DILATOMETER-(DETERMINATION OF LINEAR THERMAL EXPANSION)-1400 °C

DILATOMETER-DETERMINATION OF LINEAR THERMAL EXPANSION-1400 °C

This equipment is used to measure the coefficient of thermal expansion of ceramics and related solid specimens.

1.   Size of the equipment     : »250 x 1000 x 300 mm

2.  Shell Construction            : Double wall structure with high quality fabrication of M.S. Body with powder coating

3.  Insulation                          : Low thermal mass zirconia blend fiber board.

4. Furnace movement          : Linear bearing wheels and stainless steel rails are used for easy furnace movement and exact location

1. Heating elements      :          Special Silicon Carbide single end element I squirred R, USA make

2.Operation                  :           15 Amps/ 230 V / AC

3. Maximum Temperature     :  1400°C

4.Operating Temperature     :  1400°C

CONTROL SYSTEM

1. Temperature control     :     TAIE make PID Programmable Digital Temperature Indicator cum Controller and B- type Thermocouple

2. Accuracy                       :     ±1°C

3. Safety controller           :      By non-indicating temperature controller with air break magnetic contactor (to take care of the furnace while accidental failure of Thyristor).

4.Thyristor                         :     Phase angle control thyristor system with isolation transformer input to heating element

5.Indications                     :      a) Digital Ammeter and Digital Voltmeter

                                                 b) Mains Indicator     

                                                 c) Out put Indicator

6.Control switches            :          Mains on and out put on

7.Safety                             :          Input and out put fuses

EXPANSION MEASUREING SYSTEM

1.       Measuring method                 :          LVDT technique with digital read out(GERMAN  MAKE)-MASSETRON

2.        Measuring accuracy              :          1 Micron

3.        Read Out                                :          Digital out put as well as computerized

4.       Software                                  :     Special Software to computer interface for entire  operation(LABVIEW)

5.        Computer                               :          latest standard PC-With inkjet printer

6.        Measuring range                    :          0 to 2000 Microns

7.        Specimen size                        :          10 x 10 x 45mm ± 2 mm

8.       Sample tube   & probe          :          Recrystallized alumina

9.        Calibration certificate            :          a. For LVDT (expansion)

                                                                       b. For thermocouple (temperature)

Optional @ Extra cost

1. Spare heating element - Rs.90,000 plus taxes

2. Sample holder RCA - Rs.45,000 plus taxes

3. Push rod - Rs.15,500 plus taxes

4. Calibrated sample - Rs. 15,000 plus taxes

5. PID controller - Rs. 30,000 plus taxes

6. Spare R type thermocouple- Rs. 30,000 plus taxes