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Kalgidhar Scientific Works
Ambala, Haryana, India
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Self And Mutual Inductance Coils

ESCRIPTION :


Has primary coil of 3000 turns and secondary coil of 1000, 2000 and 3000 turns.

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Horse Shoe Magnet

DESCRIPTION :


Highly effective when high magnetic strength is required. These magnets will hold their force for a long time. Distance between the poles is 20mm.

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Anchor Ring

DESCRIPTION :


This consists of a specimen of iron in a ring form would with two uniformly spaced coils of wires. Soft iron ring is of dia. 75mm and cross sectional dia. is 9mm. The primary winding consists of 200 turns of insulated copper wire of proper gauge with binding post terminals and secondary winding consists of about 25 turns of fine wire.

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Induction Coils

  • 1028 (a) 5mm
  • 1028 (b) 10mm
  • 1028 (c) 15mm
  • 1028 (d) 20mm
  • 1028 (e) 25mm
  • 1028 (f) 50mm

DESCRIPTION :


This coil, specially designed for school use is suitable for vacuum tubes and audiometers etc. It is wound with insulated copper wire, has tungsten contacts and on/off reversing switch as communicator. Voltage tested condensers are fitted inside the teak polish wooden box. The top of the wooden box is provided with sunmica and relevant data engraved on the sunmica. Terminals are provided for H.T. output and L.T. input of the coil. Up to 50 mm spark is obtained with 4 to 6 volt D.C. input .

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Triangular Optical Bench


We are considered as well-acclaimed Manufacturer, Exporter and Supplier of Triangular Optical Bench in Ambala Cantt. (Haryana). Made with low cost Aluminium alloy, our Triangular Optical Bench is light in weight. Triangular Optical Bench, provided by us, is based on triangular rails. This makes our Triangular Optical Bench suitable for laboratory applications and educational purposes. Our Triangular Optical Bench comes with calibrated scales in millimeters that is joined to the side of triangular rail and has simple positioning.

Triangular Profile
  • Ideal for teaching labs
  • Low cost aluminium design
  • Light weight aluminium
  • Free standing optical rail
  • Positioning scale in millimeters
  • Length upto 1/2, 1 & 1 meters
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Hall Effect Experimental Setup


Hall Effect Experimental Setup, provide by us, is the best for finding number of carriers present or distinguishing between the carrier that is not possible through resistivity measurements of semiconductors. Hall Effect Experimental Setup that we provide has advanced tools for determining destiny of carrier and their mobility in conjunction with resistivity measurement. Clients can get Hall Effect Experimental Setup from us at competitive rates.

Specifications :
  • Hall Effect Set-up Model DHE -21 along with Ge Crystal either p or n type as per Cat. No. 1951.
  • Electromagnet, EMU-50 as per Cat. No. 1944
  • Constant Current Digital Power Supply, DPS-50 as per Cat. No. 1945
  • Digital Gaussmeter, DGM-102 as per Cat. No. 1941
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Advanced Spectrometer


We are considered as credible Manufacturer, Exporter and Supplier of Advanced Spectrometer in Ambala Cantt. (Haryana). Advanced Spectrometer that we offer has sturdy construction and has all the features that easily allow precise measurements of prism angle or spectral lines. Our Advanced Spectrometer is available with 5 or 6 S.S. Scale.

Specialties
  • High Quality
  • Large aperture optics
  • Sharp spectral images
  • Easy precision machining
  • Precise rotation
  • Accurate measurement

Specifications
  • Resolution to 1 minute of an Arc.
  • The 125mm or 150mm diameter
  • Precision engraved degree plate is complemented by 2 precision engraved verniers, one on each side of instrument for convenient reading.

Details
  • Collimator
    • Focal Length : 178 mm
    • Aperture : 25 mm (adjustable by pinion & rack), adjustable rectangular slit.
  • Telescope
    • Focal Length : 178 mm,
    • Aperture : 25 mm (adjustable by pinion & rack), fitted with 10x Ramsden eyepiece with cross line graticule.
  • Eyepiece : Ramsden x10 fitted with cross wire.
  • Fixation Stand :
    • Located on the plate, it enables you to precisely position the prism & diffraction grating. Supplied in wooden case.
    • Reading minute : 1min. or 30 sec.
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PN Junction Diode


Our PN Junction Diode is offered with power supply, two meters, mini heating oven with thermometer (for measuring temperature) leads, and a diode. PN Junction Diode, provided by us, is made in accordance with high standards of the industry. PN Junction Diode that we offer gives accurate results even for complex processes. We can cater to the bulk requirements of PN Junction Diode in diverse industrial units.
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Four Probe Setup


Four Probe Setup, we offer, is made under the supervision of expert professionals, and hence gives precise results even for the most complicated applications. Our Four Probe Setup is made using hi-tech machines and tools so that no compromise over quality is done at any stage. Thus, we are regarded as trusted Manufacturer, Exporter and Supplier of Four Probe Setup in Ambala Cantt.(Haryana).

Specifications (Constant Current Generator)

Open Circuit Voltage18V
Current Range 0-20mA
Resolution 10µA
Accuracy ±0.25% of the reading ± digit
Load Regulation 0.03% for no load to full load.
Line Regulation0.05% for ±10% of mains changes.

Specifications(Multi Range Digital Voltmeter)

Range XI (0-200mV) and X10 (0-2V)
Resolution 100µV at XI Range
Accuracy± 0.1% of reading ± 1 digit
Impedance 1 Mohm
Display3½ digit, 7 segment LED (12.5mm) height with auto polarity and decimal indication.
Power Supply220V±10% 50 Hz
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Standard Cell

DESCRIPTION :


Design for use Standard , Stable, Voltage Reference Source in applications such as standardization of Potentiometers, Instruments, calibrations, temperature & Voltage measurements & pH testing etc. Housed in a small steel cabinet giving e.m.f of 1.0816 volts 0 accurate between 10 C to 40 C temperature.

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Sodium Light Complete Unit








DESCRIPTION :


Generally this light source is used for above Michelson Interferometer. Supplied with sodium vapour lamp transformer 35 W, sodium vapour lamp 35W & heavy metal box for sodium vapour lamp with electrical fitting.


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Resistance Box Plug








DESCRIPTION :


Precision quality consisting of 12mm (approx. 1/2) thick rectangular brass block, non inductive, double covered Eureka Constantan wire is wound on bakelite spool, enclosed in a teak wood box. Accuracy 0.1%


Cat. No Range No. of Coils No. of Plugs
850 a) 0.1 - 1Ω 5 6
850 b) 0.1 - 5Ω 8 9
850 c) 0.1 - 10Ω 9 10
850 d) 0.1 - 50Ω 12 13
850 e) 0.1 - 100Ω 13 14
850 f) 0.1 - 500Ω 16 17
850 g) 0.1 - 1000Ω 17 18
850 h) 1- 10Ω 5 6
850 i) 1 - 50Ω 8 9
850 j) 1 - 100Ω 9 10
850 k) 1 - 500Ω 12 13
850 l) 1 - 1000Ω 13 14
850 m) 1 - 5000Ω 16 17
850 n) 1 - 10000Ω 17 18
 
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Diode Laser








DESCRIPTION :


A compact, fully solid state instrument produces an intense beam of light at a wavelength 635-670nm for red colour. This semiconductor diode laser is mounted in a simple mount. Supplied completely with power supply. Output power 3 - 5 mW


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Optical Bench








DESCRIPTION :


High quality precision bench suitable for more advanced work. This all Aluminium extruded from a hard aluminium alloy. These aluminium triangular optical bench are ideal for educational & general laboratory application.


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Helium Neon Laser System


We offer premium Helium Neon Laser System that is the best for diffraction, interference and holography experiments in comprehensive assemblies. Helium Neon Laser System, offered by us, is completely safe to use under different conditions. In our Helium Neon Laser System, SMPS power supply as well as Laser tubes are framed together in Aluminium box that is coated with thick powder. Through the hole in Helium Neon Laser System, the laser beam comes out.

Specifications

Operating Wavelength632.8nm (RED)
Beam Diameter0.8mm
Beam Divergence= 1 mrad
Polarisation Random (unpolarised)
ModeTEMoo
Output Power Stability±2.5%
Power Input220V AC ± 10% , 50Hz
Min. Operating Life time15,000Hrs.
Shelf Life10 years

Specifications

Operating Wavelength632.8nm (RED)
Beam Diameter0.8mm
Beam Divergence= 1 mrad
Polarisation Random (unpolarised)
ModeTEMoo
Output Power Stability±2.5%
Power Input220V AC ± 10% , 50Hz
Min. Operating Life time15,000Hrs.
Shelf Life10 years

Details

Cat. No.Output powerColour of lightPolarisation
1650 (a)1mWRedRandom
1650 (b)2mWRedRandom
1650 (c)5mWRedRandom
1650 (d)10mWRedRandom

Details

Cat. No.Output powerColour of lightPolarisation
1650 (a)1mWRedRandom
1650 (b)2mWRedRandom
1650 (c)5mWRedRandom
1650 (d)10mWRedRandom
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Small Magnetic Compass

DESCRIPTION :


Very inexpensive magnetic compass specially suited for tracing the magnetic fields of bar magnet. Each compass has a polished aluminum case and a mounted glass top.

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Alnico Bar Magnet








DESCRIPTION :


An excellent pair of Alnico Bar Magnets that are exceedingly strong for their size and will resist demagnetizing conditions. North and South poles are permanently inscribed.


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Spare Lead







































Product Name :



Spare Lead



Catalog No :



966


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DESCRIPTION :


To connect pencil jockey with potentiometer and Wheatstone Bridge, a heavy wire lead of length 1.5 meter with U-shape brass clips connected at both the ends of the wire is provided.



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Lamp Scale








DESCRIPTION :


Suitable for use with Reflecting Galvanometer with rack pinion arrangement workable on220 volts A.c./D.C complete 100pF with scale and its attachment plug and cord.


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Fixed Voltage Stabilized Power

DESCRIPTION :


2V, 200mA, Fixed Voltage stabilized power supply. Excellent quality for all types of Meter Bridge experiments. Supplied with leads.

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Portable Wheatstone Bridge

DESCRIPTION :


This Bridge is fully portable with a built in sensitive Galvanometer and a dry battery.

Series Arm:There are 4 decades of 101, 1010, 10100 and 101000 ohms

Range Multipliers:A single rotary switch furnishes 7 range multipliers of X1000, X100, X10, X1, X0.1, X0.01 and X0.001.

Range of measurement:0.001 ohm & 11.1 mega ohm.

Battery:A built-in dry battery of 4.5 volts. There is a provision for using external battery for measuring high resistances.

Galvanometer:Galvanometer of Model MO 65 with sensitivity 10 microamperes/ div. is used.

Push Buttons:Two push buttons for battery and galvanometer are provided.

Accuracy:Both series and ratio coils are adjusted to an accuracy of better than 0.05%. Overall Accuracy of measurements is better than 0.1%.


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Vibration Magnetometer

DESCRIPTION :


Consisting of a superior quality polish wooden box slotted, and carries a glass tube fitted with simple torsion head to support, by means of a silk fibre, a strip holding magnet etc. Complete with one bar magnet and one brass bar. All metal parts are of magnet and one brass bar. All metal parts are manufactured from superior quality brass alloy. Size : 4'

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Electromagnet

DESCRIPTION :


A coil is wound on each arm of a U shape bar of soft iron. The poles are 10mm in diameter and ends are ground flat to make good magnetic contact with iron armature. It will operate on one or more dry cells.

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Michelson Interferometer

  • Surface flatness          : λ/10 (both faces)
  • Parallelism                  : 5 arc sec.
  • Mirrors                        : 2 nos.
  • Focal Length              : 25mm thickness 10mm
  • Front surface Coated : Coating material : AI with SiO2
  • L.C. of Instrument       : 10¯4mm
  •    

DESCRIPTION :


It is divided into two parts.
(1) Mechanical (2) Optical Mechanical part consists of following items
a)Bed:Bed is optically ground, Length 250mm
b)Lead Screw:Lead screw is optically ground with its nut, length 200 mm Pitch 1 mm
c)Optical Mirror Mount:Kinematic mirror mounts are to hold the mirror which be aligned in to orthogonal direction by means of screws provided at the rare of the mount.
Optical Parts consist of the following items:
a) Beam Splitter
b) Compensating plate
Size 45mm 32mm 8mm 50mm 35mm 8mm
Beam splitter and compensating plates are covered from the same optically worked glass plate

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Temperature Resistance Coil

DESCRIPTION :


For determining temperature co-efficient resistance of copper, comprising a coil of fine enameled copper wire of about 7-10 ohms resistance, wound non-conductively on an insulating frame and connected to thick copper wire fitted with terminals. The coil is enclosed in a glass tube of borosilicate glass to contain paraffin oil. The rubber stopper is drilled for a thermometer. Tube size approx. 100mm x25mm dia

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Fabry Perot Interferometer








DESCRIPTION :


It is specially useful for accurate measurements, comparison of wavelengths and examination of hyperfine structure of spectral lines. It is also used for measuring wavelength changes by application of magnetic field.
It consist of a partially coated mirror mounted in an alumminium housing. This module is placed in front of the moving mirror to set up the Fabry Perot Interferometer. Two adjustable screws are provided for making the two etalons parallel.
In built Telescope has a magnification of 3x and is fitted with a Ramsden eyepiece & a cross line graticule.



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Magnetic Needles

DESCRIPTION :


Specially made highly magnetized with accurate brass center with low friction

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Spectral Tube Power Supply


Based in Ambala Cantt. (Haryana), we deal in manufacturing, exporting and supplying high quality Spectral Tube Power Supply to the customers. Our Spectral Tube Power Supply is easy to use with excellent safety features for beginning labs. Spectral Tube Power Supply needs mounting of 8 different spectral tubes into power supply, and then to be turned on. 26 cm long tubes in our Spectral Tube Power Supply are capillary-thin over the middle 10 cm. This provides sharp and bright spectra to them through our Spectral Tube Power Supply.

Features
  • Student Safety : The tubes mount from the front of the supply and snap into moulded sockets that fully enclose the conductive ends. The allmetal case is electrically grounded.
  • Spectral Tube Safety : A current limiting transformer protects the tubes. A protective shield also helps safeguard the tubes, while blocking unwanted ambient light for clear viewing.
  • Power Requirements : 220 VAC, 50 Hz.
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Laboratory Glassware

The entire range of BESTO Glassware or our Laboratory Glassware covered is fabricated in India. Our Laboratory Glassware is made from original Borosilicate Glass tubing under our strict supervision and quality control. This assures high quality standard of Laboratory Glassware for total satisfaction of the scientific glassware users all around the globe. We provide Laboratory Glassware to the customers at affordable rates.
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Contact Us

  • Amandeep Singh & Mr. Amarjeet Singh (Kalgidhar Scientific Works)
  • Cross Road No-3, NEAR: B.D. SR. SEC. SCHOOL, Punjabi Mohalla,, Ambala Cantt, Haryana - 133001, India
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  • Call 08068051324 Ext. 793