- Civil Lab Mechanical Lab Engineering Lab Equipments
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a. Resistance Boxes :- (plug type ) Coils are non inductive & are enclosed in a teak wood polished case with heavy bakelite top & rectangular brass blocks. The plugs with oval grips on perfect Constant & interchangeable. Resistance values engraved on the plate or on the top of brass block Constantan coil Precision quality, consisting of 1/2" thick brass block i. 0.1 to 1 ohms ii. 0.1 to 5 ohms iii. 0.1 to 10 ohms iv. 0.1 to 50 ohms v. 0.1 to 100 ohms vi. 0.1 to 500 ohms vii. 0.1 to 1000 ohms viii. 1 to 10 ohms ix. 1 to 50 ohms x. 1 to 100 ohms xi. 1 to 500 ohms xii. 1 to 1000 ohms xiii. 1 to 5000 ohms xiv. 1 to 10000 ohms b. Resistance Box :- Same as above but Educational Quality (routine quality) rectangular routine brass block of 10.5 mm. Thick & can be supplied in round block also. i. 0.1 to 1 ohms ii. 0.1 to 5 ohms iii. 0.1 to 100 ohms iv. 0.1 to 500 ohms v. 0.1 to 100 ohms vi. 0.1 to 500 ohms vii. 0.1 to 1000 ohms viii. 1 to 10 ohms ix. 1 to 50 ohms x. 1 to 100 ohms xi. 1 to 500 ohms xii. 1 to 1000 ohms xiii. 1 to 5000 ohms xiv. 1 to 10000 ohms c. Resistance Box :- Same as above but made of Manganin Coils, Consisting of 1/2” thick brass block i. 0.1 to 1 ohms ii. 0.1 to 5 ohms iii. 0.1 to 10 ohms iv. 0.1 to 50 ohms v. 0.1 to 100 ohms vi. 0.1 to 500 ohms vii. 0.1 to 1000 ohms viii. 1 to 10 ohms ix. 1 to 50 ohms x. 1 to 100 ohms xi. 1 to 500 ohms xii. 1 to 1000 ohms xiii. 1 to 5000 ohms xiv. 1 to 10000 ohms d. Resistance boxes (Standard Quality ) :- 1) Resistance Boxes Standard quality plug type very accurate fitted rectangular gun metal Heavy Block and spray painted Box, coils are connected in the double nut system Export Quality 2) Accuracy + 0.02% to + 0.05% 14 mm square gun metal blocks available in Constantan coil as well as in Manganin coil. 3) IN CONSTANTAN COIL:- i. 0.1 to 1 ohms ii. 0.1 to 5 ohms iii. 0.1 to 10 ohms iv. 0.1 to 50 ohms v. 0.1 to 100 ohms vi. 0.1 to 500 ohms vii. 0.1 to 1000 ohms viii. 1 to 10 ohms ix. 1 to 50 ohms x. 1 to 100 ohms xi. 1 to 500 ohms xii. 1 to 1000 ohms xiii. 1 to 5000 ohms xiv. 1 to 10000 ohms 4) IN MANGANIN COIL :- i. 0.1 to 1 ohms ii. 0.1 to 5 ohms iii. 0.1 to 10 ohms iv. 0.1 to 50 ohms v. 0.1 to 100 ohms vi. 0.1 to 500 ohms vii. 0.1 to 1000 ohms viii. 1 to 10 ohms ix. 1 to 50 ohms x. 1 to 100 ohms xi. 1 to 500 ohms xii. 1 to 1000 ohms xiii. 1 to 5000 ohms xiv. 1 to 10000 ohms....
Product Code: DIDACTICLABNLE-Export-108001
a) Platinum Resistance Thermometer : Platinum wire having resistance of 2.8 ohms wound on a mica frame. Two leads of Platinum wire and two compensatory leads terminals are provided. Enclosed in Pyrex Glass tube. OSAW Pattern. In valvet case. b) Platinum Resistance Thermometer : INCO Pattern in stainless steel tube Resistance 2.5 ohms to 2.8 ohms....
Product Code: DIDACTICLABNLE-Export-108002
a) Resistance Coils: In round bakelite case with terminals any value 0.1 to 100 ohms tested accurate. b) Resistance Coils : In transparent case like PARCO any value from 0.1 to 100 ohms. c) High Resistance coils : Known or unknown constant an coil in the bakelite case with two terminals. a. 1k, 2k, 5k b. 10k, 15k d) High Resistance Coil : (Known or unknown)Wire Wound coils provided with plug type short circuit key. Resistance a. 1k, 2k, 5k, b. 10k, 15k e) Resistance Coil : Bakelite Case Pye Type comprising non-inductively wound coil of insulated constant an wire, further insulated with parafin Wax and enclosed in moulded bakelite case fitted with terminals, any value from 0.1 to 1000 ohms. f) Precision Resistance Coils : With four terminals as per ‘INCO’ Specification. Resistance : 0.01 to 0.9 ohm 0.1 to 100 ohms a. In Aluminium case b. In Bakelite case g) Resistance Coil Standard (Manganin): The Unit embodies developed at the National Physical Laboratory. Those are manufactured for work requiring high degree of accuracy and research works. Values calibrated are guranteed within specified Limits. Coils wound on porcelain bobbins immersed in moisture free oil.; The whole system is in Brass nicked vessel accuracy +0.02% to +0.05% i. 0.01 ohms ii. 0.1 ohms iii. 1 ohms & 10 ohms iv. 100 ohms v. 1000 ohms....
Product Code: DIDACTICLABNLE-Export-108003
a) Dial Type Resistance Boxes :- Comprising dial of non – inductive wound coils of constant an wire connected in series. The panel is of bakelite, clearly engraved with the individual resistance values Mounted in well wrinkled colored metal box very new design, export quality. Accuracy within + 0.1% A) Single Dial B) Two Dial C) Three Dial D) Four Dial E) Five Dial b) Resistance Box Dial Pattern :- Specification is same as cat No 495 but coil are made of manganin wire connected in series ‘A’ grade Accuracy + 0.05% A) Single Dial B) Two Dial C) Three Dial D) Four Dial E) Five Dial Please Note : Above Mention Resistance Box Dial Type are supplied with 0.1, 1, 10, 100, 1000 ohms dials. Please specify range while placing order that it is tenths, units, tens or hundreds etc. c) Resistance Box Dial Type Constant a Coil :- 1) However dial of 0.1 ohms in Resistance box described under as above are supplied at an extra cost. 2) Dial of 10000 ohms in Resistance box described under Cat No. 495 are supplied at an extra cost. d) Resistance Box Dial Type : Manganin Coil: 1) However Dial of 0.01 ohms in Resistance box described under as above are supplied at an extra cost. 2) Dial of 10000 ohms in Resistance Box described under Cat No. 496 are supplied at an extra cost. e) Dial Type Resistance Box : Single Dial very cheap quality having carbon resistance. 1) Single Dial (units) 2) Single Dial (tens) 3) Single Dial (Hundreds) f) Dial Type Resistance Box : Two Dials very cheap quality having carbon resistance. 1) Units & Tens 2) Units & hundreds....
Product Code: DIDACTICLABNLE-Export-108004
This decade resistance substitution box provides 4 decade ranges from 0 to 11110W with a resolution of 1W. Each decade is selected by a rotary switch. Tapping points are provided across each range to allow the unit to be used as an accurate potential divider. All resistance values are + 2% with a rating of 0.25 W maximum per range.....
Product Code: DIDACTICLABNLE-Export-108005
Power Rheostats are made with a variety of resistance & current carrying capacity so as to satisfy every need. They are wound with heavily oxidized eureka resistance wire upon a porcelain tube dia 44 mm aprox. The tube is carrying upon Bakelite rider and the heavy duty sliding contact is of the phosphor bronze with brass rod. 4 mm socket terminals are fitted, allowing for rheostat or potentiometer connection. Total resistance and maximum current capacity is marked on the slider. Total Permanent current loading should not exceed 75% of the marked values. The actual resistance of Wire Wound Rheostats shall be +20% -5% of the rated resistance as per our resistance chart. specification no. we are recognized as one of the major Electronic Rheostats Manufacturers and Exporters from India.....
Product Code: DIDACTICLABNLE-Export-108006
Resistance Box (Plug Type) is of a superior quality Heavy Brass Metal Blocks Size 7/16" are bound to Bakelite Plate by means of nuts and screws securing rigid fixation and eliminating any chance of contact error creeping due to loosening of plugs and lugs which are cut to fine taper and are interchangeable. Plug heads are machine moulded, of heavy insulated Bakelite in beautiful shapes. The boxes are made of Teak-wood and nicely polished. We are renowned as one of the staggering High Power Resistance Box Suppliers in India. Great care is taken in preparing the wire wound resistance. Selected double Covered Eureka Wire is wound in Bakelite spools. Sufficient ageing and Heat Treatment is processed through to avoid any moisture effects. Solder Joints are sealed after calibration. The Decade Resistance Box is calibrated on imported Testing Bridge Accuracy ± 0.1%.....
Product Code: DIDACTICLABNLE-Export-108007
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