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 | thermal ageing test chambers lr series thermal ageing test chambersfeature l direct display of power consumption, adjustable ventilation amount. l microcomputer pid temperature controller with digital display, setting is simple, operation is convenient. l independent overtemperature protection controller improves safety and reliability of products. l forced ventilation circulation, incoming and outgoing l ventilation devices are set to guarantee the ventilation. rotary plate driven by motor can be se-lected to heat samples in rotating way to study the change of rubber and plastic samples during fixed time. |
| application l used for thermal ageing test of rubber and plastics and electrical insulation material. l it can also be used for drying, baking and heat treatment of ordinary samples l used in iec540 << insulation of cable and flexible wire and test method of sheath (elastic and thermoplastics)>> test. standards implemented and met thermal ageing in air test chamber: jb/t7444-1994 | |
specifications
| model | lr2007 | lr201 | lr202 | lr2007a | lr201a | lr202a | |||||||||
| ■performance | |||||||||||||||
| circulation method | forced air circulation | ||||||||||||||
| temp. range | r.t+20～200℃(or300℃) | ||||||||||||||
| temp. constancy | ≤1.5℃ | ||||||||||||||
| temp. homogeneity | ≤7℃ | ||||||||||||||
| max. temp. reaching time | r.t.～200℃(300℃) ≤100min | ||||||||||||||
| ventilation amount | ≤100 time/hour (or 100～200 time/hour) | ||||||||||||||
| turntable rotation speed |
| 5～10 r/min | |||||||||||||
| ■components | |||||||||||||||
| interior material | stainless steel sus 304 | ||||||||||||||
| exterior material | cold rolled plate with baked coating finish | ||||||||||||||
| heat insulating material | glass wool | ||||||||||||||
| sample rack | shelf plate | demountable rotating disk | |||||||||||||
| ventilation devices | ventilation door | ||||||||||||||
| caster wheel | lockable caster wheel | ||||||||||||||
| ■controller | |||||||||||||||
| temp. controll method | pld control by microprocessor | ||||||||||||||
| temp. setting method | digital setting by | ||||||||||||||
| temp display method | digital display by led | ||||||||||||||
| watt gauge | measurement power | ||||||||||||||
| ■safe device | |||||||||||||||
| independent overtemp prevention, breaker with over current protection | |||||||||||||||
| ■standard | |||||||||||||||
| internal dimensions (mm) | d | 350 | 450 | 600 | 350 | 450 | 600 | ||||||||
| w | 450 | 500 | 500 | 450 | 500 | 500 | |||||||||
| h | 450 | 600 | 750 | 450 | 600 | 750 | |||||||||
| external dimensions(mm) | d | 650 | 700 | 900 | 650 | 700 | 900 | ||||||||
| w | 800 | 850 | 1050 | 800 | 850 | 1050 | |||||||||
| h | 1150 | 1150 | 1450 | 1150 | 1150 | 1450 | |||||||||
| power | 2.5 | 3 | 4 | 2.5 | 3 | 4 | |||||||||
| power supply | 220v/50hz | ||||||||||||||
| ■accessories | |||||||||||||||
| revolving shelf,1set(shelf plate, 2 sets)/product desc-ription 1 set | |||||||||||||||
| ■optional accessories | |||||||||||||||
| programs temp. controller /additional shelf plate / cable hole(50mm) / observation window/ external communication terminal (rs232 or rs485)etc. | |||||||||||||||
| ※1.the performance shown here is the value under the condition of the ambient temperature of 23°c±5°c, humidity of 65%rh±20%. and there is not burden. ※2.the projection is not included for internal dimensions and external dimensions. ※3.ventilation amount:n=3590·(p1-p2)/v·d·δt |
