• Model NO.：formaldehyde test chamber
• HS Code：8479899990

Project 

performance parameter

Box volume(m³)

1m³

Main technical indicators

Studio size

850*1080*1100/550*600*680

Outer case dimension

1460*1225*1572/1100*796*1520

Internal dimensions (about)mm

w850*D990*H210(Or customized according to customer requirements)

Temperature and Humidity Adjustment Range

temperature range:+15ºC~+40ºC

Humidity range:30%~80% RH

fluctuation

Temperature:≤0.5ºC

Humidity:±2%

Uniformity

Temperature:≤1ºC

Temperature and humidity deviation

Temperature:≤0.8ºC

Humidity:≤±2%

Studio wind speed

The wind speed in the center of the box 0.1-1 m/s.(adjustable wind speed)

Ambient Temperature

0ºC~35ºC

Air velocity

0.1m/s~0.3m/s;accuracy≤0.05m/S

Air replacement rate

0.1~1.5time/h 

Must be able to maintain(0.1±0.05)time/h/S

Relative barotropic maintenance

10±5pa(online display, recording)

Flow meter accuracy

Glass Rotor Flow meter with accuracy not less than 2.5 grades

closed

When 1000Pa is over-pressurized, the leakage of gas is less than 1 x10-3 m/min or the flow difference between inlet and outlet gas is less than 1%. It is equipped with a micro-pressure sensor, which can monitor the sealing condition of the cabin in real-time according to the pressure.

Stabilization time

Temperature stabilization time is less than 40 minutes, humidity stabilization time is less than 80 minutes, and equipment can run continuously for no less than 30 days.

Background index

Background concentration of formaldehyde:≤0.006mg/m3

Noise

If it is less than or equal to 65 decibels, there should be no resonance sound in the door.

Other

Ensure that no liquid or solid water is present in the tank.

Structural mode

Four corners of the inner tank are designed with large chamfer, and the working cabin is fully welded and welded to ensure sealing performance.

Box body

Features

Material composition

Outer wall material: 1.5MM cold rolled steel sheet electrostatic spraying, the surface is white paint.

Inner wall material: 1.2mm SUS304 mirror stainless steel

Surface finish:III D,All internal interfaces are polished

Insulation material:Natural mineral wool, thickness not less than 80 mm, good insulation

Sealing materials:Fluorine rubber, polytetrafluoroethylene, etc. do not release VOC organic matter

Connecting Pipeline: Intake Part in Contact with Inner Cabin Need or PTFE Material, Cannot Use Organic Material

All materials in the box will not adsorb and release formaldehyde and VOC.

Recirculating fan

Select all-metal blade axial flow fan with oil-free bearing; install two fans at the bottom of the front and rear side (fan plate position down, fan diameter edge distance from the bottom 150 MM), air outlet from the top porous plate, circulating air to facilitate disassembly and cleaning, add large chamfer to the diamond section, do not hurt hands, easy to clean.

Studio

Work cabin integrated forming, seamless welding, weld surface polishing, no dead angle, seamless

Hatch door

Hinged door, multi-point compression type, adjustable clearance (single door)

Observation window

Front door central position, built-in three-layer hollow glass, with heating body, with anti-condensation function;

Power Supply

AC220V380V 50Hz

Sampling hole

Located on the left side of the equipment, there are three air sampling points in the cabin. The sampling port is brass material, which can match the latex pipe connected to 6*9.

Sampler pumping speed(L/min)

0.1~2.5  adjustable can be stabilized at 2.0L/min bracket

Floodlight

The LED lamp belt is designed on the outer cabin for easy observation of the samples in the cabin.

Air intake control

Flow meter needle valve, air intake uniformly released in the working chamber with a porous tube

Intake air purification

Series Air Purification Device (Activated Carbon) behind Air Pump

Cryogen

Environmental protection refrigerant R404a

humidity control

ROTRONIC Temperature and Humidity Sensor (Imported), Temperature 0-70 C, Humidity 0-100% RH

Man-machine interface

Chinese, color LCD (7 inches) display, touch key setting

Indicating accuracy

Temperature 0.1 ºC, Humidity 0.1% RH, Time 1 s

Display item

Temperature, measured temperature, set humidity, measured humidity, dew/point set temperature, dew/point measured humidity, total operation time, including historical data query, real-time curve and historical data playback, fault record

Set item

Working cabin temperature, working cabin humidity, dew/point temperature, working start time

Recording function

Work cabin temperature, humidity, dew/point temperature; provide USB interface, you can use U disk for storage, backup

Data Correction

Temperature, humidity and dew point humidity of working cabin can be corrected

Other

It has the function of setting permission level to avoid user misoperation

security

Working cabin

Overheat alarm protector

Refrigeration compressor

Fan over pressure protector and overload protector

Grounding protection

Safe grounding protection for structural parts, insulation resistance of electrical components and equipment housing not less than 0.5Ω·m

heater

Heater Short Circuit protector

Humidifier

Water shortage protector of humidifier

condenser

Water shortage protector of condenser