Plug Type Resistance Boxes Laboratory Equipments Supplies

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