Sound Wave & Oscillation

Under the strict guidance of seasoned professionals, we are manufacturing and trading Sonometer Three Wire Pattern Geared.A hollow wooden sounding box, about 1160×120×115mm (length × width × height) provided with 0-100cm scale at its top, with two wires stretched over fixed bridges, one at each end of the box. One wire passes over a horizontally mounted pulley and has a spring balance for directly reading the tension applied. The second wire is fixed at one end and attached to wrest pin for tension control and provides complete length of vibration. The third wire passes over a vertically pulley and for suspending masses through it for tensioning the wire. The wires supplied are of steel and are carefully selected to possess the exact determined density and radius uniformly throughout the length to avoid the need of repeated measurements. The wire tension mechanism is based on robust and mechanically sound thumb screw & gear system, which is accurate, more reliable and makes changing wires quick and easy. Complete with three moveable bridges, wrest-pin key and a set of four wires, length 1m, diameters 0.70, 0.40 and 0.40mm. Supplied without masses. The offered product is provided with 0-100cm scale at its top, with two wires stretched over fixed bridges. We deliver this product in well-defined time frame along with numerous specifications. Offered product is a hollow wooden sounding box, provided with 0-100cm scale at its top.

Features:

• Reliable
• Quick changing wires
• Easy to operate

Specifications:

• Sizes: 1160 × 120 × 115 mm (length × width × height)
• Diameters: 0.70, 0.40 and 0.40 mm

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• Item Code: PHLAA080

We are a noteworthy organization in the domain, occupied in providing superior quality Tuning Fork Set & 8 Steel.Best quality, plain shanks, with frequency clearly marked. Set consisting one each of diatonic scale frequencies (Hz) C1-(256), D- (288), E-(320), F-(341.3), G-(384), A-(426.6), B-(480), C2-(512). Complete set of 8 tuning forks, supplied in a case. In Moulded Styrofoam case. These products are a complete set of eight tuning forks, supplied in a case. Our offered products are completely checked by quality experts under strict parameters meeting all the standards. Customers can avail these products from us at nominal rates.

Features:

• Compact design
• Easy to demonstrate
• Plain shanks

Specifications:

• Frequencies: (Hz) C1-(256), D- (288), E-(320), F-(341.3), G-(384), A-(426.6), B-(480), C2-(512)

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• Item Code: PHLAA110_1

We are the prominent manufacturer & trader of premium quality Signal Generator. Capable to generate the (sine/triangular) wave signalswith in range (100 Hz to 3 kHz) at 3W output maximum. An internal speaker fitted inside the plastic moulded case and we can also use an external speaker via. 4 mm blue sockets. Two colour-coded sockets are used for CRO connections marked as output signal. Operating voltage for the instrument is 9V DC and applied by a battery which can easily remove out from the battery compartment. The frequency and amplitude can be adjusted at any desired range by just rotating the knobs fitted on the base.The offered signal generators are capable to generate the wave signals within range at 3W output maximum. These provided products are made using the latest techniques and excellent quality of material. Our signal generators come with different specifications to choose from.

Features:

• Frequency and amplitude can be adjusted
• Simple in operation
• Accurate result

Specifications:

• Ranges: (100 Hz to 3 kHz)

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• Item Code: PHLAA120

Owing to our vast experience in this domain we are able to offer supreme quality Melde's Apparatus. For showing the effects of vibrations in a stretched cord and investigate the relationship between frequency, tension and density. In addition, the provision of electrical contacts, opened and closed by the vibrating armature, allow the apparatus to be used as high-speed changeover switch in. Comprises a thin steel rod armature mounted in a clamp formed by a pair of 4mm socket terminals, so that its free length may be adjusted as desired. An AC energizing coil surrounds the armature and a permanent magnet provides the necessary magnetic polarization. The free end of the armature equipped with a small boss
and clamping screw for attachment of the cord and also serves as the moving contact when the apparatus is operating as a changeover switch. The complete apparatus is carried upon a box type base.These offered apparatus are manufactured using supreme quality material & modern techniques in adherence with the set norms of industry. Our provided apparatus are used for showing the effects of vibrations in a stretched cord and investigate the relationship between tension, frequency and density. We offer this apparatus at competitive price to our esteemed customers.

Features:

• Smooth working
• Comprises a thin steel rod armature
• High accuracy

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• Item Code: PHLAA170

Two crystal mikes one is used to start the timing and another one is used to stop the timing when a sound frequency is generated by a hammer and a metallic plate. A 3*1/2 digit display with microsecond and millisecond provision to measure the time. Operating voltage for the instrument is 9V DC. Whole assembly is fitted inside a high grade metallic sheet with ABS side cover. Two crystal mikes with a set of hammer and plate is supplied with the instrument.

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• Item Code: PHLAA200

A specially designed versatile apparatus for the investigation of the wave properties, such as wave propagation, reflection, refraction, diffraction and interference. Permits demonstration with an overhead projector or use as a free standing bench model, allowing investigations to be carried out directly. Comprises a rectangular plastic tank with clear bottom and sloped sides incorporating beach effect to eliminate unwanted reflections. The tank has four detachable legs mounted at its underside at the corners with a hole in the clear tray for water drainage. One end of the tank has clamps for supporting lamp holder with a pair of clamps on each side for mounting rippler support rods. Rippler assembly comprises of a rectangular plastic rod with series of holes suitable for mounting spherical dippers and a low voltage DC motor having eccentric cam attached to its shaft to produce oscillatory motion. Supplied complete with following accessories.

IlluminantAssembly:

• Set of 4 barriers – a pair of bigger L-shaped (75×25mm) and a pair of smaller L-shaped barrier (25×25mm)
• 1 Curved Barrier, 2.5cm high, with uniform radius of curvature
• 1 Hand Stroboscope
• 1 Convex Lens
• 1 Concave Lens
• 1 Rectangular Block
• 2 Spherical Dippers
• Spare Elastic Cords for suspending rippler assembly

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Additional Information:

• Item Code: PHLAA210