1. This machine provides high temperature and high humidity environment to compare the material changes of rubber and plastic before and after testing and the degree of strength decay reduction; this machine can also simulate the container environment to detect the fading and shrinkage of rubber and plastic under high temperature and high humidity. This machine specially tests the heat resistance, cold resistance and moisture resistance of various materials.

2. Constant temperature and humidity testing machine, also known as environmental testing machine, tests the heat resistance, cold resistance, dry resistance and humidity resistance of various materials. Suitable for electronics, electrical appliances, food, vehicles, metals, chemicals, building materials and other factories.

2、 Meet the standards:
gb5170, 2, 3, 5, 6-95, GB 2423.1-89 (iec68-2-1), GB 2423.2-89 (iec68-2-2), GB / T 2423.3-93 (iec68-2-3), GB / t423.4-93 (iec68-2-30), GJB150.3 (ml-std0-810d), gjb150.4 (mil-std-810d), GJB150.9-1986, gjb4.5-1983, gjb4.6-1983, gjb367.2-1987, gjb360.8-87, GB / t5170.2-96, GB 10592-93, GB 10586-93, etc

3、 Control mode and features:
balance temperature control system (bthc) controls SSR in P.I.D. mode, so that the heating and humidification amount of the system is equal to the wet heat loss, so it can be used stably for a long time.

4、 Intelligent constant temperature and humidity box performance:
refers to the air-cooled at room temperature 20 ℃, no-load

Specification and model: he-ws-80 / 100 / 150 / 225 / 408 / 800 / 1000 (a, B, C, d)

Capacity: 80 l, 100 L, 150 l, 225 L, 408 L, 800 l, 1000 l

Inner box size (width * height * depth): 400x500x400, 500x500x400, 500x600x500, 600x750x500, 600x850x800, 1000x1000x800, 1000x1000x1000 (mm)

Dimensions (w * h * d): 980x1590x940, 1080x1590x940, 1080x1690x1040, 1080x1840x1130, 1180x1950x1350, 1600x2070x1400, 1600x2070x1570 (mm)

Temperature range: A: 0 ℃ ~ + 150 ℃

B means: - 20 ℃ ~ + 150 ℃

C means: - 40 ℃ ~ + 150 ℃

D means: - 70 ℃ ~ + 150 ℃

Temperature accuracy: ± 0.01 ℃

Temperature fluctuation: ± 0.5 ℃

Temperature uniformity: ± 2.0 ℃

Humidity range: 20% RH ~ 98% RH

Humidity accuracy: ± 0.1% R.H

Humidity fluctuation: ± 2.0% R.H

Humidity uniformity: ± 3% R.H

Heating rate: average 3 ℃ / min (non-linear, no-load; about 20min from room temperature + 25 ℃ to + 85 ℃); non standard specifications can be customized according to requirements

Cooling rate: average 1 ℃ / min (non-linear, no-load; about 65min from + 25 ℃ to - 40 ℃); non standard specifications can be customized according to requirements

Power supply: single phase three wire 220 V 50 Hz or three phase five wire 380 V 50 Hz

Inner box material: SUS 304 mirror stainless steel intelligent constant temperature and humidity box

Outer box quality: sus 201 yarn surface stainless steel or cold steel plate high-grade spray treatment

Refrigeration system: Taikang compressor imported from France, environment-friendly refrigerant r504a and r23a, fin type condenser with heat dissipation evaporator

Control system: temperature and humidity controller of temi programmable series (such as temi880 color touch controller and temi300 key controller)

Safety protection device: no fuse switch, compressor high pressure, overheating, over current protection, over temperature protection, fan overload protection, fuse, dry burning protector, water shortage alarm

Standard configuration: 2 sets of shelves, 1 observation window, 1 test hole, 4 casters, 1 humidification bucket, 5 wet cloth

Online software: 232 or 485 interface online, with software CD and a set of connecting data cable, optional with USB interface