting, the indoor space reaches the set temperature and Humidity |
| Test environmental conditions | Environmental temperature is + 25 ℃, Relative Humidity ≤ 85%, no sample in the test chamber measured under the condition. |
| Humidity range | 20～98%HR |
| Temperature Resolution | 0.01℃ |
| Heating rate | + 25 ℃ → + 80 ℃ ≤ 35 min (no-load condition) |
| Laboratory structure | Combination assembled board, detachable structure, convenient on-site installation. |
| Enclosure Material | Color plate φ = 0.8mm |
| Inner box material | Stainless steel plate SUS304 φ = 0.8mm |
| library thickness | 100Mm insulation material is rigid polyurethane foam |
| Baseplate load | The baseplate is strengthened, and the load can be 600kg/m2 (evenly distributed load) |
| The material of the door | Same warehouse board |
| Thickness of the door | 100Mm insulation material is rigid polyurethane foam |
| door | Double door, effective clearance size W1500 * H2200mm, |
| Door lock | Japanese door lock, strong door hinge, with anti-deadlock device |
| Viewing Window | 2 Viewing Windows: There are 2 W300 * H450mm conductive film explosion-proof and fog-proof tempered Glass Viewing Windows on the door. |
| test hole | 1 test hole, size: φ 100mm, position to be determined by the customer |
| Control Panel | TEMI2700 LCD touch programmable Control system imported from Korea; lighting switch, main power switch, RS-232 communication interface |
| Machinery room | Refrigeration unit, exhaust fan, drainage device, water vapor outlet |
| Distribution control cabinet | Total power circuit breaker, Controller, switchboard, cooling fan, over-temperature protector |
| Heating system | Using scale heat dissipation heating pipe P.I.D to control heating to achieve temperature equilibrating |
| Chill down system | Heat exchanger: water-cooled condenser |
| mode of transportation | The overall transportation of the machinery room, the packaging and transportation of the warehouse body parts |
| Controller | Imported Controller, control temperature and Humidity respectively; Korea SAMWON, color touch screen control TEMI2700 |
| RS-232 communication interface | Can be connected to a computer to display Linear dispersion, data acquisition; can be used as a monitoring and remote Control system; can be synchronized with multiple machines |
| SD memory card | Used to store test data and test Linear dispersion, standard storage Capacity is 2G, can be expanded to 4G |
| setting method | Chinese/English interface, touch input |
| operation mode | Program method/valuation method |
| set range | Temperature range 5 ℃ |
| Display resolution | Temperature: 0.01 ℃; Humidity: 0.1%; Time: 1min |
| Power-off memory function | The power failure recovery mode can be set as: hot start/cold start/stop |
| Boot reservation function | You can set the boot time at will, and the machine will run automatically after turning on the Power Supply. |
| Temperature measurement body | PT100 Platinum Resistor |
| Linear dispersion recording function | With battery-protected RAM, it can save the setting value, sampling value and sampling time of the device; the maximum recording time is 60 days (when the sampling period is 1.5min) |
| Software Operating Environment | IBM PC compatible machine, CPU above PII, memory above 128M, Simplified Chinese Windows2000 or Simplified Chinese WindowsXP operating system |
| network connection | It can be connected to the Ethernet through professional software, remote control and remote assistance can be done through the network, and test data can be collected through the network, and multiple machines can be controlled simultaneously |
| set range | Temperature: Adjust according to the temperature working interval of the equipment (upper limit + 5 ℃, lower limit -5 ℃) |
| input | Platinum resistance/DC 1~ 5V input |
| subsidiary function | fault alarm and cause, processing prompt function, power failure protection function, Upper/Lower limit temperature protection function |
| Refrigeration method | This laboratory adopts a binary duplex refrigeration system, the duplex system includes a high temperature stage refrigeration cycle and a low temperature stage refrigeration cycle, and the heat exchange is realized by evaporative condenser |
| Refrigeration compressor | Imported low temperature compressor |
| condenser | Water-cooled heat exchanger |
| evaporator | finned tube heat exchanger |
| Evaporative condenser | Stainless steel brazed plate heat exchanger |
| Throttle device | Thermal expansion valve, capillary tubing |
| Control mode of refrigerator | Control system PLC (programmable logic Controller) automatically adjusts the operating conditions of the refrigerator according to the test conditions, compressor return air chill down circuit, energy pressure regulating valve |
| refrigerant | Using an environmentally friendly refrigerant R404A + R23 with an ozone depletion index of 0 |
| hydration method | Three-stage Filter filtrate, pump lift automatic water supply, circulation filtrate recovery |
| Dehumidification mode | Humidification mode, special dehumidification compressor to start dehumidification, P.I.D control humidification to achieve the required Humidity |
| Refrigeration system | Compressor overheating, overcurrent, overpressure protection, etc |
| test chamber | Ultimate overtemperature, fan, motor overheating relay |
| Humidification system | Humidification heat pipe dry burning, abnormal water supply, abnormal drainage, abnormal water shortage |
| Power supply Voltage | Leakage protection, overload and short circuit protection |
| Environmental temperature | 5℃~+35℃ |
| Humidification water supply | Water quality: tap water, equipped with three-stage Filter. Connecting pipe diameter: divided into tap water pipe roots. Water supply pressure: 0.1~ 0.4Mpa |
| gas | no requirement |
| Humidity resolution | 0.1%RH |
| Temperature deviation | ±1.5℃ |
| Humidity Deviation | ±2%RH |
| Temperature Uniformity | ≤2℃ |
| Humidity Uniformity | ≤3%RH |
| Temperature Fluctuation | ±0.5℃ |
| Humidity stability | ±2%RH |
| Cooling rate | + 25 ℃ → -40 ℃ ≤ 60 min (no-load condition) |
| Environmental humidity | ≤85％ |
Packing list
host X1, manual X1, certificate X1, warranty card X1
After-sales instructions
Warranty days: 365 days
1. For product quality problems caused by non-human products of instruments and equipment, the manufacturer will provide free warranty services during the warranty period;
2. There is no warranty period for fragile and consumable parts, and if you find product quality problems after receiving the goods, please apply for return and exchange within 7 days, and you will not wait for the overdue ones;
[Note] For after-sales services outside the Chinese mainland, if the instrument requires repair, the shipping and possible associated taxes shall be borne by the sender. Generation address of the manual: http://en.nbchao.com/p/41450/Specification.html , which is only used by users who purchase commodities from the NBCHAO.