Sigma Scientific Instruments (Chennai) Pvt Ltd.
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Rectangular Water Baths
Bacteriological Incubator
Ultra Cryostat(Chiller)
Hot Air Ovens
B.O.D Incubator
High Temperature Ovens
Oil Baths
Tray Driers
Constant Temperature Water baths
Vaccum Oven

Laboratory Scientific Instruments

We are involved in manufacturing a wide range of laboratory scientific instruments extensively used in chemical, health care, education and other sectors. All our instruments are manufactured using latest production process and innovative techniques. Our spectrum can be customized as per the specifications detailed by the clients. Our gamut of scientific instruments is highly appreciated in the market for its excellent performance and durability. The assortment includes the following:



Rectangular Water Baths
Rectangular Water Baths

The laboratoty incubators that we offer are supplied with two pilot lamps, perforated shelves at every level and operated on 220 / 230 VAC. Mains. These are fabricated with double walled chamber, with S.S. from inside and M.S. from outside and have powder coat finish. Glass wool packing is done between the two chambers to evade loss of thermal. The heating of the laboratoty incubators are controlled either by thermostat or digital temperature controller and for uniform heating fan air circulation is provided.

Size : Height Width Depth (In x mm)
Rating
300 x 300 x 300
150 W
350 x 350 x 350
150 W
450 x 450 x 450
200 W
450 x 450 x 600
350 W
600 x 600 x 600
400 W
600 x 600 x 900
1000 W

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Bacteriological Incubator
Bacteriological Incubator

Hot palte is a heavy duty heating plate with a removable MS plate at the top. The housing is made of mild steel sheet and finished in powder coat paint. A three position switch or energy regulator and two nos. indicating lamps are provided in the front panel.

 Size Ratings
8” 1000
10” 1200
12” 1500
10” x 12” 1000
10” x 16” 1500
10”x 18” 2000

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Ultra Cryostat(Chiller)
Ultra Cryostat(Chiller)

Double walled chamber, inner made of stainless steel and outer made of mild steel  with powder coat finish.  The chamber is provided with top opening lid made of stainless steel and provided with handle.  Evaporating coils are kept inside the inner chamber for faster  cooling.  The refrigeration system consisting of compressor Kirloskar, air cooled condenser and accessories is provided at the lower portion of the bath.

The temperature is controlled by a Digital temperature controller  and unit is fitted with a pump for re-circulate the liquid in the tank to maintain uniform temperature inside the bath.

Working Chamber Size: 200 x 200 x 250mm 15 Litres Capacity.
Temperature Range :
Optional : PID Controller for dual display and more accuracy

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Hot Air Ovens
Hot Air Ovens

The hot air oven that we manufacture is designed with double walled chamber, with S.S from inside and M.S outside with powder coat finish. To avoid thermal loss, glass wool packing between the two chambers is provided. The heating is controlled either by thermostat or digital temperature controller and the fan air circulation is given to offer uniformity in the heating. Our range of hot air oven is supplied with two pilot lamps, perforated shelves available at any level. These ovens require voltage of 220 / 230 VAC Mains.

Size : Height Width Depth (In x mm)
Rating
300 x 300 x 300
800 w
350 x 350 x 350
1500 w
450 x 450 x 450
1750 w
450 x 450 x 600
2000 w
600 x 600 x 600
3000 w
600 x 600 x 900
3500 w
Temp range : 5° C above ambient to 250° C 

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B.O.D Incubator
B.O.D Incubator

Rotary shakers are designed for continuous shaking of solutions in Erlynmeyer flask of 50ml to 1000ml capacity. It is a compact bench type table model with platform fitted with rubber discs mounted on ball bearing crank shafts for giving an orbital motion to the flasks within a diameter of approx 2”. The motor is coupled by means of a V belt with pitch pulley and is mounted on a heavy and sturdy angle iron frame. The speed of rotary shaker is controlled and indicated by Mechanical speed controller. Designed to work on 220/230Volts A.C supply. The instrument will be supplied with RPM Indicator and the maximum RPM is 20 to 300. 

Platform Size & Motor Capacity Holding Capacity
45 x 45 x cms 0.25 H.P 36flasks x 50ml
 36flasks x 100ml
16flasks x 250ml
55 x 55 x cms 0.25 H.P 36flasks x 100ml
25flasks x 250ml
16flasks x 500ml


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High Temperature Ovens
High Temperature Ovens

Triple walled chamber, Inner made of Stainless Steel and Outer made of cold rolled mild steel sheets duly finished in powder coating.  Inter space in between the walls is tightly packed with special grade glass wool.  Insulated double walled door in the front is provided with locking arrangements.

Heating is by Strip Heaters evenly distributed on the three sides.  Temperature is indicated and controlled by a Digital Temperature controller along with a fan for uniform heating.

Temp Range: 5°c above ambient to 300°c with an accuracy of ± 1°c


SL.NO SIZE (L x D x H) WATTS TRAYS
1 18” x 18” x 18” 5000 2
2 18” x 18” x 24”  6000 3
3 24” x 24” x 24”  7500 3
4 24” x 24” x 36”  9000 3


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Oil Baths
Oil Baths

Double Walled chamber, Outer made of mild steel with powder coating finish and Inner made of stainless steel with glass wool packing between the two walls to avoid heat loss.  Heating will be of immersion type heater and controlled by a capillary type thermostat.  The oil bath will be supplied with a stand to keep the flask on it.

Temperature Range : 5°C above ambient  to 200°C with an accuracy ± 2°C

SL.NO CAPACITY WATTS
1 1 Litres Capacity 750
2 2 Litres Capacity 1000
3 3 Litres Capacity 1000
4 5 Litres Capacity 1500
5 10 Litres Capacity 2000



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Tray Driers
Tray Driers

Triple walled chamber, mounted on a steady angle iron frame with opening in the front.  Inner made of stainless steel and outer made of heavy cold rolled mild steel sheets with powder coating finish.  Brackets to support the heavily laden drying trays are provided on the sides of the inner wall. 

Heating is achieved by strip type heaters and the temperature range from 50 degree to 250 degree.  Temperature is controlled by a digital temperature controller with an accuracy of  1c

Ventilation is provided with an adjustable opening at the top to exhaust fumes or vapours produced during processing.  Air circulation fan assembly 2 Nos., driven by suitable motor is incorporated in the unit for maintaining uniform temperature.  The instrument will be supplied with Stainless steel trolley 2 Nos.,  

Sl. No Size Watts Trays
1  38”H x 18”D x 34”W  5KW 12
2 38”H x 18”D x 68”W   8KW 24




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Constant Temperature Water baths
Constant Temperature Water baths

Laboratory Autoclave has a double walled chamber, interior perforated basket and the doomed lid made of polished stainless steel. Argon are welded and exterior made of stainless steel sheets/Cold rolled mild steel sheet finished in powder coating. The lid is tightened with wing nut locking system. Heating elements are immersion type heaters. The unit is fitted with neoprene rubber gasket to ensure tight sealing.  All autoclaves are hydraulically tested up to 40 PSI as safety measure.

Standard accessories supplied with unit: S.S Basket, water level indicator, pressure gauge, steam release cock, spring loaded safety valve, cord and plug.

SL.NO Inner Dimension Watts
1. 250 x 450mm 1500
2. 300 x 500mm 2000
3. 350 x 550mm 3000
4. 450 x 600mm 4000
5. 450 x 750mm 4000
6. 550 x 750mm 5000
7. 750 x 1000mm 6000


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Vaccum Oven
Vaccum Oven

The heater coil of the electrical bunsen we manufacture are conically shaped and comprises spirally wound Nichrome coil.  These are accommodated in the grooves offered with the refractory case with proper insulation and stainless steel casing. The casing is mounted at the top of cylindrical powder coated aluminum housing. Holes are offered in the lower housing to evade excessive rise in temperature and gap between the stainless steel cylinder and regulator box. At the top a cowl is given to repel heat radiation from the hand while operating.
 
Specifications:
  • The unit is designed to an overall rating of 350 W to work on 220/ 230/ VAC 50 HZ
  • The maximum temperature can go up to 800° C.

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