Physics Instruments

Same as Cat. No. 2012 but wooden box is teak polish instead of cabinet polish ‘B’ Grade

Spray painted velvet lined box with brass forceps & Brass C.P. Weight ‘B’ Grade within the error limit of tolerance permitted by N.P.L. India, Cabinet Polish Box.

Cat. No.	Capacity
1	1 mg. to 100 gms.
2	1 mg. To 200 gms.

For analytical balances specify 5 mg. or 10 mg. size. Slotted Weights.

Any weight spare from 1 mg to 500 mg in 1 doz. Packing.

Cat. No.	Capacity
a)	1 mg. to 50 mg.
b)	100 mg. to 200 mg.
c)	500 mg.

These are good quality aluminum weights from1 mg to 500 mg with duplicate of 2.20 and 200 mg. A total of 12 weights in set. They are calibrated strictly within the error limit of tolerance permitted by N.P.L. India. Quality is Class ‘B’. These weights are supplied in a beautiful round plastic case.

Accuracy 2%, Built in amici prism and special light reflection system for colour elimination to obtain sharp critical boundary line and optimum contrast.
Hand Refractometer are available in three ranges

Cat. No.	Ranges
1)	0 to 32 %
2)	28 to 62 %
3)	58 to 92

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The body of the instrument is fixed, with a leaning of 600. Correct refractive index and sugar percentage can be read directly in the field. It consists of Abbe’s double prisms with the thermostat, compensator, telescope mirror, limb, graduated sector, reading magnifier and radical arm which carries a vernier. Abbe’s double prisms leaves a narrow space (about 0.1 mm) between the adjoining faces of the prisms. Compensator consists of the Amici prisms which serve for reading the line of Ach. Separation.
Technical Data :
Measuring : ND. 1.3000 to1. 7000 (reflecting index)
Measuring accuracy : ± 0.001 by direct reading, ± 0.0001 by estimation
Sugar % age in solution : 0 to 95 % ( ± 0.5 %)
Dispersion : ND. 0.0005 %
1) Extra Ordinary Superior Quality
2) Medium Quality

Halogen lamp 24 V - 250 W.

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The safety lens head is equipped with a high quality single element projection lens and a rotating knob for precise picture height adjustment. It avoids overheating of the lens as a special setting of mirror.
Projects bright and sharp image from hand written illustrations, graphs, pictures and diagrams on transparent materials.
Suitable for any projection distance from 1.3 m to 3 m, therefore well suited even for small rooms and conference rooms.
Superior quality projection lamp with longest life, 24 V, 250 W, halogen lamp, working through high quality trido transformer.
Cooling system to projector overheating self lubricating type motor, the stage temperature is maintained at 450 C approx.

Available In Two Models
Cat No 3166 A
A. With single 24 V - 250 W, halogen lamp through transformer. The replacement cost of the halogen lamp is low and it is easily available. It can be used for long duration due to less heat generation.
B. with twin lamp facility 24 V - 250 W, halogen lamp. Rest specifications are same as per model Fitted with dual bulb system. The fused bulb can be changed instantly by rotating the knob

Non-breakable ABS body.
Electronic transformer SMPS.
Light weight.
Quick lamp changer.
Working surface 250 x 250 mm.
Twin halogen lamp 24 V - 250 W with metal reflector.
Power chord 3.5 meter.
Single projection lens.
Extra fuse.
Foldable arm.
Indigenously manufactured: Yes, hence easy access to support and spares.
Power consumption : Dim 240 W and bright 280 W.
Protection safety : Interlock automatically cuts off power to the unit while replacing lamp.
Lumens 2200.

Specifications of this models is same as per above model 3166 A, supplied with twin bulb 24 V - 250 W. Only two additional features are provided in this model.
a) A4 size (285 x 285 mm).
b) External colour fringe control.

Sleek, folding, as per German, in superior twin bulb portable in caring case

Quiet operation, ease of use, Hitachi make and beautiful image quality lets your audience concentrate on your presentation.

If you seek a liable projector & a satisfied with standard technology then this model is the proper choice. The permanent autofocus control the focusing automatically after you have manually adjusted the sharpness of first picture with the help of the focusing wheel. Light weight with universal tray of 50 slides. Working of 230 V AC slide editor for random projection with halogen lamp 24 V/ 150 W and interchangeable coated 85 mm imported projection lens.
a) Slide projector with cord remote.
b) Slide projector with cordless remote.

It is a compact, versatile and multipurpose slide projestor with a visually appealing design and rigid construction and har coated anastigmatic lenses 1:2:8/85 mm. It has a rigidfibre body, latest design condenser system and an efficient cooling system. The instrument can be operated for longer duration with out any damage to the slides. Supplied complete with accessories for projection of 35 mm film strip, 5 x 5 cm kodachrome slides and microscope slides in a light weight carrying case.