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Engineering Instruments

We are manufacturer, exporter, supplier and trader ofengineering instruments for educational and industrial purpose.

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Emissivity Measurement Apparatus-SIGMA-360-EMA:-

RANGE OF EXPERIMENTS TO BE CARRIED OUT :
* To determine emissivity of test plate.
* To Observe & calculate The radiant energy per unit time area from the surface of the test body at various temperature.
* Observe the radiation phenomena.
* The experiments can be conducted at various values of input & calculation can be made accordingly.
* Emissivity Measurement Apparatus

EXPERIMENTAL SETUP :
1. Heater for black & test plate.
2. Test Plate : Polished Aluminum.
3. Reference Plate : Black Aluminum
4. nsulating Chamber with Perspex cover.
5. Set of thermocouples.
CONTROL PANEL:-
1. 12 Channel Digital Temperature Indicator
2. Dimmerstat : 0 - 2 A., 2 Nos.
3. Main's On/Off Switch.
4. Voltmeter :0 - 250 V.
5. Ammeter :0 - 3 A.
6. Ammeter Selector Switch.

SPACE REQUIRED:-
1.5 m.(L)x 1.0 m(W) table top.

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Product Details:
Minimum Order Quantity1 Piece
BrandSigma

Pipe Fitting Apparatus-SIGMA-371-PFA:-The unit provide study of loose pipe in various pipe fitting. A differential manometer supply to measure the loss of head in these fitting. A flow control valve is provided. An experiment can be carried out at various flow rates.
Features:-

1. Testing of pipe circuit consisting of sudden contraction, sudden enlargement bends etc.

2. Measurement of head loss at each section for various flow.

Range Of Experiments:-

1. To determine loss of head due to sudden contraction.

2. To determine loss of head due to sudden enlargement.

3. To determine loss of head in an elbow.

4. To determine loss of head in a bend.

Specifications:-

1. Basic piping.

2. Pipe fitting.

3. Pipe elbow.

4. Pipe bends.

5. Sudden expansion-1/2”to 1”

6. Sudden contraction-1” to 1/2”

7. Differential manometer.

8. Flow control valve.

9. Stop watch.

Service Required:-

1. Suitable Water supply.

2. Suitable floor space of 2 m x 2 m

3. 230 V.A.C. single phase supply with earthing connection.


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Product Details:
Minimum Order Quantity1 Piece
BrandSigma
ModelSIGMA-375-CAA
ApplicationIndustrial Use, Laboratory Use

Cam Analysis Apparatus-SIGMA-375-CAA:-Apparatus is a motorized unit consisting of a camshaft driven by a variable speed motor. The shaft runs in a double bearing. The free end of the camshaft has a facility to mount the cam easily. The follower is properly guided in gunmetal bushes and the type of follower can be changed according to the cam under test. Graduated circular protractor is fitted co-axial with the shaft. And a Dial Gauge fitted on the follower shaft is used to note the follower displacement for the angle of cam rotation. A spring is used to provide controlling force to the follower system. Weights on the follower shaft can be adjusted as per the requirement. An arrangement is provided to regulate the speed. The apparatus is very useful for testing the cam performance for jump phenomenon during operation. On this apparatus the effect of change of inertia forces on jump action of cam-follower during operation can be observed. It is useful for testing various cam & follower pairs. Three cams and three followers will be supplied with the apparatus. These are already hardened to reduce the wear.


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Dead Weight Tester SIGMA 0061DWT - Since our establishment, we are manufacturing, supplying and exporting Dead Weight Tester. These testers are highly acclaimed by industries, research institutes and academia worldwide. Offered testers are used for calibrating pressure measurement equipment like pressure gauges and pressure transmitters. Our manufactured Dead Weight Tester is highly accurate with stable pressure standards.

Key Features -

· Easy installation

· Low maintenance

· Accurate results

· Easy usage

Other Details -

Dead Weight Testers are the most accurate and stable pressure standards and are widely used in industry; academia and research institutes to calibrate pressure measurement devices like pressure transmitters; pressure gauges etc.

Range: 100 Kg/sq. cm

Resolution: 0.1 Kg./ sq. cm



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Dropwise Filmwise Condensation Apparatus-SIGMA-359-DFCA:- Condensation is a phase change heat transfer process occurring in many industrial applications, such as in steam power plants, refrigeration plants etc. Thus this is one of the important heat transfer process present in mechanical and chemical engineering application. The condensation of Vapour on a surface is of two types: 1. Drop wise Condensation. 2. Film wise Condensation. This set up is designed for finding heat transfer co-efficient of two types of condensation and for visualization of these processes. It consists of a vertical frame. Condensation tubes are fitted inside compact glass cylinder. Steam generator is fitted at the backside of the cylinder. Steam comes directly from generator to cylinder. Two valves are fitted to control flow rate of water in individual tubes. Digital Temperature Indicator monitors temperatures. Pressure gauge and Rotameter can observe steam pressure and cold, water flow rates respectively. A Digital temperature Controller is provided for controlling the temperature of Steam. Water level indicator is provided to safeguard the heater. Condensate is measured by measuring cylinder.

Experiments:- To study the Film wise & Drop wise condensation of steam on a vertical surface Visualization of condensation process in drop wise as well as film wise

Utilities Required:-

1. Water supply 5 lit/min (approx.)

2. Electricity Supply: 1Phase. 220 V AC. 1.5 kW



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Hand Operated Spring Testing Machine-SIGMA-391-HOSTM:-Using the best grade material, we are successfully manufacturing and supplying a wide gamut of Hand Operated Spring Testing Machine are used for testing various types of springs which are used in industrial applications. The offered machines are stringently tested under the supervision of our skilled designers against the exquisite parameters of quality to ensure the hassle free range to our clients. These testing machines are available in various models to meet the needs of the market.

Features:-

1. Durability

2. Precise dimensions

3. Corrosion resistance



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Product Details:
Minimum Order Quantity1 Piece
Brand/MakeSigma
Model/TypeSIGMA-361-HT
Capacity25 kg

Heat Transfer in Agitated Vessel-SIGMA-361-HT:-

Our organization counted as a leading manufacturer, trader, wholesaler and supplier of Heat Transfer Machine. Made up of fine finish, & dimensional accuracy, the offered heat transfer machine is manufactured at our base unit using sophisticated technology in adherence with the set market standards. Along with that, our patrons can avail this heat transfer machine from us at affordable prices.

Features:

· User friendly operation

· Optimum finish

· Optimum performance

Specifications:-

1. Weight: 25 kg / 37 kg

2. Voltage: 110 V / 220 V

3. size : 15x15,16x24,

4. voltage: 220v/

5. power : 1250/1800w


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IZOD Impact Testing Machine-SIGMA-389-ITM:- 1. For charpy, lzod Tests for various materials. 4. Works on pendulum principle, Difference between height of deop of pendulum before Rupture & Height of rise after Rupture of specimen is directly proportional to impact energy absorbed. 6. Safety guard for the Pendulum.
Technical Specifications:-

Description

Charpy

IZOD

Pendulum Drop Angle (Degree)

140

90

Pendulum Effective Weight (Kg.)

21, 300

21300

Striking Velocity of Pendulum (m/ Sec)

5.308

3.994

Pendulum Impact Energy (Joules)

300

170

Min. Scale Graduation (Joules)

2

2

(Only for FIT 300 D)

0.5

0.5

Distance between axis of pendulum to centre of strike  (length of pendulum in mm)

813.5

813.5

Max. Total friction & Windage losses

0.5% of max. Impact energy

0.5% of max. Impact energy

Striking edge

Angle (Degree )

30

70

Radius of Curvaturer (mm)

2

0.7

Width at tip ( mm)

18

Horizontal relief (Degree)

10

Vertical relief (Degree)

5

Specimen Anvils and supports

Suitable for ma.  specimen cress section(mm)

10x10

10x10

Distance between specimen anvils (mm)

40

Included angle of Anvil tip (degree)

79

Radius of curvature at Anvil tip ( mm)

1

Overall size (mm) (approx)

760(L) x 440 (w) x 1925(H)

 



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Product Details:
Minimum Order Quantity1 Piece
BrandSigma
ApplicationIndustrial, Laboratory

Motorized Gyroscope-SIGMA-378-MG:- Our organization hold expertise in providing superior grade Motorized Gyroscope to our precious customers. Our offered Motorized Gyroscope is widely appreciated by our customers, which are situated all round the nation. Known for its best quality, clients can avail this Motorized Gyroscope at industry leading prices from us.


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Product Details:
Minimum Order Quantity1 Piece
BrandSigma
ModelSIGMA-393-PKB
UsageIndustrial, Laboratory
Portable Kelvin Bridge-SIGMA-393-PKB:-Portable Kelvin Bridge is used to measure the unknown value of resistance. It can measure from 0.00001O to 110O
The instrument has following inbuilt parts :-
Ratio Dial :The instrument consist of one Ratio dial having multiplying range of 100, 10, 1 & 0.01.
Main Dial:The instrument consist of a Resistance dial having a table resistance of 1W divided into 10 equal step of 0.1O
Circular Scale :A circular scale in series with main dial is provided on the panel. Having a table Resistance of 0.1 ohm divided into 100 equal steps of 0.001W
Galvanometer :Inbuilt galvanometer is fitted with in the instrument Terminal g1 & g2 are provided for connecting external Galvanometer-A selector switch is provided to select either inbuilt or external Galvanometer.
Press key :A double point press key is provided within the panel to bring galvanometer & battery into the circuit
Terminals :Four terminals C1, P1, C2, P2 are provided for connecting to four terminals unknown resistance coil, where C1, C2 are current terminal P1, P2 are potential terminals. C1, P1 is one pair of terminal and C2, P2 is another pair of terminal.
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Product Details:
Minimum Order Quantity1 Piece
BrandSigma
ModelSIGMA-373-PMD
ApplicationIndustrial, Laboratory

Pressure Measurement Devices-SIGMA-373-PMD:-We have in store for our clients excellently designed Pressure Drop in Two Phase. The product is provided with a borosilicate glass test section to visualize the different patterns. For water supply to the pipeline, the product is provided with a centrifugal pump with flow control valve, by-pass valve and an outlet to separate air from water. Further, the product is provided with two rota-meter to measure flow rates of air and water separately.

Scope Of Experimentations:-

1. To visualize the flow pattern

2. To determine the pressure drop in two phase flow

Utilities Required:-

1. Water supply

2. Drain

3. Floor Area: 1.5 x 0.75 m

4. Electricity

5. 1.5 kW, 220 V, single phase

6. Compressed air supply at 2 bar, 2.5 CFM

Technical Details:-

1. Separator

2. Material stainless steel, compatible capacity

3. Piping

4. Material stainless steel/PVC, capacity 60 liters

5. Pr. drop measurement

6. Differential manometer

7. GI and PVC

8. Control panel comprising of standard make on off switch, mains indicator fuse

9. The whole set-up is well designed and arranged in a good quality painted structure

10. Material borosilicate glass

11. Water circulation

12. FHP pump, crompton/sharp make

13. Flow measurement

14. Rotameters. 2 Nos. (one each for water & air)

15. Air circulation

16. By compressed air

17. Buffer tank

18. Material stainless steel, suitable capacity with safety valve and pressure gauge

19. Water tank

20. Test section


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Rockwell Cum Brinell Hardness Tester-SIGMA-390-BHT:- Our organization is engaged in manufacturing, trading and supplying optimum quality Rockwell Hardness Tester. Manufactured using optimum quality components and sophisticated technology by our adept professionals, this tester is used for testing materials that do not have sufficient width. Owing to its outstanding efficiency, provided tester is available in different sizes and specifications for our clients to choose from.

Features:-

1. Resistant to abrasion.

2. Robust construction.

3. Smooth finish.



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Product Details:
Minimum Order Quantity1 Piece
BrandSigma
ApplicationIndustrial, Laboratory

Rotameter Apparatus-SIGMA-372-RA:- The apparatus consists of three pipelines emerging out from a common manifold. One pipeline contain a Venturimeter, second contains an Orifice and third pipeline contains a Rotameter. The pressure tapings from the Venturimeter and Orificemeter are taken to differential manometer to measure pressure difference. The Venturimeter, Orificemeter and Rotameter are connected in parallel and anyone of them can be put in operation by operating valves provided at the downstream. These valves can also regulate the flow.

Present set-up is self-contained water re-circulating unit, provided with a sump tank and a centrifugal pump. Flow control valve and by-pass valve are fitted in water line to conduct the experiment on different flow rates. Flow rate of water is measured with the help of measuring tank and stopwatch

Experiments:-

1. To determine the co-efficient of discharged through Venturimeter and orifice meter.

2. To measure discharge through Venturimeter, Orifice meter and Rotameter

3. To calibrate the Rotameter Utilities Required

4. Water Supply & Drain

5. Electricity 0.5 kW, 220V AC, Single Phase

 


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Product Details:
Minimum Order Quantity1 Piece
BrandSigma
ModelSIGMA-383-SCTSPE
Dimensionas per requirement.
MaterialMild steel

Single Cylinder Two Stroke Petrol Engine-SIGMA-383-SCTSPE:-We are engaged in offering high performance Single Cylinder Two Stroke Petrol Engine Test Rig. The offered product is designed and manufactured by experts using superior quality raw material and sophisticated technology in compliance with international quality standards. This test rig is rigorously tested on various quality parameters before delivering it to the client. Besides, clients can avail this product from us at reasonable prices.

Features:-

1. Sturdiness

2. Excellent performance

3. High efficiency


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Approx. Rs 12,500 / Piece
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Product Details:
Minimum Order Quantity1 Piece
Horse Power (HP)0.5 HP, 1 HP, 1.5 HP, 2 HP, 2.5 HP, >2.5 Hp
Discharge Pressure (in bar)0-4 Bar, 4-6 Bar, 6-8 Bar, 8-10 Bar, 10-12 Bar, >12 Bar
Size of Receiver (in L)0-10 litres, 10-20 litres, 20-30 litres, 30-40 litres, >40 litres
Maximum Flow Rate (in cfm)0-200 cfm, 200-400 cfm, 400-600 cfm, 600-800 cfm, >800 cfm
Compressor BrandSigma

Single Stage Air Compressor-SIGMA-366-SSAC:- Our product range comprises of premium quality Single Stage Air Compressor. These compressors are manufactured using highly qualitative components in accordance to industrial quality guidelines by using the best raw materials. These compressors are sturdy and durable. These can be installed and maintained with utmost ease. These are used in electrical appliances such as the air conditioner. 

Features:-

 

1. Damage-resistant

2. Easy to install

3. Low maintenance needs


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Slip and Creep Measurement Apparatus-SIGMA-379-SCMA:-We are engaged in offering a wide array of Slip and Creep Measurement Apparatus for measure co-efficient of friction between pulley material and different belt materials. To measure belt slip speed and observe the limited value of load constant speed when the slip Just starts. The motor speed is varied by Thyristor Control D.C. Drive. A double channel digital speed indicator indicates driving and driven pulley speeds. With the help of Stroboscope (not in the scope of supply) it is possible to demonstrate the slip of belt on driving and driven pulley. Used in major experimental applications, this range is inclusive of very salient features.

Scope Of Experimentations:-

1. To measure co-efficient of friction between pulley material and different belt materials

2. To measure power transmitted with varied belt tension

3. To measure percentage slip at fixed belt tension by varying load on the Brake drum and plot the graph of (T1-T2) v/s percentage slip i.e. “Slip Characteristics” Finding a Creep Zone from graph

4. To measure belt slip speed and observe the limiting value of load at constant speed when the slip just starts

5. To study creep of belt

Utilities Required:-

1. Electricity : 0.5 kW, 220 V, Single Phase

2. Stroboscope

Technical Details:-

1. Motor:- Variable speed DC Motor 1HP, 1500 RPM

2. Pulleys:- Driving and driven pulleys of equal diameters (flat pulleys)

3. Loading Arrangement:- Brake drum along with spring balance and rope arrangement is provided to load the system

4. Belts:- Flat belts of fixed length of following belt material like Fabric Belt, Canvas Belt, Leather Belt

5. Belt tightening arrangement:- Bearing block is sliding and dead weight can be applied to set the initial tension in belt

6. Speed Indicator:- 2 Channel digital speed indicator with switch to change the channel

 



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Universal Governor Apparatus-SIGMA-381-UGA:- The set-up is designed to study the working of different governors normally used to control the speed. It consists of a main spindle, mounted vertically on the base plate. This spindle is driven by a variable speed Motor which is also mounted vertically on the same base plate. Anyone governor assembly out of four can be mounted on spindle. Speed control unit controls the spindle speed. A graduated scale is fitted to the sleeve to measure the displacement.



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Universal Vibration Apparatus-SIGMA-382-UVA:-The Apparatus Provided Comprehensive Unit To Perform The Vibration Experiments. A Universal Frame Is Provided Upon Which Quick And Easy Assembly Of Various Experiments Can Be Done. The Unit Is Self-Contained To Safely Store Spares. The Students Can Easily Assemble The Experiments And Study The Theory Of Vibrations Practically.

Experimentation:-

1. Following Experiments Can Be Performed With This Unit

2. To Verify The Relation Simple Pendulum

3. To Verify The Relation Of Compound Pendulum & To Determine The Radius Of Gyration

4. To Study Radius Of Gyration Of Bi-Filar Suspension

5. To Study The Undamped Free Vibration Of Spring Mass System

6. To Study The Longitudinal Vibration Of Helical Coiled Spring

7. To Study The Forced Vibration Of Simply Supported Beam For Different Damping

8. Undamped Tensional Vibrations Of Single Rotor System

9. Undamped Torsion Vibrations Of Double Rotor System

10. To Study The Damped Torsional Vibration Of Single Rotor System And To Determine The Damping Coefficient.

11. Verification Of Dunker Ley's Rule

12. To Study The Forced Damped Vibration Of Spring Mass System

Utilities Required:-

1. Floor Space: 2.5 M X 2 M Approx

2. Power Supply: 230v Ac, 5 Amp. With Earth

Technical Details:-

1. Exciter Unit : With Fhp Dc Motor With Speed Control Facility

2. Rpm Measurement: Digital Rpm Indicator With Proximity Sensor

3. Ordinary Chart Recorder: For Recording Frequency And Amplitude Of Vibration

4. Stop Watch: Electronic Stop Watch

5. Instruction Manual : An English Instruction Manual Will Be Provided Along With The Apparatus



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Venturimeter Apparatus-SIGMA-374-VA:-With our expertise in domain, we are engaged in offering wide array of Venturimeter Apparatus to our patrons. This Venturi Meter Apparatus is used to determine the fluid flow rate though a pipe. We offer product to the customers in recommended specification and known for their high performance and high grade quality.

Features:-

1. Reliable

2. Used in various industries

3. High demand



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Sigma Scientific Glass Company

Puneet Sharma (CEO)
Plot No. 61, Defence Colony, Sector B, Ambala Cant
Ambala - 133001
Haryana, India
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