Instrumentation
Tatabad, Coimbatore, Tamil Nadu
GST No. 33BWSPG4278D1ZE
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Physics & Chemistry Research Instruments

Our product range includes a wide range of resistance decade boxes, v- tech wheatstone bridge, kelvin double bridge and youngs modulus apparatus.

Resistance Decade Boxes

Resistance Decade Boxes
  • Resistance Decade Boxes
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Approx. Price: Rs 8,500 / PieceGet Latest Price
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Product Details:

Minimum Order Quantity1 Piece
BrandV TECH
Box TypeResistance Decade Box
Model Name/NumberVT-MR100
Country of OriginMade in India
Resistors0.3W
Durable ConstructionHeavy Duty

Wide range Decade boxes for product design or calibration checksHeavy duty durable constructionSeperate grounding terminalThree binding posts permit isolated substitutions1% Resistance substitution from 1 to 11,111,110½Seven Decade Ranges of ResistanceValues can be changed in 1½ increments0.3W resistors0.3½ internal zero resistance
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V- TECH Wheatstone Bridge

V- TECH Wheatstone Bridge
  • V- TECH Wheatstone Bridge
  • V- TECH Wheatstone Bridge
  • V- TECH Wheatstone Bridge
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Approx. Price: Rs 9,500 / PieceGet Latest Price
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Product Details:

Battery4.5V
BrandV TECH
Country of OriginMade in India
Range0.001 to 11.1M
Accuracy+- 0.05%
high sensitive galvanometer20uA/mm
Size375*300*175 mm

Features:

  • Useful for measuring Low Resistance values
  • Range 0.001 to 11.1MΩ
  • Accuracy ± 0.05%
  • In-built 4.5V dry battery
  • Best Quality Manganin Wire is used for coils
  • In-built high sensitive galvanometer of 20uA/mm
  • Suitable for Murray Varlex Loop Test
  • Optional Light Spot Galvanometer can also be supplied
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Kelvin Double Bridge

Kelvin Double Bridge
  • Kelvin Double Bridge
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Approx. Price: Rs 7,600 / PieceGet Latest Price
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Product Details:

Minimum Order Quantity1 Piece
Usage/ApplicationIndustrial
BrandV TECH
Model Name/NumberVT
Country of OriginMade in India
Accuracy+- 0.05%
Measurement Ranges2 Milli to 11

Suitable for the use of wires and cable preparers and Transformer industry

Extensively used for fi nding the resistance of transformer winding, contact
resistance of relays etc.

Measures in the range of 0.2 Micro ohms to 11 Ohms

Measurement Ranges 2 Milli Ω to 11Ω, 0.2Milli Ω to 1.1Ω, 20 Micro Ω to
 11Ω, 2 Micro Ω to 0.11Ω and 0.2 Micro Ω to 0.0011Ω

Max Current 10A intermittent and 5A continuous

Accuracy ± 0.05%

Battery Reversing Switch provided to reverse the current in the bridge to eliminate
thermal effect

Complete with Spot Refl ecting Galvanometer, Heavy Duty DC Current Source,

Conductivity Attachment
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Youngs Modulus Apparatus

Youngs Modulus Apparatus
  • Youngs Modulus Apparatus
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Approx. Price: Rs 64,500 / PieceGet Latest Price

Product Details:

Minimum Order Quantity1 Piece
Usage/ApplicationIndustrial
BrandV TECH
MaterialAluminium Alloy
ShapeRectangular
ColorGray
Country of OriginMade in India

For Determination Of• Young’s Modulus,• Ultrasonic Frequency Velocity

Non-Destructive Testing of Material is an important part of Engineering Education as it gives information without deformation in the shape and size of the material. One of the NDT techniques, Piezoelectric Technique is widely used for the measurement of composition dependent properties such as ultrasonic velocity, compressibility, elastic constant, Young’s modulus and Bulk modulus. Its suitability for metals, plastics, polymers and crystals etc makes it versatile tool for Engineering Physics, Material Science and Polymer Science. This low cost NDT apparatus is being used in several I.I.T.s/Universities/Engineering Colleges for laboratory experiments and Research work. 

In this technique the specimen is cemented to a quartz rod of identical cross section and resonant frequency (fc) of the composite system is determined using the apparatus. The resonant frequency of the quartz rod (fq) is also determined. From the knowledge of (fq), (fc) and the masses of the quartz (mq) and the specimen (ms), the resonant frequency of the specimen fs is evaluated using the relation 

ƒS =ƒC  + mq/mc   ( ƒcq)

Using the value of ƒS  , the length of the specimen (L) and the density of the specimen, the velocity of the ultrasonic waves in the specimen (v ) and compressibility (βad) can be calculated using relations 

V=2. ƒS . L
βad=1/P.V2 

where P is density of specimen . 

Young's Modulus of specimen is calculated using relation 

r=4. ƒS. L2.P

INSTRUMENT: It consists of Piezoelectric Oscillator, power supply, quartz rod, holder, quartz rod with sample, connecting cables and R.F. meter.ACCESSORY: Any general purpose C.R.O.(not supplied with the instrument). 
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Mohammed Khan (Service Manager)
Instrumentation
11 A, Sudarar Street
Tatabad, Coimbatore - 641027, Tamil Nadu, India


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