0.225 m3 / 1m 3 VOC And Formaldehyde Emission Test Chamber For
Compound Wood Floor
Applications of environmental test chamber
VOC and Formaldehyde Emission Test Chamber can be used for a
variety of man-made board and compound wood floor, test the
formaldehyde releasing, and also the wood and man-made board's
constant temperature and humidity balance processing.
Technical parameters
Temperature range | (15~40)℃ |
Accuracy | ±0.5℃ |
Humidity | (40~80)%RH |
Accuracy | ±3%R.H |
Air change rate | 0.2m3~2m3/h(rate 0.2~2 time/h) |
Inner Working Size | (1±0.02)m3 0.80m(W)×1.0m(H)×1.25m (L) |
Outside test chamber dimension | 2100(L)×1810(H)×1150 W |
TVOC background conc shall be <0.006mg/m3, background of any
single target VOC shall be<0.005mg/m3
Standards
The chamber will be used to test for construction materials.
Designed as per the following standards:
ASTM D6007 (formaldehyde emission from wood products)
ASTM D5116 (TVOC emission)
ASTM D6330 (VOCs emission from wood-based panels)
Key Features
TEMI 880 LCD Colour Touch Screen
With RS232 output to computer
With Viewing Window
With thermostats (prevent overheat)
Inner material: Stainless steel SUS#304(1.0mm thick) stainless
steel welding all around.
Outside material: special steel powder coating, the bottom can be
fixed, adjusted the level of the PU with four casters.
1. Test chamber
- Test chamber side is equipped with cable threading hole 1, size of
ф 50 mm
Test chamber working chamber is made of 1 mm thick SUS304 stainless
steel plate, case shell by 1 mm thick cold plate paint
manufacturing.
Workshop equipped with two layers of stainless steel bar shelf
adjustable height
Cabinet is equipped with condensate drain.
2. The door
Single door, door seal adopts double silicone rubber sealing strip
4 Observation and lighting
Door installed on a multilayer insulating glass observation window,
size: 300 x 275 mm, and is equipped with heating frost prevention
device. Test chamber door installed on a 20 w halogen lamp (AC12V).
3. The heating system
Continuous PID control, the use of ac contactor as heating
actuator, safe and reliable, has a separate overtemperature
protection system.
4. Air duct system
In order to guarantee high evenness index, test chamber is equipped
with internal circulation air supply system; Duct sandwich at the
end of the studio, the distribution of the heater, refrigeration
evaporator, blades, etc; Use fan to make the air circulation in the
oven, when fan at high speed, the studio in lower suction air duct,
after heating, cooling, blow out from the upper air duct, the
sample (s) in the studio and heat transfer within the air inhaled
air duct again after repeated circulation, so as to achieve the
temperature set requirements.
5. Control system
Control system composition
5.1, Temperature measuring: Pt100 platinum resistance
5.2, Humidity measurements: Pt100 platinum resistance dry wet ball
method
5.3, Control unit: programmable digital temperature controllers and
humidity controllers TEMI880. Can display set parameters, time,
heater, humidifier and other working condition, and has run test at
the same time and PID parameters self-tuning function. It takes
only a set temperature can achieve the function of refrigerating
machine to run automatically. Control system using intelligent
control software system, has automatic combined cooling, heating,
humidification, etc. The operation condition of the subsystem, so
as to ensure the high precision control of temperature and humidity
in the whole range, to achieve the purpose of saving energy and
reducing consumption. Perfect detection device can automatically,
according to the detailed fault alarm, such as when the chamber
when an exception occurs, the controller automatically according to
fault state.
5.4, Screen display: set temperature and humidity; the measured
temperature and humidity;
5.5, setting precision: 1 ℃
5.6, operation modes: constant operation
5.7, Other main low voltage electrical components adopt famous
brand products, such as Schneider ac contactor, thermal overload
relay, OMRON small intermediate relay, delixi circuit breaker,
Taiwan and all appropriate water level float switch, etc.
6. Safety protection device
- Studio overtemperature protection
- Short circuit protection of the heater
- Fan overload protection
- Compressor overpressure protection
- Compressor overload protection
- Water/water protections
- Earth leakage protection
- Safe and reliable grounding device