HJC1-C type environmental chamber
[Testing items]
Suitable for indoor all sorts of complete sets of furniture, man-made board and veneer man-made board, adhesive and wood, wall cloth, curtain of formaldehyde, VOC concentration detection.
[Applicable standards]
GB18580-2001 Indoor decorating and refurbishing materials-Limit of formaldehyde emission of wood based panels and finishing products (clause6.4)
GB18587-2001 Indoor decorating and refurbishing materials-Limitations of harmful substances emitted from carpets, carpet cushions and adhesives(Appendix A)
GB50325 Code for indoor environmental pollution control of civil building engineering
LY/T1612-2004 The climate chamber for determination of formaldehyde emission
[Features]
The device adopts PLC automatic control, process control curve shows,
Check the original records and test results of several control functions.
The overall design of the device has to adapt to a wide range of simple, stable performance, high precision control, collecting accurate, comprehensive and low noise advantages.
[Technical parameters]
Test module structure: the tank adopts SUS304 mirror stainless steel plate as a whole (seamless) welding, finish Ⅲ level or above, steel plate thickness of 3.0 mm; All welds after polishing, no deformation, edge, Angle all made certain radian, available water to wash clean; No rubber and adhesives etc there is interference for testing materials, sealing materials and other components in contact with the test chamber air, not adsorbed organic matter and formaldehyde; Equipment during normal operation, the test chamber shall be no condensation, atomization phenomenon or condensation of water
Appearance: Coating smooth, uniform color, no exposed at the end, from the floor, bubbling, scars, deep scratches and other defects;
Working cabin temperature range: 10 ℃-40 ℃, volatility ≤0.5 ℃, the temperature deviation: ± 0.5 ℃.
Workroom humidity range: 30% R.H-70% R.H. (23-25 ℃ test status), volatility of 3% R.H. or less, humidity deviation: plus or minus 5% R.H.
Ventilation rate: 0.3 m3 ~ 2 m3, regulating accuracy: ventilation rate plus or minus 1%;Air exchange rate (0.2- 2.0) times/h.
Cabin air flow: the no-load cabin air flow rate: (0.1 ~ 0.3) m / s, accuracy ≤0.05m / s;
Cabin air Uniformity: When idling, the concentration values between any two points in the cabin of the relative standard deviation of reference should be ≤5%;
The background concentration: Climate cabin load runtime: Formaldehyde background concentration: ≤0.006mg / m3,individual background VOC concentration: ≤0.002mg / m3, TVOC background concentration: ≤0.02mg / m3;
Sealing requirements: equipment operation, the test cabin with respect to the external pressure: 10 ± 5Pa
Environmental chamber settling time / continuous working time: the cabin temperature and humidity stability test takes less than 2h; continuous working time should not be less than 28d;
Equipment operation noise requirements: equipment working noise is not greater than 65dB
Sampling devices: sampling tube can be placed on the outlet air, or air into the test tank near the outlet at a distance of not less than 150mm boundary
Measurement and control systems: real-time monitoring, recording cabin temperature, humidity, pressure, flow, displacement rate, and time control parameters. Touch control screen as the personnel to operate the equipment dialogue interface, intuitive and convenient. Configure a dedicated control software, in addition to achieving the touch screen function, but also has a system control, program settings, dynamic data display and playback of historical data, fault recording, alarm settings and other functions
[Working conditions]
Within the range of 15 ~ 25 ℃, ambient temperature and avoid drastic changes in the working environment.
Relative humidity less than 80%.
Working surroundings without vibration, corrosion and strong magnetic interference.
working environment without direct sunlight, no strong airflow blowing straight on.
equipment and utensils away from the wall ≥600mm.
The device should be installed in less dust, away from combustible materials and high-temperature heat source or other heat sources where direct radiation.
The device should be installed horizontally on a solid basis.
supply voltage 380V 50Hz, voltage fluctuation range of ± 10%.
