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Physics Instruments

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Galvanometer Ballistic 'Abron'

AP-730a

* The moving coil system is housed in aluminium case with an easily removable front sliding cover.A rectangular coil with a large
moment of Inertia and a large cross section is suspended with the help of a fine phosphor bronze suspension strip and moves in a
strong magnetic field generated by a permanent magnet.The coil carries a 10 mm circular concave mirror of 100 cm focal length
which renders the instrument to be used in conjunction with a Lamp and Scale Arrangement.Having circular base with three levelling
screws.A zero adjuster is provided to set the spot of light on scale.
* A clamp the coil during transit. Rigid in construction. Having large periodic time.
* These galvanometers can be used both as PERIODIC as well as APERIODIC instruments.
* An arrangement is provided in the instrument to make it APERIODIC by introducing a suitable resistance in parallel with the moving
coil system.
Galvanometer Time period Sensitivity at 1 (Seconds) micro Coulomb (mm)
100 8 - 10 Sec. 300

Price : Rs 0 eachSend Enquiry
 
   
   
 

Galvanometer Ballistic 100/500 Ohms Special

AP-730-B

Easy to use stable model big type Special quality
Galvanometer Time period Sensitivity at 1 (Seconds) micro Coulomb (mm)
500 8 - 10 Sec. 600

Price : Rs 0 eachSend Enquiry
 
   
   
 

Galvanometer D'Arsonal 'Abron'

AP-731

Mirror and Scale form The coil resistance is 200ohms
and it is suspended with phosphorous bronze strip.
The coil can be raised, lowered or set zero by adjusting screw
and can be clamped when not in use.
Sensitivity 0.2 - 0.3μA per division.

Price : Rs 0 eachSend Enquiry
 
   
   
 

Galvanometer Scale 65 mm Round Class-2 Abron

AP-817


Price : Rs 0 eachSend Enquiry
 
   
   
 

Galvanometer Spot Reflecting

AP-734b

600 ohms 7000 ohms 0.04 uA per mm

Price : Rs 0 eachSend Enquiry
 
   
   
 

Galvanometer Spot Reflecting 'Abron'

AP-734a

* To find extensive use as a DC null detector in wheat stone bridges and
potentiometers.It is mains operated instrument or it can operate on 6 volt
battery also. The light source 6 volt and 0.3 Amp. bulb.
* Construction : Built-in lamp and scale arrangement and housed in bakelite
case.Scale is 150 mm long and is marked for both Centre and End zero use.
To set light at any point on the scale.
* Sensitivity Control : The sensitivity controlled by a 2-Pole, 6-way switch.
The switch positions are D, 1, 1/10,1/100, 1/1000 and s/c.
* Direct Position (D Position) : The switch correspond to the highest sensitivity
with no internal damping in this position, movement is connected straight to the
terminals without any shunts.
* X 1 (Position) : In this position, one gets maximum sensitivity with near critical
damping because the galvanometer movement is shunted by an internal damping
Resistor.
* X 1/10, X 1/100, X 1/1000 Positions : The current sensitivity is reduced by an
AYRTONMATHER shunt by x10, x 100 and x 1000 with respect to x 1 range.
* S/c Position : The input circuit is broken and the movement is shorted for
its protection in transit.
Galvanometer Damping Sensitivity
100 ohms 1000 ohms 0.04 uA per mm

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Galvanometer Stewart and Gee

AP-733-C

Type metal + Compass
* Consists of a circular frame made from non-magnetic silver aluminium alloy
(copper wire wound on the frame).
* The ends of the wires are connected to the terminals,which are fitted on the
superior quality wooden board.
* A rectangular frame (made from aluminium rods, anodized and graduated upto
50 cm on both sides is supported on wooden board.
* Permanent magnet compass box moves in a platform which moves on the rectangular
frame along the axis of the coil.
* Supplied with compass box

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Galvanometer Tangent 'Abron' Aluminium

AP-733a

It consists of a bakelite moulded ring 170 mm dia mounted with three sets of winding either 2, 50 & 500
turns or 2, 5 & 50 turns (depending upon the requirement) respectively with carefully insulated, connected
to a heavy brass terminals. The number of turns clearly marked between the terminals.The high sensitive compass
box (having permanent magnet) is mounted on a substantial aluminium pillar and is free to rotate upon it. The compass
is 5" in dia and has a scale graduated to single degrees. Overall height is approximately 9". With compass Aluminium

Price : Rs 0 eachSend Enquiry
 
   
   
 

Galvanometer Tangent 'Abron' Brass

AP-733b

It consists of a bakelite moulded ring 170 mm dia mounted with three sets of winding either 2, 50 & 500
turns or 2, 5 & 50 turns (depending upon the requirement) respectively with carefully insulated, connected
to a heavy brass terminals. The number of turns clearly marked between the terminals.The high sensitive compass
box (having permanent magnet) is mounted on a substantial aluminium pillar and is free to rotate upon it. The compass
is 5" in dia and has a scale graduated to single degrees. Overall height is approximately 9". college quality brass Having brass pillars and brass levelling screws.

Price : Rs 0 eachSend Enquiry
 
   
   
 

Glass Slab 'Abron' 100x60x25mm

AP-735d

Rectangular, all sides polished,
made from Glass

Price : Rs 0 eachSend Enquiry
 
   
   
 

Glass Slab 'Abron' 75x50x12mm

AP-735a

Rectangular, all sides polished,
made from slightly greenish glass

Price : Rs 0 eachSend Enquiry
 
   
   
 

Glass Slab 'Abron' 75x50x12mm Special

AP-735b

Rectangular, all sides polished,
made from white Glass

Price : Rs 0 eachSend Enquiry
 
   
   
 

Glass Slab 'Abron' 75x50x18mm

AP-735c

Rectangular, all sides polished,
made from Slightly Greenish Glass

Price : Rs 0 eachSend Enquiry
 
   
   
 

Glass Slab Bubble Free Sheet Glass Extra Superior Abron

AP-775-01

These Glass Slab's are having parallel polished surfaces from all sides. These are used to measurement for angle of refraction, when light pass through two different environment's and manufactured from bubble less sheet glass.

AP-775-01- 75 x 50 x 12 mm

AP-775-02-75 x 50 x 18 mm

AP-775-03-75 x 50 x 18 mm

AP-775-04-100 x 50 x 18 mm

AP-775-05-100 x 60 x 18 mm

AP-775-06-115 x 65 x 18 mm

AP-775-07-115 x 65 x 18 mm


Price : Rs 0 eachSend Enquiry
 
   
   
 

Ground Glass Screen

AP-736-A

3" in frame with a central aperture 63 mm dia.

Price : Rs 0 eachSend Enquiry
 
   
   
 

Ground Glass Screen for Laser

AP-736-G

150x150mm
Or 100x100mm

Price : Rs 0 eachSend Enquiry
 
   
   
 

Ground Glass Screen Wooden

AP-736-B

In wooden frame
50x100mm
With base for standing

Price : Rs 0 eachSend Enquiry
 
   
   
 

Ground Metal Screen Sheet

AP-736-P

100x100mm With base for standing

Price : Rs 0 eachSend Enquiry
 
   
   
 

Ground Paper Screen

AP-736-D

In wooden frame
150x150mm

Price : Rs 0 eachSend Enquiry
 
   
   
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