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       Material Testing Instruments
ISO 9001:2008 Certifited   
40

Ageing Oven (with Digital Flow Sensor)


Model Number: SSI 502 AGAN DFS

Standard Number: AS / NZS 1660:2:3IS 10810 Pt 10

Thermoplastic and electrometric substances when exposed to heat undergo many types of physical and chemical changes. The extent and type of change that takes place depends upon the severity of exposure of the sample to heat (i.e., temp. range), duration and rate of air flow

 

Salient Features  
   
Chamber Size :  100mm (Dia) x 300 mm (Height)
No of Chambers :  4 chambers, Independently controlled
Instrument Construction :  Test Chamber is made of thick Alumnium Pipe, 4 Chambers inside a MS / GI outer Chamber
Temperature Range :  Ambient to 200oC, LC 0.1oC
Temperature Control Using PID Digital Temperature Controller, +/- 1oC
Air Flow 0-10 LPM, Contolled using Needle Valves
Air Flow Display :  Using Digital Flow Sensor, LC 0.1 LPM
 Air Temperature :  Using PID Digital Tempertaure Controller, LC 0.1oC, +/- 1oC
   
 Delivery   6 to 8 Weeks 
Packing : One Wooden Box, 35 x 30 x 48 (LBH in inches), Weight 200 kg.
Alternative Models : SSI 502 AGAN ARM (Ageing Oven as per AS / NZS standard with Analog Rota meters)
: SSI 502 AGAN HMI (Ageing Oven as per AS / NZS standard with Digital Flow and HMI)
: SSI 502 AGAN IPC (Ageing Oven as per AS / NZS standard with IPC)

Description

Instrument Principle

Thermoplastic and electrometric substances when exposed to heat undergo many types of physical and chemical changes. The extent and type of change that takes place depends upon the severity of exposure of the sample to heat (i.e., temp. range), duration and rate of air flow. This test makes an assessment of change in Tensile Strength and Elongation of the material on subjecting them to accelerated ageing in hot air.

Standard

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The instrument is designed to conform to AS/NZS 1660-2-3

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Instrument

Each Cell is a complete instrument in itself i.e., fitted with individual Temp. Indicating Controller, Air Flow Meter, Air temperature controller and an Hour Meter. This enables the user to test different type of samples at desired temperature and duration, depending upon test requirement of end users & testing authorities. 


The instrument consists of the following:

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     A double walled chamber with inside chamber of thick aluminum sheet.

     Size of the chamber is 100 mm dia. x 300mm ht.

     Jacket type heater for the chamber.

     Digital Temp. Indicating Controller with sensor. Temp. range Ambient to 200 ± 2 oC.

     Digital Flow meter for controlling the volume of air passing through the chamber.

     Air inlet nozzle for the airline or air compressor.

     Specially Designed heaters to heat the air before it enters the cell

     Separate temperature controllers for air temperature control

     Air turbulence fan with motor to rotate at 60 RPM

     Specially designed top cover to hold three to five test samples in each chamber.

     Hour Meter to record the total time of test.

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To operate the unit Compressed Air line is to be provided by the customer. If the customer is using his own air compressor, it may require one pressure regulator, pressure gauge & connecting pipes which are available from us.


 

Difference between Hot Air Oven and Ageing Oven:

 

The test requirement is 8 to 20 air changes per hour, measured on a Flow Meter. According to IS standard, if the Oven does not have a regulated air supply, the oven is then termed as a Hot Air Oven and not a Ageing Oven (as offered by some manufactures) and cannot be used for ageing of samples.

After ageing in the ageing test oven for specified temp. & duration the samples are to be tested on Tensile Testing Machine for tensile & elongation. For preparation of Dumb-bell shaped samples, you may require hydraulic hot press, dumb-bell dies, dumb-bell cutting press, two-roll mill etc. Please ask for details.